Answer:
It acts as a force upon it like in newtons first law of motion an object in motion will stay in motion until a force acts upon it So friction bascicallly slows it down or stops it completly
Explanation:
As mentioned, every step in the Fischer esterification mechanism is an equilibrium. As such, the reaction conditions are chosen in such a way to drive reaction to completion. a. For the reaction you have chosen, calculate the number of moles of carboxylic acid and the number of moles of alcohol given using the starting volumes given in the experiment
Answer:
Hello your question lacks some required information attached below is the missing information
answer :
number of moles
Acetic acid = 0.061199 mole
Alcohol = 0.027320 mole
Explanation:
The starting volumes : 2.5mL of either alcohol and 3.5mL of either acid
for the purpose of this solution I will take 2.5 mL of 1-butanol and 3.5 mL of acetic acid
mass of 1-Butanol = 2.5 mL * 0.81 g/mol = 2.025 g
∴ number of moles of 1-butanol = 2.025g / 74.12 g/mol = 0.027320 mole
mass of acetic acid = 3.5 mL * 1.05 g/mol = 3.675 g
∴ number of moles of Acetic acid = 3.675 g/ 60.05 g/mol = 0.061199 mole
Reaction equation
CH3-CH2-CH2-CH2-OH + CH3-COOH + H+ (cat) ↔ CH3-CH2-CH2-CH2-O-CO-CH3 + H2O
Can somebody please help me solve this, I really need some help.
Ethyl propanoate is an organic compound that is a member of a family of organic compounds known as esters.
Answer of both the question is :a. The Lewis electron dot diagram for ethyl propanoate is as follows:
H H H
| | |
C-C-C-O-C
| | |
H CH3-CH2-
b. Each oxygen atom in ethyl propanoate has a hybridization of sp3. The lone pairs of electrons on each oxygen atom occupy two of the hybridized orbitals, while the other two hybridized orbitals form sigma bonds with the carbon and hydrogen atoms.
Yo know more about Esters , visit :
https://brainly.com/question/10840252
#SPJ1
In the Fischer esterification reaction, a carboxylic acid reacts with an excess of alcohol in acidic conditions to form an ester. During the reaction the sp2sp2 hybridized carbonyl carbon of the acid forms an sp3sp3 hybridized intermediate before returning to sp2sp2 hybridization in the product. Draw the structure of the neutral sp3sp3 hybridized intermediate and the ester product in the reaction between pentanoic acid and n‑propanol.
Answer:
See explanation and image attached
Explanation:
Esterification is a reaction of an alkanol and an alkanoic acid to yield an ester and water as products. It is analogous to inorganic neutralization reaction.
The process may be acid catalyzed. As mentioned in the question, the process of ester formation between pentanoic acid and n‑propanol first involves the carbonyl in going through an sp3 hybridized intermediate before returning to sp2 hybridized state in the product.
The image of the neutral form of this intermediate as well as the final structure of the ester are both shown in the image attached to this answer.
6. The pOH of a solution of NaOH is 11.30. What is the [H+
] for this solution?
Answer:
The [H⁺] for this soluton is 2*10⁻³ M
Explanation:
pH, short for Hydrogen Potential and pOH, or OH potential, are parameters used to measure the degree of acidity or alkalinity of substances.
The values that compose them vary from 0 to 14 and the pH value can be directly related to that of pOH by means of:
pH + pOH= 14
In this case, pOH=11.30, so
pH + 11.30= 14
Solving:
pH= 14 - 11.30
pH= 2.7
Mathematically the pH is the negative logarithm of the molar concentration of the hydrogen or proton ions (H⁺) or hydronium ions (H₃O):
´pH= - log [H⁺] = -log [H₃O]
Being pH=2.7:
2.7= - log [H⁺]
[H⁺]= 10⁻² ⁷
[H⁺]=1.995*10⁻³ M≅ 2*10⁻³ M
The [H⁺] for this soluton is 2*10⁻³ M
The pH of the NaOH solution has been 2.7. The hydrogen ion concentration of the NaOH solution has been 1.9 \(\rm \bold{\times\;10^-^3}\) M.
The pH of the solution has been used for the determination of the Hydrogen ion concentration in the solution. The higher the hydrogen ion concentration, the pH will tend to be more towards the lower side.
The pOH has been the hydroxide ion concentration in the solution, The higher the hydroxide ion concentration, the more pH will move towards the higher range.
The sum of pH and pOH has been the constant quantity.
pH + pOH = 14
The given NaOH solution has pOH 11.30. The pH of the solution will be:
pH + 11.30 = 14
pH = 14 - 11.30
pH = 2.7.
The pH of the NaOH solution has been 2.7.
pH can be defined as the negative log of the hydrogen ion concentration.
pH = -log [\(\rm H^+\)]
2.7 = log [\(\rm H^+\)]
[\(\rm H^+\)] = \(\rm 10^-^2^.^7\)
[\(\rm H^+\)] = 1.9 \(\rm \bold{\times\;10^-^3}\) M
The hydrogen ion concentration of the NaOH solution has been 1.9 \(\rm \bold{\times\;10^-^3}\) M.
For more information about the pH, refer to the link:
https://brainly.com/question/22299206
In the barium chloride laboratory activity, what change occurred in the physical appearance of the barium chloride during the heating process?
A. Barium chloride changed from sparkly white to dull white.
B. Barium chloride changed from dull white to sparkly white.
C. Barium chloride changed from sparkly yellow to dull yellow.
D. Barium chloride changed from dull yellow to sparkly yellow.
Barium chloride turned from sparkly white into dull white during the heating process.
Barium chloride: What is it?An inorganic substance with the formula BaCl2 is barium chloride. It is among the most popular barium salts that dissolve in water. Like the majority of some of the other water-soluble barium salts, is also white, extremely hazardous, and gives flames a yellow-green tint.
What results from consuming barium chloride?Among the most common barium salts is barium chloride. Bacl2 is hygroscopic and soluble in water. Deep hypokalemia, generalized muscle weakness, and eventually paralysis of the limbs and breathing muscles can occur within 1 to 4 hours of consumption.
To know more about barium chloride visit :
https://brainly.com/question/2572464
#SPJ1
Write four properties of a solution
\({ \bold{Here \: is \: your \: answer...}}\)
The properties of solution are:-
\({ \green{ \tt{• \: A \: solution \: is \: a \: homogenous \: mixture.}}}\)
\({ \red{ \tt{• \: The \: particles \: of \: a \: solution \: are \: \\ smaller \: than \: 1nm.}}}\)
\({ \blue{ \tt{• \: Particles \: cannot \: be \: seen \: by \: our \: eyes.}}}\)
\({ \orange{ \tt{• \: The \: solute \: particles \: cannot \: be \: \\ separated \: from \: the \: mixture. }}}\)
how would you prepare 2000 ml of a pH = 1.50 solution using concentrated (12 M) HCl? (A 2 L volumetric flask is available.) explain procedure steps of solution preparation.
You would need to take 5 mL of the 12 M acid and then make up to the 2000 mL mark.
What is the dilution formula?The dilution formula is a mathematical expression used to calculate the new concentration of a solution . The dilution formula can be used to calculate the volume of a solution required in dilution. To use the formula, you must ensure that the units of concentration and volume are consistent
The final concentration of the solution is = Antilog (-1.5) = 0.03 M
Then;
12 * V = 2 * 0.03
Where V is the initial volume of the acid.
V = 0.005 L or 5 mL
Learn more about dilution formula:https://brainly.com/question/31598121
#SPJ1
You need to produce 500.0 g of lithium oxide, using the following unbalanced equation:: Li + O2 Li2O This reaction has an 86% yield. A. Determine the smallest mass of Lithium you would need to start.B. Determine the smallest mass of Oxygen gas you would need to start.
In order to calculate the amount of reactant needed to produce 500g of Li20, we will follow the following steps:
1. Balanced equation:4Li(s) +O2(g)→2Li2O(s)
2. Determine the theoritical yield of 2Li2O%yield = {actual yield /theoritical yield }* 100
∴Theoritical yiled ={actual yield / %yield}* 100
={500g 2Li20/86% }*100
∴Theoritical yiled =581 g 2Li2O
3. Determine mass of Lithium and mass of Oxygen:(3.1)Mass of Lithium,
• given that molecular mass of LiO2 is 38,94 g/mol and Molecular mass Li = 13.88g/mol
mass lithium =581 g Li2O x (1mol Li2O/38.94g)
*4molLi/2molLiO2*13.88g Li/1molLi
=414g of lithium
(3.2) Mass of oxygen
• given that molecular mass of LiO2 is 38,94 g/mol and Molecular mass of oxygen =32g/mol
Mass of Oxygen = 581 g Li2O x (1mol Li2O/38.94g) *
* 1mol O2 /2molLIO2 * 32gO2 /1mol O2
=238 g of Oxygen
Based on this passage, the term "mechanical disintegration" means
breaking into small pieces
separation of solid and liquid
evaporation of gases in talus
cultivation of grains
Mechanical disintegration means breaking into small pieces (option A).
What is mechanical digestion?Digestion is the process occuring in the gastrointestinal tract, by which food is converted into substances that can be utilized by the body.
Digestion can, however, be mechanical/physical or chemical/enzymatical. The mechanical digestion involves the breaking down of food into smaller pieces by teeth.
Therefore, according to this question, there is no passage, however, the meaning of mechanical disintegration can be easily detected in biology.
Learn more about mechanical digestion at: https://brainly.com/question/15457673
#SPJ1
What is the percent yield when 100.0 g of Mg3N2 reacts with 75.0 g H2O to produce 15.0 g ofNH3? Show all your workMg3N2(s) + 6H2O(1) ► 3Mg(OH)2(aq) + 2NH3(8)
Answer:
The percent yield is 48.29%.
Explanation:
1st) To calculate the percent yield, it is necessary to use the Actual yield (the given values in the exercise) and the Theoretical yield (the values given by the balanced chemical reaction).
Balanced chemical reaction:
\(Mg_3N_2+6H_2O\rightarrow3Mg(OH)_2+2NH_3\)With the balanced chemical reaction we know that 1 mole of Mg3N2 reacts with 6 moles of H2O to produce 3 moles of Mg(OH)2 and 2 moles of NH3.
2nd) It is necessary to convert the moles to grams, using the molar mass of each compound:
- Mg3N2 molar mass: 100.95g/mol
- H2O molar mass: 18g/mol
- NH3 molar mass: 17.03g/mol
- Conversion of Mg3N2 moles to grams:
\(1mol*\frac{100.95g}{1mol}=100.95g\)- Conversion of H2O moles to grams:
\(6moles*\frac{18g}{1mol}=108g\)- Conversion of NH3 moles to grams:
\(2moles*\frac{17.03g}{1mol}=34.06g\)Now we know that 100.95g of Mg3N2 react with 108g of H2O to produce 31.06g of NH3. Those values are the Theorerical values.
3rd) To calculate the percent yield we can use the formula and replace the values of the product NH3:
\(\begin{gathered} \text{ Percent yield=}\frac{\text{ Actual yield}}{\text{ Theoretical yield}}*100\% \\ \text{ Percent yield }=\text{ }\frac{\text{ 15.0g }}{\text{ 31.06g}}*100\% \\ \text{ Percent yield=48.29}\% \\ \end{gathered}\)So, the percent yield is 48.29%.
Write a short essay about life in the Han Dynasty, comparing it to life today. Make sure to include key features:
-Family
-Government
-Social Structure
-Religion
-Trade
Answer:
Life in the Han Dynasty (206 BCE - 220 CE) differed significantly from today in family, government, social structure, religion, and trade. For example, the Han Dynasty emphasized a patriarchal family structure, where the eldest male held authority, and filial piety was highly valued. In contrast, contemporary societies embrace more egalitarian family dynamics with shared decision-making.
The government system of the Han Dynasty relied on a centralized bureaucracy and emphasized meritocracy, while modern societies often adopted democratic systems. Socially, the Han Dynasty followed a hierarchical model influenced by Confucian principles, whereas contemporary societies strive for greater equality and social mobility.
Religion in the Han Dynasty combined Confucianism, Taoism, and Buddhism, whereas modern societies exhibit diverse religious beliefs. Lastly, trade in the Han Dynasty thrived along the Silk Road, while modern trade was globally interconnected and facilitated by technological advancements. These differences highlight the evolution of society over time.
Explanation:
if you have 58 g of Copper what is the mass of Silver nitrate?
____Cu +____AgNO3 →
____Ag+ ____Cu(NO3)2
Answer:
Add 2 to Cu in first part of problem only
Planet. HELP QUICK
A
B
C
D
Intro
Distance from Sun (km)
778,600,000
4,495,100,000
1,433,500,000
2,872,500,000
What is the identity of the planets?
A:
B:
C: Saturn
D:
Uranus
Neptune
Jupiter
Done
The identity of planet is:
A) Jupiter : 778,600,000 km
B) Neptune : 4,495100,00 km
C) Saturn : 1433500000 km
D) Uranus : 2872500000 km
The distance from the sun of planets is given in kilometers.
A) 778,600,000 km : Jupiter
Jupiter is fifth planet from the sun. Jupiter is the largest in the solar system. it is famous for iconic red spot.
B) 4,495,100,000 km : Neptune
Neptune is eight planet from the sun. Neptune is the farthest planet in solar system.
C) 1,433,500,000 km : Saturn
Saturn is sixth planet from the sun. Saturn is second largest planet in solar system.
D) 2,872,500,000 km : Uranus
Uranus is seventh planet from the sun. For Uranus , equator is nearly at right angle to its orbit.
Thus,
A) Jupiter : 778,600,000 km
B) Neptune : 4,495100,00 km
C) Saturn : 1433500000 km
D) Uranus : 2872500000 km
To learn more about planets here
https://brainly.com/question/15268075
#SPJ1
List the metals that form only one type of ion (that is, metals whose charge is invariant from one compound to another). What are the group numbers of these metals
this question is in reference to the formation and naming of ionic compounds. Specifically, they want you to give examples of three ionic compounds with a metal to nonmetal ratio of 2 to 1. That means we need to have two metal atoms to metal ions, which are typically cat ions for every one non metal atom or an ion. In order for this to occur, we need to have the metal with half the charge of the nonmetal or the non metal with double the charge of the metal. So an example might be something like sodium sulfide. Sodium has one valence electron. It can give up sulfur needs to valence electrons in order to achieve an octet. So we need to. Sodium seems to give up one electron each to total so that sulfide can achieve an octet. Another one might be potassium oxide. Similar scenario. We've got potassium giving up one valence electron oxygen requiring too. So we need to potassium to supply the to valence electrons that oxygen needs to achieve an octet and lithium. Also in Group one A and alkali metal wants to give up just one valence electron to achieve an octet well to achieve, I guess a duet to be more like helium, and so it gives up one. If we have two of them, then we can provide the to valence electrons that sulfur needs. So this is sodium sulfide, potassium oxide and lithium sulfide. Remember when we name Ionic compounds? We named the Cat Ion with the name of the element and the anti on with the name of the Element, but with the ending oven of ID, a suffix of ID because each one of the cat ions donated their valence electrons to the anti on so the an ion could achieve an octet. Then all of the's will have an octet of valence electrons. Sulfur had six sodium had one. There were two of them, so we have a total of eight.
The metals that can form only one type of ion are Li, Al, Ca, Ba, Rb, W,Na, Mg and Sr. They are called alkali metals.
Cobalt, Co is stable in both +2 and +3 oxidation state. So it can variable.
Lithium, Li only have +1 charge. So it is invariable from one compound to other.
Lead, Pb is variable as it has +2, +4 charge in which it is stable.
Pd has +2, +4 charge in which it is stable. So, It is variable.
Copper, Cu has +1, +2 charge. It is also variable. Potassium, K has only +1 charge. It is invariable. Aluminum, Al has only +3 charge. It is invariable.
Cesium, Cs is only stable in +1 charge. It is invariable. Molybdenum, Mo is stable in +4 and +6. It is variable. Calcium, Ca and Barium Ba are stable in +2 charge. It is invariable.
Rubidium, Rb is stable in +1 charge. It is invariable. Tungsten, W is stable in +6 charge. It is invariable. Iron, Fe is stable in +2, +3 charge. It is variable. Sodium, Na is stable in +1 charge. It is invariable. Mg and Sr are stable in +2 charge. It is invariable. Vanadium, V has +2, +3, +4, +5 charges. So, It is variable.
To know more about alkali metals
https://brainly.com/question/18153051
#SPJ3
For each row in the table below, decide whether the pair of elements will form a molecular compound held together by covalent chemical bonds
Answer:
1- yes
HBr--hydrogen bromide
2- no
BaBr₂----barium bromide
3- yes
NCl----- nitrogen chlorine
Hydrogen ,bromine and nitrogen , chlorine are the pair of elements which will form a molecular compound by covalent bond as they have 1, 7,5, 7 valence electrons respectively.
What is a covalent bond?Covalent bond is defined as a type of bond which is formed by the mutual sharing of electrons to form electron pairs between the two atoms.These electron pairs are called as bonding pairs or shared pair of electrons.
Due to the sharing of valence electrons , the atoms are able to achieve a stable electronic configuration . Covalent bonding involves many types of interactions like σ bonding,π bonding ,metal-to-metal bonding ,etc.
Sigma bonds are the strongest covalent bonds while the pi bonds are weaker covalent bonds .Covalent bonds are affected by electronegativities of the atoms present in the molecules.Compounds having covalent bonds have lower melting points as compared to those with ionic bonds.
Learn more about covalent bond,here:
https://brainly.com/question/19382448
#SPJ2
If a cell is 80% water and the outside environment is 90% water. What is likely to happen?
A. water will rush into the cell
B. net movement of water will be equal
C. water will not move into or out of the cell
D. water will rush out of the cell
A balloon filled with 0.0303 mol of helium at 30°C and a pressure of 1.0 atm occupies a volume of 0.75 L and has a density of 0.161 g/L. What would the density of the helium gas be if the balloon was placed in the freezer at -10 C and a pressure of 2.0 atm?
Answer:
the density of the helium gas would be approximately 0.369 g/L when the balloon is placed in the freezer at -10°C and a pressure of 2.0 atm.
Explanation:
To calculate the density of helium gas in the balloon after it is placed in the freezer at -10°C and a pressure of 2.0 atm, we can use the ideal gas law and the relationship between density, molar mass, and molar volume.
First, let's find the initial molar volume of the helium gas using the given conditions:
PV = nRT
Where:
P = pressure = 1.0 atm
V = volume = 0.75 L
n = number of moles = 0.0303 mol
R = ideal gas constant = 0.0821 L·atm/(mol·K)
T = temperature in Kelvin
To convert Celsius to Kelvin, we add 273.15:
T = 30°C + 273.15 = 303.15 K
Using the ideal gas law, we can calculate the initial molar volume:
V_initial = (n * R * T) / P
V_initial = (0.0303 mol * 0.0821 L·atm/(mol·K) * 303.15 K) / 1.0 atm
V_initial ≈ 0.754 L
Next, we can calculate the molar mass of helium (He) using the atomic mass of helium:
Molar mass of He = 4.003 g/mol
Now we can calculate the initial density of the helium gas in the balloon:
Initial density = (mass of helium gas) / (volume of helium gas)
Initial density = (0.0303 mol * 4.003 g/mol) / 0.754 L
Initial density ≈ 0.161 g/L
Now let's find the final density of the helium gas when the balloon is placed in the freezer at -10°C and a pressure of 2.0 atm.
We will use the ideal gas law again with the new conditions:
P_final = 2.0 atm
T_final = -10°C + 273.15 = 263.15 K (converted to Kelvin)
To find the final molar volume, we rearrange the ideal gas law equation:
V_final = (n * R * T_final) / P_final
V_final = (0.0303 mol * 0.0821 L·atm/(mol·K) * 263.15 K) / 2.0 atm
V_final ≈ 0.328 L
Finally, we can calculate the final density of the helium gas:
Final density = (mass of helium gas) / (volume of helium gas)
Final density = (0.0303 mol * 4.003 g/mol) / 0.328 L
Final density ≈ 0.369 g/L
Lesson 06.02 and 06.03: Reading for Argument Graphic Organizer
Answer the questions and complete the graphic organizers as you move through the
two lessons. The notes on 6.02 will help you on your Lesson 6.02 assessment. The whole
graphic organizer will be submitted in lesson 6.03.
6.02: Summarize the Claims and Evidence
2
1. 1. What are the Constitution and Declaration of Independence described as?
Excerpt #
1
3
1. 2. Summarize the claims and evidence King uses in his speech. Excerpt 1 has been
completed as an example for you.
Claims and Evidence
Claim 1: The Constitution and the Declaration of Independence promise
equal rights to all Americans, not just white people.
Claim 2: America has failed to deliver the rights promised by the
Constitution and Declaration of Independence to black people.
Evidence for Claim 2:
Evidence for Claim 2:
Claim 3:
Claim 4:
They are described as promissory notes that guarantee the unalienable rights of life, liberty, and the pursuit of happiness.
Claim 1 is that the Constitution and the Declaration of Independence give equal rights to all Americans. The evidence for this claim is found in the article of the Declaration of Independence.
Claim 2 is that America has failed to deliver these rights to black people. The evidence for this is found in the speech "I Have a Dream" by Martin Luther King Jr.
What are the Constitution and Declaration of Independence?The Constitution and Declaration of Independence are described as promissory notes that guarantee the unalienable rights of life, liberty, and the pursuit of happiness.
Following are the Claims and Evidence:
Claim 1: All Americans, not only whites, are guaranteed equal rights under the Constitution and the Declaration of Independence.
The Declaration of Independence has supporting evidence for Claim 1.
Claim 2: The United States has failed to grant black people the rights outlined in the Constitution and Declaration of Independence.
Martin Luther King Jr.'s "I Have a Dream" speech serves as proof for Claim 2.
Learn more about the Constitution at: https://brainly.com/question/470736
#SPJ1
How many grams of K3PO4 will be formed from 134.5 moles of Na3PO4?
Answer:
The balanced chemical equation for the reaction between Na3PO4 and KCl is:
2 Na3PO4 + 3 KCl → K3PO4 + 3 NaCl
According to the equation, 2 moles of Na3PO4 react with 3 moles of KCl to form 1 mole of K3PO4. Therefore, the number of moles of K3PO4 formed from 134.5 moles of Na3PO4 can be calculated as:
134.5 moles Na3PO4 x (1 mole K3PO4 / 2 moles Na3PO4) = 67.25 moles K3PO4
To convert moles of K3PO4 to grams, we need to use its molar mass. The molar mass of K3PO4 can be calculated as:
3(39.10 g/mol K) + 1(30.97 g/mol P) + 4(16.00 g/mol O) = 212.27 g/mol
Therefore, the mass of K3PO4 formed can be calculated as:
67.25 moles K3PO4 x (212.27 g/mol K3PO4) = 14,259.98 g
Rounding off to 2 decimal places, the answer is 14,260.00 grams of K3PO4.
Which of the following is an example of a buoyant force acting on a piece of
bread?
O A. The piece of bread floats on the surface of a lake.
B. The piece of bread travels in uniform circular motion.
C. The piece of bread remains still despite an applied force.
D. The piece of bread travels with straight-line horizontal
acceleration.
An example of the buoyant force on a piece of bread is the piece of bread floats on the surface of body water such as a lake.
What is the buoyant force?This is a force experienced by objects when they are in a body of water. This force implies objects have an upward force, which in many cases causes them to float.
What are some examples of this force?Any object that is submerged in water but floats or shows to have an upward force is an example of this force. Based on this, the option that clearly shows the buoyant force is a bread floating on a lake.
Learn more about buoyant force in: https://brainly.com/question/21990136
Answer:
A
Explanation:
Is this equation balanced?
Na2SO4 + MgOH -> MgSO4 + NaOH
A) No it’s not balanced. The Na are not balanced.
B) Yes it’s balanced.
C) No it’s not balanced. The Mg atoms are not balanced.
D) No, it’s not balanced. The S atoms are not balanced.
No it’s not balanced. The Na are not balanced (option A)
Why is the given equation not balance?the given chemical equation is not balanced because It is missing some coefficients to balance the number of atoms on both sides of the equation.
The balanced chemical equation for the reaction is:
Na2SO4 + Mg(OH)2 → MgSO4 + 2NaOH
This equation shows that two molecules of sodium hydroxide (NaOH) are produced for every one molecule of magnesium hydroxide (Mg(OH)2) consumed, and that the number of sodium (Na) atoms is balanced on both sides of the equation.
Learn about balanced equations here https://brainly.com/question/11904811
#SPJ1
Ammonia is among the top ten synthesized compounds. Its many uses include the manufacture of ammonium nitrate and other fertilizers. Ammonia decomposes at high temperatures. In an experiment to explore this behavior, 2.00 moles of gaseous NH3 are sealed in a rigid 1-liter vessel. The vessel is heated at 800 K and some of the NH3 decomposes in the following reaction:
2 NH3 (g) <-> N2 (g) + 3 H2 (g)The system eventualky reaches equilibrium and is found to contain 1.740 mole of NH3. What are the values of Kp and Kc for the decomposition reaction at 800k?
Answer:
Kc = 2.55x10⁻³
Kp = 10.97
Explanation:
Based on the reaction:
2 NH₃(g) ⇄ N₂(g) + 3H₂(g)
2 moles of ammonia produce 1 mole of nitrogen and 3 of hydrogen.
Kc is defined as:
Kc = [N₂] [H₂]³ / [NH₃]²
When 2.00 moles of NH₃ are added in a vessel and the reaction occurs, when the reaction is in equilibrium the moles of each specie is:
NH₃: 2.00moles - 2X
N₂: X
H₂: 3X
Where X represents reaction coordinate.
As moles in equilibrium of NH₃ are 1.740moles:
1.740 mol = 2.00 - 2X
0.13moles = X
That means moles of N₂ are 0.13 and H₂ 0.39
Replacing in Kc formula:
Kc = [0.13] [0.39]³ / [1.74]²
Kc = 2.55x10⁻³To obtain Kp from Kc you need to use the formula:
Kp = Kc (RT)^Δn
Where R is 0.082atmL/molK, T is temperature in Kelvin (800K) and Δn is change in moles of gas, that is moles of products - moles of reactants ( 4 - 2 = 2)
Replacing:
Kp = 2.55x10⁻³(0.082atmL/molKₓ800K)²7
Kp = 10.97
The values of Kp and Kc for the decomposition reaction of ammonia at 800k is 2.5 × 10⁻³ and 10.97 respectively.
What is Kp and Kc?Kp and Kc both are equilibrium constants with respect to the partial pressure and concentration in molaity respectively.
Given chemical reaction with ICE table will be represented as:
2 NH₃(g) ⇄ N₂(g) + 3H₂(g)
Initial: 2 0 0
Change: -2x +x +3x
Equilibrium: 2-2x x 3x
According to the question moles of NH₃ at equilibrium is 1.740 mol, so
2 - 2x = 1.740 mol
x = 0.13moles
Kc equation for the given reaction is:
Kc = [N₂].[H₂]³ / [NH₃]²
Kc = (x).(3x)³ / (0.13)²
Kc = 2.5 × 10⁻³
Kp will be calculated as:
Kp = Kc.(RT)ⁿ, where
R = universal gas constant = 0.082atmL/mol.K
T = temperature = 800K
n = change in moles = 4 -2 = 2
Kp = (2.5 × 10⁻³)[(0.082)(800)]²
Kp = 10.97.
Hence value of Kp & Kc is 2.5 × 10⁻³ and 10.97 respectively.
To know more about Kp & Kc, visit the below link:
https://brainly.com/question/4615606
If a new McDonalds opens up in town, then the supply curve for cheeseburgers will shift to
to the left
to the right
upward
downward
Balance the following equation and determine the coefficients in order
from left to right. Co + O2 - C0203
A 1,3,2
B 2,3,1
C 1,1,2
D 4, 3, 2
Answer:
D 4,3,2
Explanation:
4 Co + 3 O2 ----> 2 Co2O3
A man sits on the grass eating a doughnut and sipping iced tea. The sun is a glowing
ball in the sky, making the air warm. He gets up and makes sure his chainsaw is filled
with gasoline. The fumes make him cough. He starts the motor, lifts his chainsaw,
and saws a branch off a tree. The branch falls to the ground, knocking over his iced
tea. By this time, the ice in his tea has completely melted. The tea pours over some
ants that were munching on doughnut crumbs. With renewed energy from the snack,
the ants grab their crumbs, lift them onto their backs, and scurry away.
a. List the four states, or phases, of matter and give one example of each from the
story above. (8 points)
Explain how Florida droughts lead to water restriction
Answer:
Due to drought in Florida, people were informed to minimize the use of water and certain rules were made regarding water usage.
Explanation:
A drought is a shortage in the water supply. The drought in Florida led to water restriction as it was a way to prevent the shortage of water in the long run. Florida experienced a drought and water restriction was used as a way to curtail further shortage of water.
New rules were made to prevent wastage of water such as limiting lawn watering to one day in a week, limiting of car washing, and homeowners were not allowed to do things that can lead to an increase in water usage.
If you have 25 moles of water, H2O, how many molecules of water do you have?
Answer:
The number of molecules of water us 1.50× 10²⁵ molecules
Explanation:
From N=nL
where L =avogadro number ( 6.02× 10^²³ entities)
The number of the molecules of water =1
n (amount of substance)=25 moles
hence (N) = 25×1×6.02×10^²³
=1.50×10²⁵ molecules of H2O
When a thin glass tube is put into water, the water rises 1.4 cm. When the same tube is put into hexane, the hexane rises only 0.4 cm. Complete the sentences to best explain the difference. Match the words to the appropriate blanks in the sentences. Make certain each sentence is complete before submitting your answer.
1. The strongest force observed at the surface of glass is:________
2. Water is___________ and interacts, generating adhesive interactions with the only weak dispersion strong hydrogen bonding polar glass
3. Hexane is________ and interacts, generating____________ adhesive interactions with the glass.
a. dipole
b. nonpolar
c. only weak
d. dispersion
e. strong
f. hydrogen bonding
g. polar
Answer:
Explanation:
1 . The strongest force observed at the surface of glass is:__DIPOLE______
2. . Water is__POLAR_________ and interacts, generating adhesive interactions with the only weak dispersion strong hydrogen bonding polar glass.
3 . Hexane is_NON-POLAR _______ and interacts, generating__ONLY WEAK __________ adhesive interactions with the glass.
Hey there.
Explain JJ Thomson's model.
Thomson discovered the electron, the first subatomic particle. In 1904, Thomson proposed atomic model where electrons are embedded within spherically distributed, positive charge (so-called "plum pudding" model).
J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged "soup."
☆...hope this helps...☆
_♡_mashi_♡_
Which of the following molecules contain POLAR COVALENT bonds?
A.) P4
B.) O2
C.) O3
D.) HF
D.) HF of the following molecules contain POLAR COVALENT bonds
Is the bond formed by HF polar?A polar covalent link holds a hydrogen atom and a fluorine atom together in a hydrogen fluoride (HF) molecule.
The molecule that has a polar covalent link in it is c. H-F since fluorine and hydrogen atoms have different electronegativities, which causes the bond to become polarised.
A polar molecule is one that has a little positive charge on one end and a slight negative charge on the other. A polar molecule is a diatomic compound, such as HF, that has a polar covalent link.
learn more about polar covalent link
https://brainly.com/question/30624263
#SPJ1