The diagram below shows the different phase transitions that occur in matter.
0000
Solid
2345
Liquid
Gas
Which arrow would most likely represent the phase change that involves the same amount of energy as arrow 1?
02
6
Answers
The phase diagram represents the different phase transitions that occur in matter. The arrow labeled "1" represents the transition from a solid to a liquid state, which is commonly known as melting or fusion.
When a substance undergoes melting, it absorbs a specific amount of energy known as the latent heat of fusion. To identify the arrow that most likely represents a phase change involving the same amount of energy as arrow 1, we need to consider the specific phase transitions and their associated energy changes. The phase transition directly opposite to melting on the phase diagram is the transition from a liquid to a solid state, known as freezing or solidification. This transition involves the release of the same amount of energy that was absorbed during melting.
Hence, the arrow that most likely represents the phase change involving the same amount of energy as arrow 1 is arrow "6," which signifies the transition from a liquid to a solid state. Both melting and freezing involve the same amount of energy exchange, as they are reversible processes occurring at the same temperature.
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Related Questions
You want to sweeten a cup of tea, and you have three types of sugar: sugar cubes (volume: 5ml), granulated sugar (volume: 0.1 ml), and powdered sugar (volume: 0.0001 ml). Which sugar would dissolve the fastest? Why?
Answers
Answer:
powdered sugar
Explanation:
The higher is the exposed area of sugar, the faster is the dissolution process. Thus, to choose between the different types of sugar, we have to look at the volume occupied by the sugar.
In sugar cubes, the particles of sugar as compacted in a cube, so the particles inside the cube are not exposed to the solvent (water). So, sugar cubes have the slowest dissolution process. Then, in granulated sugar, the particles have more area exposed, so this type of sugar will dissolve faster than sugar cubes. Finally, powdered sugar is composed of tiny particles with more are exposed, so powdered sugar has the fastest dissolution process.
Therefore, powdered sugar will dissolve the fastest.
Scenario
HURRY I NEED HELP ASAP
A student masses 40 g copper (11) oxide Cuo, a black solid, and heats the substance using a Bunsen burner until the sample turns a reddish color. The chemical equation for the reaction issiven below. According to the reaction, the copper (1) oxide decomposes to produce copper(1) oxide and oxygen
4CuO → 2Cu2O + O2
Black solid Red solid Colorless gas
40 g. ? g
? g
Based on the evidence, write a scientific explanation describing the exact mass of the copper() oxide produced Provide mathematical evidence and give your reasoning in a way that demonstrates your understanding of the scientific principles involved.
Answers
72 g of Copper(i) oxide will be produced by 40 g of CuO base on the law of conservation of mass.
What mass of copper (i) oxide is produced?The law of conservation of mass states that mass remains constant at the end of every reaction.
The equation of the reaction is given below:
\(4CuO → 2Cu_2O + O_2\)
Based on the equation of reaction, 4 moles of copper (ii) oxide produces 2 moles of copper (i) oxide.
Mass of 4 moles of CuO = 4 × 80 = 160 g
Mass of 2 moles of copper (i) oxide = 2 × 144 g = 288 g
Mass of Copper(i) oxide produced by 40 g of CuO will be: 40 × 288/160 = 72 g
Therefore, 72 g of Copper(i) oxide will be produced by 40 g of CuO.
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“Chemistry is the study of all substances. Chemistry is everywhere” you think this is a good enough answer for a test about “what is chemistry?
Answers
Answer:
Try to make it more detailed "Chemistry is the study of all substances" is an amazing start. Can you give some examples of chemistry? Try to make a small paragraph.
Explanation:
Explanation:
Chemistry, the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.
This is a more detailed answer...
what are plasmas properties?
Answers
Answer:Plasma is highest energy state of matter.It consists of electrons,protons and neutral particles.
Explanation:(1) Plasma has a very high electrical conductivity .
(2) The motion of electrons and ions in plasma produces it's own electric and magnetic field
(3)It is readily influenced by electric and magnetic fields .
(4)It produces it's on electromagnetic radiations.
How do we solve this question? I found B answer key says A
Answers
First, we write the reaction and balance it:
HNO2 (aq) + NH3 (aq) = NH4+ + NO2- (Balanced)
Data:
50 mL of 0.2 M HNO2
50 mL of 0.2 M NH3
In total, we have 100 mL, therefore, this solution between HNO2 and NH3 will be diluted in half. I mean: The concentration of HNO2 and NH3 will be 0.10 M
HNO2 (aq) + NH3 (aq) = NH4+ + NO2-
Initial 0.10 M 0.10 M 0 0
reacts -x -x +x +x
Equilibrium 0.10-x 0.10-x +x +x
Now, we write Kc:
\(\begin{gathered} Kc\text{ = }\frac{\lbrack NH4+\rbrack\lbrack NO2-\rbrack}{\lbrack HNO2\rbrack\lbrack NH3\rbrack}=\frac{x^2}{(0.10-x)^2} \\ 1x10^6=\frac{x^2}{(0.10-x)^2} \\ \sqrt{1x10^6}=\text{ }\lvert{\frac{x}{(0.10-x)}}\rvert \\ We\text{ get 2 values here:} \\ 1)+1000=\frac{x}{(0.10-x)} \\ and \\ 2)-1000\text{ = }\frac{x}{(0.10-x)} \end{gathered}\)Values of x:
For 1) x = 0.0999
For 2)x = 0.1001
We choose number 1) x = 0.0999
Number 2 gives us a value higher than the initial values of concentration
Therefore, concentration in equilibrium of NH3 = 0.10-x =0.10 - 0.0999 = 0.00010M
Answer: A. 0.00010M
is CO(NH2)2 and (NH2)2CO the same thing
Answers
Answer:
Explanation: the answer is YES
CO(NH2)2 and (NH2)2 CO is the urea
Which of the substances are elements please help
Answers
Answer:
Substances 1 and 2
Explanation:
an element only has 1 kind of atoms :3
What are some ways carbon dioxide enters our atmosphere and subsequently the air we breathe
Answers
Answer:
when organisms decompose, or burning fossil fuels and pollution and such
Explanation:
Reproductions is the process by which organisms CANNOT make one or more organisms
True
False
Answers
What is the mass of 1.00 mole of carbon atoms?
Answers
Carbon atoms weigh 12.01g/mol in a mole.
12 grams of pure carbon-12 contain exactly one mole's worth of atoms (C-12). 12g of C-12 is equal to 1 mole, or 6.022 10²³ atoms.
On Earth, a compound's molar mass, which is also known as its molecular weight, is just the total mass of its constituent elements. The amount of matter in a substance or an object is measured by its mass. The kilogram (kg) is the fundamental SI unit of mass, while lower masses can also be measured in grams (g).
A substance's mole is equivalent to 6.022 x 10²³ of that material (such as atoms, molecules, or ions). The term "Avogadro's number" or "Avogadro's constant" refers to the number 6.022 10²³ .
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Which statement accurately describes a light-year
Answers
Answer:
B. distance light travels in a year
got it on edge :)
The statement which accurately and best describes a light-year is the total distance which light travels in a complete year
What is velocity of light?Velocity of light can simply be defined as that fundamental constant that represents the speed of electromagnetic radiation in a vacuum.
The velocity of light = 2.9979 × 10^10cm/s
So therefore, the statement which accurately and best describes a light-year is the distance which light travels in a complete year
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TRUE/FALSE.Half-life is the time it takes for ALL of the original amount of an unstable isotope to decay into more stable forms.
Answers
The statement that claims "The half-life is the time it takes for ALL of the original amount of an unstable isotope to decay into more stable forms" is false.
The half-life of a radioactive isotope refers to the time required for half of the original quantity of the isotope to undergo radioactive decay and transform into more stable forms. It is a fundamental concept in nuclear physics and has important implications in various fields such as radiometric dating and medical imaging.
Radioactive isotopes are inherently unstable and undergo spontaneous decay, transforming into different isotopes or elements over time. The rate of decay is governed by the unique half-life characteristic of each radioactive isotope. The half-life represents the time it takes for half of the radioactive nuclei in a sample to decay.
For example, suppose we have a sample containing a radioactive isotope with a half-life of 10 years. After the first 10 years, half of the original isotope will have decayed, and the remaining half will remain. After another 10 years (20 years in total), half of that remaining half will have decayed, leaving only one-fourth of the original isotope. This pattern continues, with the amount of the original isotope decreasing by half with each successive half-life.
It is important to note that even after multiple half-lives, a small fraction of the original isotope may still remain. However, as time goes on and more half-lives pass, the amount of the original isotope becomes increasingly negligible compared to the more stable forms it decays into.
Therefore, the correct understanding is that the half-life is the time it takes for half of the original amount of an unstable isotope to decay, not for all of it to decay into more stable forms.
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help me out real quick
Answers
Answer:
Copper reacts in acid
It has a high boiling point
Explanation:
35.Pure water (H2O) can be placed in which of the following classes of matter?Select one:a. Compoundsb. Elementsc. Mixturesd. Solutions
Answers
ANSWER
Water molecule is a compound
EXPLANATION;
Water molecule is formed from the combination of oxygen and hydrogen atoms
\(\text{ 2H}_2\text{ + O}_2\text{ }\rightarrow\text{ 2H}_2O\)Recall, that compound is the combination of two or more elements that are chemically combined together
Therefore, water molecule is a compound
The density of gold is 19. 3 g/cm3. What is the volume of a 13 g gold nugget? (Density: D = ). 25 cm3. 67 cm3 1. 48 cm3 2. 50 cm3.
Answers
Answer:
0.67 cm³Explanation:
The volume of a substance when given the density and mass can be found by using the formula
\(volume = \frac{mass}{density} \\\)
From the question
mass = 13 g
density = 19.3 g/cm³
We have
\(volume = \frac{13}{19.3} \\ = 0.673575...\)
We have the final answer as
0.67 cm³Hope this helps you
A liter of milk has a [H+] of about 2.51 × 10–7. (You may prefer to think of the hydronium ion concentration, [H3O+], as 2.51 × 10–7.) Use the formula for the calculation of pH provided and show each step as you calculate the pH of milk. In order to get full points you must show all the steps you take.
Answers
The pH of milk is approximately 6.6.
Steps
The formula for calculating pH is:
pH = -log[H+]
Given that [H+] of milk is about 2.51 × 10–7, we can substitute this value into the formula to calculate the pH:
pH = -log(2.51 × 10–7)
pH = -(-6.6)
pH = 6.6
Therefore, the pH of milk is approximately 6.6.
What is pH?A solution's acidity or basicity is determined by its pH. A pH of 7 indicates a neutral solution (equal concentration of H+ and OH- ions), a pH of less than 7 indicates an acidic solution (higher concentration of H+ ions), and a pH of greater than 7 indicates a basic or alkaline solution. It is defined as the negative logarithm of the hydrogen ion concentration [H+] in moles per liter (higher concentration of OH- ions).learn more about pH here
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How are mole ratios used in chemical calculations?.
Answers
Afirmar que el h20 es la formula que corresponde al agua, esto es una teoría, idea, ley, hipotesis o experimentación
Answers
Answer:
Ley.
Explanation:
En la teoría de la ciencia, la regularidad de los procesos en la naturaleza se denomina ley de la naturaleza. Las leyes naturales se diferencian de otras leyes en que los seres humanos no pueden ponerlas en vigor ni anularlas a su discreción. En tal sentido, la composición química del agua es indudablemente una ley natural, en tanto el hombre no puede modificarla sin modificar las características inherentes del agua como tal.
A 10.00 mL diluted chloride sample was titrated with 0.02749 M AgNO3, and 16.51 mL AgNO, was required to reach the endpoint. How would the following errors affect the calculated concentration of CI? a. The student read the molarity of AgNO, as 0.02479 M instead of 0.02749 M. The experimentally calculated moles of Ag would be too! calculated [CI] in the unknown would come out too b. The student was past the endpoint of the titration when the final buret reading was taken. v The experimentally determined moles of Ag would be too | calculated C1 concentration. so the calculated moles of CI would come out too so the calculated moles of CI would come out ✓ The as would the
Answers
The effect of errors on the calculated concentration of CI is significant.
A 10.00 mL diluted chloride sample was titrated with 0.02749 M AgNO3, and 16.51 mL AgNO, was required to reach the endpoint. The effect of errors on the calculated concentration of CI can be explained as follows:a. The student read the molarity of AgNO, as 0.02479 M instead of 0.02749 M. If the student read the molarity of AgNO, as 0.02479 M instead of 0.02749 M, then the experimentally calculated moles of Ag would be too high. Consequently, the calculated [CI] in the unknown would come out too low. b.
The student was past the endpoint of the titration when the final buret reading was taken. If the student was past the endpoint of the titration when the final buret reading was taken, then the experimentally determined moles of Ag would be too low. This would cause the calculated C1 concentration to come out too high. Consequently, the calculated moles of CI would come out too high. Therefore, the effect of errors on the calculated concentration of CI is significant.
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the solubility of slaked lime, ca(oh)2, in water at 20°c is 0.185 g/100.0 ml. what volume of 0.00100 m hcl is needed to neutralize 10.0 ml of a saturated ca(oh)2 solution?
Answers
That means:
Mass of calcium hydroxide = 0.185 g.
Volume = 100 mL = 0.1 L.
Molarity of HCl = 0.00100 M.
Volume of calcium hydroxide = 12.5 L.
Calculate the number of mol for calcium hydroxide:
n
C
a
(
O
H
)
2
=
M
a
s
s
M
o
l
a
r
m
a
s
s
=
0
.185
g
74
.09
g
/
m
o
l
=
0.00250
m
o
l
n
C
a
(
O
H
)
2
=
M
a
s
s
M
o
l
a
r
m
a
s
s
=
0
.185
g
74
.09
g
/
m
o
l
=0.00250
m
o
l
Calculate molarity for calcium hydroxide:
M
o
l
a
r
i
t
y
o
f
C
a
(
O
H
)
2
=
n
C
a
(
O
H
)
2
V
o
l
u
m
e
=
0.00250
m
o
l
0.1
L
=
0.0250
M
M
o
l
a
r
i
t
y
o
f
C
a
(
O
H
)
2
=
n
C
a
(
O
H
)
2
V
o
l
u
m
e
=
0.00250
m
o
l
0.1
L
=0.0250
M
For the given volume, number of mol of calcium hydroxide present is:
n
C
a
(
O
H
)
2
=
0.0250
M
×
0.0125
L
=
0.000312
m
o
l
n
C
a
(
O
H
)
2
=0.0250
M
×0.0125
L
=0.000312
m
o
l
When calcium hydroxide dissociates in water then 2 mol of hydroxide ion are released. That means twice the mol of calcium hydroxide,
n
O
H
−
=
2
×
0.000312
m
o
l
=
0.000624
m
o
l
n
O
H
−
=
2
×
0.000312
m
o
l
=
0.000624
m
o
l
.0.000624 mol are required to completely neutralize the HCl. The required volume can be calculated as:
M
o
l
a
r
i
t
y
o
f
H
C
l
=
n
H
C
l
V
o
l
u
m
e
V
o
l
u
m
e
=
n
H
C
l
M
o
l
a
r
i
t
y
o
f
H
C
l
=
0.000624
m
o
l
0.00100
M
=
0.624
L
M
o
l
a
r
i
t
y
o
f
H
C
l
=
n
H
C
l
V
o
l
u
m
e
V
o
l
u
m
e
=
n
H
C
l
M
o
l
a
r
i
t
y
o
f
H
C
l
=
0.000624
m
o
l
0.00100
M
=0.624
L
Hence, the required volume of HCl is 624 mL.
calculate the mass of iron (iii) carbonate that will be formed when 15.0 mL of 0.15 M iron (iii) chloride solution are reacted with 20.0 mL of 0.15 M sodium carbonate. Be sure to write the balanced metathesis reaction that is occuring.
Answers
Answer:
The molar mass of a substance is calculated as the mass of a given chemical compound or substance, which is then divided by the amount of the substance. The mass is calculated in grams and the amount of the substance is calculated in mol. Thus, the standard unit for molar mass is g/mol.
Explanation:
According to the given question, the reaction between iron chloride and sodium carbonate will be given as:
\(\text {3Na_{2}CO_{3}\text} \;\[+\] \;\text{ 2FeCl_{3} \text}\; \rightarrow\; \text {6NaCl}\; \[+\] \;\text { Fe_{2} (CO_3)_{3} \text}\)
Now, to calculate the mass of iron carbonate formed in the above chemical reaction, it will be given as:
\({ \text Moles\;of}\text \;\text {FeCl_{3} \text} \[=\dfrac{0.15 \;\text {moles} \times 0.015\; \text L}{1.0 { \;\text L}\text}\)
\(=\;0.00225\; \text {moles}\text\)
Similarly, for sodium carbonate
\(\text Moles\; of\; Na_{2}CO_{3}}\te \[=\]\dfrac{0.15 \;\text {moles} \times 0.020\; \text L}{1.0 { \;\text L}\text}\\\)
\(\[=\]\;0.0003\; {\text moles \text}\)
Limiting reactant is \(\text {FeCl_{3} \text}\)
Now, calculating iron chloride mass:
\(=\dfrac{0.00225 \times 1\;\text{moles}\;\text{Fe}_2 {(\text{CO}_3)}}{2\;\rm{moles\;of\;}Fecl_3}\)
\(=0.001125 \;\text {moles }\)
Now, molar mass of the \(\text{Fe}_{2}\text{CO}_{3}\) will be \(=291.71679\;\text{g/ mol}\)
\(\begin{aligned}\text{Mass}&=\frac{\text{Moles}}{\text{Molar mass}}\\\\&=\frac{0.001125\;\text{moles}}{291.71679\; \text{g/mol}} \\\\&=3.85648\times10^{-6} \end{aligned}\)
please am confused and need help
Answers
Answer:
1. C
2. C
3. A
4. C
5. True
6. C
Explanation:
1. C The answer is conduction because the heat was transferred through direct contact.
2. C The answer convection because the heat was transferred through a medium (liquid/gas).
3. A The answer is conduction because the heat was transferred through direct contact.
4. C The answer is radiation because the heat was transferred through thermal emission.
5. True. This is because the air that is warmed rises, causing the cool air to replace it. You can picture it like the scenario in question 2.
6. C
what is the molarity of a 400.0mL solution that contains 45.00 g of cadmium nitrate, Cd(NO3)2
Answers
The molarity if 400 ml solution that contains 45 g of Cadmium nitrate is 0.47 M.
Define molarity.Molar concentration, also known as molarity, quantity concentration, or substance concentration, is a unit used to describe the amount of a substance in a solution expressed as a percentage of its volume. The number of moles per litre, denoted by the unit symbol mol/L or mol/dm³ in SI units, is the most often used unit denoting molarity in chemistry. One mol/L of a solution's concentration is referred to as one molar, or 1 M.
Most frequently, moles of solute per litre of solution are used to express molar concentration or molarity. It is defined as the quantity of material per unit volume of solution, or per unit volume, for use in larger applications.
Using the formula:
M = \(\frac{n}{V}\) × 100
where n is moles
n = \(\frac{m}{M\\}\)
m =45 g
M = 236 g
V is volume in litre
M = 0.47 M
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according to osha, safety measures that should be taken when using dental materials with potentially hazardous chemicals must be found in a
Answers
According to OSHA (Occupational Safety and Health Administration), safety measures for using dental materials with potentially hazardous chemicals can be found in sources such as Material Safety Data Sheets (MSDS), OSHA's Hazard Communication Standard (HCS), and dental office safety manuals or protocols.
According to OSHA (Occupational Safety and Health Administration), safety measures that should be taken when using dental materials with potentially hazardous chemicals can be found in a few different sources:
Material Safety Data Sheets (MSDS): Manufacturers of dental materials are required to provide MSDSs for their products. These sheets contain detailed information about the potential hazards, safe handling procedures, storage recommendations, and emergency measures related to the chemicals present in the dental materials.
OSHA's Hazard Communication Standard (HCS): This standard requires employers to provide information and training to employees about the hazardous chemicals they may be exposed to in the workplace. The HCS ensures that employees have access to information on the hazards, proper handling, and use of hazardous chemicals, including dental materials.
Dental Office Safety Manuals or Protocols: Dental offices often develop their own safety manuals or protocols that outline specific safety measures for handling dental materials. These may include guidelines on proper storage, handling, personal protective equipment (PPE) requirements, spill cleanup procedures, and waste disposal methods.
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What is the ATP for weeks 1 to 8?
Consider this MPS and the ATP calculations for a firm
Answers
The ATP (Available-to-Promise) for weeks 1 to 8 is the amount of inventory that a firm can commit to fulfilling customer orders within that time frame.
To calculate the ATP, you need to consider the MPS (Master Production Schedule) and the ATP calculations.
1. Start by looking at the MPS for weeks 1 to 8. The MPS represents the planned production quantities for each week.
2. Determine the beginning inventory for week 1. This is the inventory available at the start of week 1.
3. Add the MPS quantity for week 1 to the beginning inventory. This gives you the available inventory for week 1.
4. Subtract customer orders for week 1 from the available inventory. This gives you the remaining inventory after fulfilling customer orders for week 1.
5. Repeat steps 3 and 4 for each subsequent week, using the previous week's remaining inventory as the beginning inventory for the next week.
6. Continue this process until you reach week 8, calculating the available inventory and subtracting customer orders for each week.
7. The resulting values represent the ATP for weeks 1 to 8.
The ATP can fluctuate as new customer orders are received or changes are made to the MPS. Regular monitoring and adjustment of the ATP is necessary to ensure accurate order fulfillment.
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statements.
If temperature is increased then the reaction will happen
because
Answers
how to develop a model that shows a roller coaster cart in four different positions on
a track. You will then use this model to discuss the changes in potential, kinetic, and thermal energy of
the cart as it moves along the track.
Answers
To develop a model that shows roller coaster cart in four different positions on the track : Choose a scale, Gather materials, Design the track, Build the track, Create the roller coaster cart and then Paint and decorate.
How to develop model that shows roller coaster cart in four positions on track ?To develop a model that shows a roller coaster cart in four different positions on a track, you can follow the given steps:
Choose a scale: Decide on a scale for your model. For example, you could use a scale of 1 inch = 1 foot, or 1 centimeter = 1 meter, depending on the size of model.
Gather materials: Gather materials to build your model, such as foam board, cardboard, or any other materials you have available.
Design the track: Draw the track design on your foam board or cardboard using pencil or pen.
Build the track: Cut out the track using a pair of scissors, and then glue the sections together to create complete track.
Create the roller coaster cart: Create a small cart using materials such as foam board or cardboard, and then attach it to track using small clips or tape.
Paint and decorate: Paint the track and cart, and add any additional decorations you want to make the model more realistic.
When the model is complete, you can use it to discuss changes in the potential, kinetic and thermal energy of cart as it moves along the track.
Potential energy: As the cart moves up the track, it gains potential energy due to its increased height above the ground.
Kinetic energy: As the cart moves down the track, it gains kinetic energy due to increased speed.
Thermal energy: As the cart moves along the track, it experiences friction with the track and air around it, which can cause it to lose some of its kinetic energy as thermal energy.
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Use enthalpies of formation to determine the ΔHreaction for the reaction
CaCl2(s)---> CaCl2(aq).
Answers
Answer:
The enthalpy is increased by the increased heat of the reaction.
Explanation:
In this reaction, as the transition from solid to liquid state, enthalpy increases, that is, the heat applied to change its state is greater and this increases, reaching a mayor disorder.
If the reaction increases its heat, and a liquid state passes, the enthalpy increases, therefore the disorder also and the entropy will also be increased.
show how you would use acid to dimerise isopropyl alcohol to form diisopropyl ether.
Answers
The acid-catalyzed dimerization of isopropyl alcohol to form diisopropyl ether can be carried out using a strong acid such as sulfuric acid
To use acid to dimerise isopropyl alcohol and form diisopropyl ether, follow these steps:
1. Start with isopropyl alcohol (C3H8O) as your reactant.
2. Choose an appropriate acid catalyst for the reaction, such as concentrated sulfuric acid (H2SO4).
3. Mix the isopropyl alcohol with the acid catalyst in a reaction vessel. The acid catalyst will protonate the isopropyl alcohol, making it more electrophilic and susceptible to nucleophilic attack.
4. Allow the reaction to proceed under reflux conditions, with continuous heating and cooling to maintain a constant temperature. This will cause the isopropyl alcohol molecules to dimerise by nucleophilic attack, forming a new C-O-C bond between two alcohol molecules.
5. The product of the reaction will be diisopropyl ether (C6H14O), formed by the combination of two isopropyl alcohol molecules.
6. Once the reaction is complete, separate the diisopropyl ether from the reaction mixture through distillation, taking advantage of its different boiling point compared to the starting material and other byproducts.
In summary, to dimerise isopropyl alcohol to form diisopropyl ether, mix it with an acid catalyst such as sulfuric acid, allow the reaction to proceed under reflux conditions, and then separate the diisopropyl ether through distillation.
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60 points please help me i will appreciate it!
Answers
Answer:
\(\huge\boxed{\sf P =624.678 \ kPa}\)
Explanation:
Given:
Volume = v = 4.34 L
Temp = T = 1.0 °C = 1 + 273 = 274 K
Moles = n = 1.19 mol
Gas constant = R = 0.08206 L atm K⁻¹ mol ⁻¹
Required:
Pressure = P = ?
Formula:
Pv = nRT
Solution:
Rearranging formula
\(\displaystyle P = \frac{nRT}{v} \\\\P = \frac{(1.19)(0.08206)(274)}{4.34} \\\\P = \frac{26.8}{4.34} \\\\P = 6.17 atm\\\\\underline{In \ kPa:}\\\\P =624.678 \ kPa\\\\\rule[225]{225}{2}\)