Plz Help!

Make a funny sentence for flammability and compounds for Magnesium

from google, so I think the answer to that question is the second one

Temperature of 40.3°C would be 104.74°F when converted from Celsius to Fahrenheit using the conversion formula.

temperature is measured as 40.3°C while vacationing in Europe, you can convert it to Fahrenheit using the formula:

°F = (°C × 9/5) + 32

Substituting the given value:

°F = (40.3 × 9/5) + 32

°F = 72.54 + 32

°F ≈ 104.74

Therefore, your temperature would be  104.74°F.

It is important to note that a temperature of 40.3°C corresponds to a significant fever, regardless of the scale used. It is advisable to seek medical attention if you are feeling sick with such a high temperature.

The Celsius (°C) and Fahrenheit (°F) scales are two commonly used temperature scales.

The Celsius scale is based on the freezing and boiling points of water, where 0°C represents the freezing point and 100°C represents the boiling point.

The Fahrenheit scale, commonly used in the United States, also has the freezing and boiling points of water but at different values, where 32°F represents the freezing point and 212°F represents the boiling point.

The conversion formula allows for easy conversion between the two scales.

To know more about Fahrenheit refer here

https://brainly.com/question/516840#

#SPJ11

The reaction between chromate ester and water is a part of a huge and consecutive reaction called Jones reaction.

In this reaction, alcohol is converted to chromic acid in presence of jones reagent, chromic acid is further converted to chromate ester.

Now the obtained chromate ester has one or more unstable alpha hydrogens and in presence of basic species like water it yields an aldehyde or ketone as the organic product.

                                  O                                    O

                                   ll                                     ll

R--R'CH--OH + H-O--Cr--OH  ---->  R-R'CH-O-Cr--OH  +H₂O

                                  ll                                      ll

                                 O                                     O

Alcohol                Chromic acid               chromate ester

Further, let us understand the reaction of chromate ester with water with an example:

                    O                                                  O

                     ll                                                  ll

(CH₃)CHO---Cr---OH  + H₂O ---->(CH₃)CO + Cr--OH   +H₃O⁺

                    ll                                                  ll

                   O                                                  O

TO know more about ketone here

brainly.com/question/12308782

#SPJ4

When the dry ingredients of a cake are combined, the result is a mixture. Option 3.

In chemistry, mixtures are substances that are obtained by mixing two or more chemically different substances together with each substance maintaining its chemical identity. In other words, the components of a mixture are still chemically unique and can be separated by physical means.

Mixtures can be homogeneous or heterogeneous. Homogenous mixtures are mixtures in which the components are uniformly dispersed throughout the entire mixture. For heterogeneous mixtures, the components are not uniform throughout the mixture.

Thus, when the dry ingredients of a cake, such as flour, sugar, etc., are combined, what we are going to have is a mixture. Whether this mixture would be homogenous or heterogeneous will depend on the level of mixing. Whatever the case may be, the components can still be separated by physical means.

More on mixtures can be found here: https://brainly.com/question/24898889

#SPJ1

Answer:

option d. 56/26 Fe is the correct answer.

The electron-pushing mechanism for the decarboxylation reaction involves the addition of three curved arrows. The reaction starts with a carboxylic acid, which undergoes a proton transfer to form a carboxylate anion. The carboxylate anion then experiences nucleophilic attack by a base, leading to the formation of a cyclic intermediate. The cyclic intermediate undergoes ring opening, resulting in the expulsion of carbon dioxide and the formation of a new bond. The electron-pushing mechanism helps illustrate the movement of electrons throughout the reaction, highlighting the formation and breaking of bonds.

In the decarboxylation reaction, we start with a carboxylic acid, which is represented by the structure: C(O)OH. The first step involves the proton transfer, where a curved arrow is drawn from one of the lone pairs on the oxygen of the carboxylic acid to the hydrogen atom attached to the same oxygen. This proton transfer leads to the formation of a carboxylate anion, depicted as C(O)O-.

The second step involves nucleophilic attack by a base. Draw a curved arrow from the lone pair on the oxygen of the carboxylate anion to the carbon atom adjacent to the carbonyl group. This movement of electrons results in the formation of a cyclic intermediate. The cyclic intermediate is represented by a ring structure formed by the interaction between the carbon atom and the oxygen atom of the carboxylate group.

The third step involves ring opening. Draw a curved arrow from the carbon atom of the cyclic intermediate to the oxygen atom of the carboxylate group. This movement of electrons breaks the bond between the carbon atom and the oxygen atom, resulting in the expulsion of carbon dioxide (CO2). Simultaneously, a new bond is formed between the carbon atom and the neighboring atom (not specified in the given question).

The overall reaction can be summarized as the decarboxylation of a carboxylic acid, leading to the removal of a carbon dioxide molecule and the formation of a new bond. The electron-pushing mechanism helps visualize the flow of electrons during the reaction, highlighting the formation and breaking of bonds at each step.

Learn more about compounds here:

brainly.com/question/14117795

#SPJ11

The appropriate blanks in the sentences on the right. Q> Kp. The system will respond by shifting to the left, or the side of the reactants.

Step 1: Information is provided

Kp = 2.4 * 10^-4

H2 has a partial pressure of 0.111 atm.

S2 is a partial pressure of 0.051 atm.

H2S partial pressure is equal to 0.566 atm.

Step 2: The equation that is balanced

2H2(g) + S2 = 2H2S(g) (g)

Step 3: Determine Q

Q is equal to (pS2 * (pH2) / (pH2S)2.

Q = (0.051 * 0.111²) / (0.566²)

Q = 0.00196 =1.96 *10^-3

Q> Kp

We have more products than reactants since Q>K. (pressure). The system will respond by shifting to the left, or the side of the reactants.

To learn more about reactants refer to:

https://brainly.com/question/26283409

#SPJ4

10g of Fe produces 14.37g of \(Fe_2O_3\) and 7g of \(O_2\) produce 46.84g of \(Fe_2O_3\)

The limiting reactant (or limiting reagent) is the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed

Write the balanced equation for the reaction taking place:

4Fe + 3 \(O_2\)  ==> 2 \(Fe_2O_3\) (rust)

Use the stoichiometry of the balanced equation and dimensional analysis to find limiting reagent & grams of  \(Fe_2O_3\):

10 g Fe x 1 mol Fe/55.85 g x 2 mol  \(Fe_2O_3\)/4 mol Fe x 160 g/mol

\(Fe_2O_3\) = 14.37 g  \(Fe_2O_3\) (2 Significant figures)

7 g \(O_2\) x 1 mol \(O_2\)/32 g x 2 mol  \(Fe_2O_3\)/3 mol \(O_2\) x 160 g/mol

\(Fe_2O_3\) = 46.84 g  \(Fe_2O_3\) (2 Significant figures)

Hence, 10g of Fe produces 14.37g of \(Fe_2O_3\) and 7g of \(O_2\) produce 46.84g of \(Fe_2O_3\)

Learn more about Limiting Reagent here ;

https://brainly.com/question/1059823

#SPJ1

Explanation:

—COOH and —NH₂

Carboxylic Acid and Amino

Answer:

When ions are made of a single atom, such as Li+1, they are called monatomic ions

Explanation:

Any atom or molecule with a net charge, either positive or negative, is known as an ion. An ion consisting of a single atom is a monoatomic ion; an ion consisting of two or more atoms is referred to as a polyatomic ion.

True Liquids and solids exhibit practically no change of solubility with changes in pressure.

Solids are one of the four basic states of matter. Molecules in solids are densely packed and contain minimal kinetic energy. Solids are characterized by their structural rigidity and resistance to forces applied to their surfaces.

Solids have a specific shape and volume because the molecules that make them up are close together and move slowly. Solids are often crystalline. Examples of crystalline solids are table salt, sugar, diamonds, and many other minerals.

There are two main categories of solids: crystalline and amorphous. Crystalline solids are well-ordered at the atomic level while amorphous solids are disordered. There are four types of crystalline solids molecular solids, network solids, ionic solids, and metallic solids.

Learn more about solids here:-https://brainly.com/question/10813056

#SPJ4

Answer: The layers of the rocks in one region of the parks are smooth and distinct, which are evidence of many, many years of deposition. The layers on the rocks are because of different deposition of sediments. Different sediments deposited over the rocks through wind, water and ice over the ages

Explanation:

Answer: The layers of the rocks in one region of the parks are smooth and distinct, which are evidence of many, many years of deposition. The layers on the rocks are because of different deposition of sediments. Different sediments deposited over the rocks through wind, water and ice over the ages

Hope we helped alot! :)

When given 20.76 moles of H2 and plenty of O2, you can make 20.76 moles of H2O.

To determine how many moles of H2O can be produced from 20.76 moles of H2 and plenty of O2, we'll use the balanced chemical equation provided: 2H2 + 1O2 --> 2H2O.

Step 1: Identify the limiting reactant. In this case, we have plenty of O2, so H2 is the limiting reactant.

Step 2: Determine the mole ratio between the limiting reactant (H2) and the product (H2O). According to the balanced equation, the mole ratio is 2H2 to 2H2O, or 1:1.

Step 3: Calculate the moles of H2O produced. Since the mole ratio is 1:1, the number of moles of H2O produced will be the same as the number of moles of H2 available. Thus, you can produce 20.76 moles of H2O.

In summary, when given 20.76 moles of H2 and plenty of O2, you can make 20.76 moles of H2O.

To know more about moles, visit:

https://brainly.com/question/31597231#

#SPJ11

The statement, which solely follows the lock and key model is that the active site of the enzyme possesses a rigid composition complementary to that of a substrate.

The substrate serves as the key and the enzyme serves as the lock in the lock and key model. This model demonstrates that the substrate has a specific form that only allows it to fit in the enzyme and prevents the binding of any other substrate. According to the induced fit model, when an enzyme's active site interacts with the proper substrate, the enzyme modifies its configuration to conform to the structure of the molecule.

The statement which follows the induced fit model is that the conformation of the enzyme changes when it combines with the substrate so that the active site fits with the substrate.

Both models imply the statements that the substrate and enzyme interact noncovalently and that the binding of the substrate to the active site of the enzyme results in an enzyme-substrate complex.

For more questions like Enzyme click the link below:

https://brainly.com/question/7197043

#SPJ4

Addition of  boiled, deionized water to the titrating flask to wash the wall of the erlenmeyer flask and the buret tip will have no effect on the Ksp value of ca(oh)2.

There will be no effect on the Ksp value as boiled deionised water is not able to alter the number of hydronium and hydroxide ions. As no change in the ions happen so there will be no change in Ksp value. The equilibrium constant for a solid material dissolving in an aqueous solution is the solubility product constant, Ksp. It stands for the degree of solute dissolution in solution. A substance's Ksp value increases with how soluble it is.

To know more about, solubility product constant, click here,

brainly.com/question/6960236

#SPJ4

8) Percent yield = (0.48 g / 36 g) x 100% = 1.33%

9) Percent yield = (248 g / 176 g) x 100% = 141%

10) Percent yield = (45 g / 120 g) x 100% = 37.5%

The same units must be used for both the theoretical and actual yields (moles or grams). A chemical reaction produces 0.5 g of product. The calculated yield is 1.6 g at its highest. What is the reaction's yield in terms of percent? Actual yield minus theoretical yield equals 100% in percentage yield. The reaction's percentage yield is 31.25% as a result.

8) Known: 2 H2(g) + O2(g) → 2 H2O(1)

Unknown: percent yield

Steps:

Calculate the theoretical yield of water by using the balanced equation.

Compare the theoretical yield to the actual yield of water obtained from the experiment.

Use the formula: (Actual yield / Theoretical yield) x 100% = percent yield

Solution:

Theoretical yield of water = (2 moles H2 x 18 g/mol H2O) = 36 g

Actual yield of water = 0.48 g

Percent yield = (0.48 g / 36 g) x 100% = 1.33%

9) Known: 2 C2H6(g) + 7 O2(g) → 6 H2O(l) + 4 CO2(g)

Unknown: percent yield

Steps:

Calculate the theoretical yield of CO2 by using the balanced equation.

Compare the theoretical yield to the actual yield of CO2 obtained from the experiment.

Use the formula: (Actual yield / Theoretical yield) x 100% = percent yield

Solution:

Theoretical yield of CO2 = (2 moles C2H6 x (4 moles CO2 / 2 moles C2H6)) = 4 moles CO2

Theoretical yield of CO2 = 4 moles CO2 x (44 g/mol CO2) = 176 g

Actual yield of CO2 = 248 g

Percent yield = (248 g / 176 g) x 100% = 141%

10) Known: 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(1)

Unknown: percent yield

Steps:

Calculate the theoretical yield of NO by using the balanced equation.

Compare the theoretical yield to the actual yield of NO obtained from the experiment.

Use the formula: (Actual yield / Theoretical yield) x 100% = percent yield

Solution:

Theoretical yield of NO = (4 moles NH3 x (4 moles NO / 4 moles NH3)) = 4 moles NO

Theoretical yield of NO = 4 moles NO x (30 g/mol NO) = 120 g

Actual yield of NO = 45 g

Percent yield = (45 g / 120 g) x 100% = 37.5%

To know more about chemical reaction's yield in percentage terms visit:

https://brainly.com/question/14962135

#SPJ1

Answer:

58.8C of heat

Explanation:

76.9C is the current heat temperature, to decrease it to 18.1C we have to subtract the both and later find our answer

If phosphate has the ability to absorb uv or vis light. most likely the anion absorb light but such absorbance is PO¹²⁻

Phosphate ion absorbs ultraviolet and visible light with the help of the colorimetric methods that measure the absorbance of a sample at a particular wavelength. Phosphate ion is an important constituent in living organisms, i performs essential functions in DNA, RNA, ATP, and cell membranes. Phosphate ion can be detected by various methods such as gravimetric analysis, ion exchange chromatography, spectrophotometric analysis, etc. The absorbance of phosphate ion is dependent on its concentration, the more the concentration of phosphate ion, the more it absorbs UV and visible light.

Therefore, phosphate ion can be quantitatively determined by measuring the absorbance at a specific wavelength using a UV-visible spectrophotometer. UV-visible spectrophotometers work on the principle of Beer-Lambert's law that states that the absorbance of a sample is proportional to its concentration and path length of the sample. The absorbance of phosphate ion in the ultraviolet region (200–400 nm) is due to the presence of the PO¹²⁻ ion in the sample. The PO¹²⁻ ion has an electronic transition that can absorb the light in the UV region. Therefore, phosphate ion can absorb UV light, this is how we can detect phosphate ion by UV-visible spectrophotometry.

To know more about Beer-Lambert's law here

https://brainly.com/question/30404288

#SPJ11

The new concentration after dilution is 0.2 M.

This problem can be solved using the formula for dilution:

M1V1 = M2V2

where M1 is the initial concentration, V1 is the initial volume, M2 is the final concentration, and V2 is the final volume.

Substituting the given values, we get:

(0.6 M)(25 mL) = M2(75 mL)

Solving for M2, we get:

M2 = (0.6 M)(25 mL)/(75 mL) = 0.2 M

The result can also be explained using the concept of mole conservation. The number of moles of the solute before and after dilution must remain the same. Since the initial moles of solute is given by:

n1 = M1V1 = (0.6 M)(25 mL) = 15 mmol

The final moles of solute can be found using:

n2 = M2V2 = (0.2 M)(75 mL) = 15 mmol

Since n1 = n2, we can confirm that the new concentration is 0.2 M after dilution.

In conclusion, the new concentration of the solution after dilution is 0.2 M.

For more question on dilution click on

https://brainly.com/question/27097060

#SPJ11

Answer:

because the lighted splint is burnt and the water and carbon dioxide starts to explode

.Answer:

Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period.

Explanation:

The volume of 0.500-M KOH(aq) should be added to 100 ml of a buffer solution initially containing 0.13 mol HF and 0.16 mol of NaF is 100 mL of 0.500 M KOH. ka = 6.8 × 10⁴ and pH is 3.59

given that :

ka = 6.8 × 10⁴

and pH is 3.59

moles of HF = 0.13 mol

moles of NaF = 0.16 mol

the pH formula is given as :

pH = pka + log [base]/[acid]

pH = -log(6.8 × 10⁻⁴) + log (0.16 ) / 0.13

pH =  3.33  + 0.0899

pH = 3.5

Thus, the volume of 0.500 M KOH should be added to a buffer solution 0.500 M.

To learn more about buffer solution here

https://brainly.com/question/24262133

#SPJ4

The net ionic equations of the reactions are;

3Mn^3+(aq) + 4PO4^3-(aq) ----> Mn3(PO4)4(s)

Pd^2+(aq)  +  S^2-(aq) ----> PdS(s)

A net ionic equation is a chemical equation that shows only the species that participate in a reaction and contribute to the formation of a product or the consumption of a reactant.

It excludes any spectator ions that do not undergo a chemical change. In other words, it shows the actual chemical species that are involved in the reaction.

Learn more about net ionic equation:https://brainly.com/question/29299745

#SPJ1

The following statements on HPLC modes are true is more polar compounds elute first in normal-phase HPLC (Option E).

The liquid chromatography (HPLC) is a technique in analytical chemistry employed for the separation, identification, and quantification of elements. It is considered a highly sensitive method, and it works by separating the components in a mixture with the assistance of a solvent under high pressure.

There are two modes of HPLC: Reversed-Phase HPLC (RP-HPLC) and Normal-Phase HPLC (NP-HPLC). In RP-HPLC, a nonpolar stationary phase, such as C18, is used, and polar solvents, such as water, are used as mobile phases. Polar stationary phases, such as silica gel, are used in NP-HPLC, while nonpolar solvents, such as hexane, are used as mobile phases.

More polar compounds have a greater affinity for the polar stationary phase than less polar compounds, which have a higher affinity for the nonpolar mobile phase in NP-HPLC. As a result, less polar compounds elute first in normal-phase HPLC.

Thus, the correct option is E.

Learn more about HPLC: https://brainly.com/question/13490391

#SPJ11

A chemical combination of matter in definite (fixed) proportions is called a compound. Compounds are formed when two or more different elements chemically combine in fixed proportions to form a new substance.

The proportions of the elements in a compound are always the same, which gives them their characteristic properties. Pure substances can be either elements or compounds, while physical mixtures consist of two or more substances that are physically combined, but not chemically bonded. An emulsion is a type of physical mixture where two immiscible liquids are mixed together with the help of an emulsifying agent.
A chemical combination of matter in definite (fixed) proportions is called a(n): compound. A compound consists of two or more elements combined in a specific ratio, resulting in a new substance with unique properties. This differs from a physical mixture or an emulsion, which involve mixing substances without a fixed proportion or forming new substances. A pure substance can either be an element or a compound, but in this case, the term "combination" indicates a compound specifically.

For more information on compound visit:

brainly.com/question/30904369

#SPJ11

The hybrid orbitals used by the bolded atom in acetone (CH₃COCH₃) are sp2 (Option B).

Hybrid orbitals result when atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. The wave functions combine through a process called hybridisation. The central carbon atom is bonded to three other atoms: two carbon atoms and one oxygen atom. It has a double bond with the oxygen atom and single bond with the two carbon atoms. This arrangement corresponds to a trigonal planar geometry, which means the hybrid orbitals used by the central carbon atom in acetone are sp2.

Thus, the correct option is B (sp2).

Learn more about hybrid orbitals: https://brainly.com/question/16251845

#SPJ11

The molar concentration of a solution containing 469 grams of C6H12O6 in 82 milliliters of water is 31.7M.

The number of moles = 469g ÷ 180.156g/mol = 2.6mol

Volume of water in litres = 82/1000 = 0.082L

Concentration of solution = 2.6mol ÷ 0.082L = 31.71M

Therefore, the molar concentration of a solution containing 469 grams of C6H12O6 in 82 milliliters of water is 31.7M.

Learn more about concentration at: https://brainly.com/question/202460