Identify and explain one alternate view to the neoclassical view. What does this view consider that the neoclassical view does



not?

1) List known values.

sample: 0.600 mol

Pressure: 1.0 atm

Temperature: 15ºC

Constant: 0.082057 L⋅atm⋅K−1⋅mol−1

List unknown values

Volume:

2) Set the equation and solve for V.

3) Converting to proper units.

15ºC + 273.15 = 288.15 K

4) Plug in known values.

n: 0.600 mol

R: 0.082057 L⋅atm⋅K−1⋅mol−1

T: 288.15 K

P: 1.0 atm

The sample will occupy a volume of 14.19 L.

Answer:

3CuCl₂   +    2Na₃PO₄  →   Cu₃(PO₄)₂   +  6NaCl

Explanation:

The reaction expression is given as:

   CuCl₂   +    Na₃PO₄  →   Cu₃(PO₄)₂   +  NaCl

To balance this expression, let us assign coefficients a, b, c and d;

     aCuCl₂   +    bNa₃PO₄  →   cCu₃(PO₄)₂   +  dNaCl

Conserving Cu: a  = 3c

                    Cl:  2a = d

                    Na:  3b = d

                     P:   b  = 2c

                    O:  4b  = 8c

let as  c = 1, a  = 3, d  = 6 , b  = 2

        3CuCl₂   +    2Na₃PO₄  →   Cu₃(PO₄)₂   +  6NaCl

Answer:

boron-11

Explanation:

When an isotope emits a positron and produces boron-11, it is the isotope beryllium-11 (Be-11).

Beryllium-11 (Be-11) is an unstable isotope of beryllium. It has a proton number of 4, which means it normally has four protons in its nucleus. However, in this case, it undergoes a process known as positron emission.

During positron emission, one of the protons in the nucleus of beryllium-11 transforms into a neutron. This conversion process releases a positron (a positively charged electron) and results in the formation of boron-11 (B-11), which has five protons and six neutrons in its nucleus.

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Answer:

no, amu of carbon is 12 . if it changes the element will change

Answer:

A. an increase in boiling point

Explanation:

A decrease in vapor pressure will cause an increase in the boiling point of a substance.

An increase in vapor pressure will decrease the boiling point.

The ratio of atoms determines the empirical formula of adipic acid. As a result, C₂H₂O is the empirical formula for adipic acid.

To determine the empirical formula of adipic acid based on the given percentages of carbon (C), oxygen (O), and hydrogen (H) by mass, we need to convert these percentages into moles and then find the simplest whole number ratio.

Assume we have 100 grams of adipic acid. This assumption allows us to directly convert the percentages into grams.

Mass of C = 49.32 g

Mass of O = 43.84 g

Mass of H = 6.85 g

Convert the masses of each element into moles by dividing by their respective molar masses:

Molar mass of C = 12.01 g/mol

Molar mass of O = 16.00 g/mol

Molar mass of H = 1.01 g/mol

\(\text{Moles of C} = \frac{{49.32 \, \text{g}}}{{12.01 \, \text{g/mol}}} \approx 4.107 \, \text{mol}\)

\(\text{Moles of O} = \frac{{43.84 \, \text{g}}}{{16.00 \, \text{g/mol}}} \approx 2.740 \, \text{mol}\)

\(\text{Moles of H} = \frac{{6.85 \, \text{g}}}{{1.01 \, \text{g/mol}}} \approx 6.792 \, \text{mol}\)

Determine the simplest whole number ratio of the moles by dividing each mole value by the smallest mole value:

\(\text{Moles of C} = \frac{{49.32 \, \text{g}}}{{12.01 \, \text{g/mol}}} \approx 4.107 \, \text{mol}\)

\(\text{Moles of O} = \frac{{43.84 \, \text{g}}}{{16.00 \, \text{g/mol}}} \approx 2.740 \, \text{mol}\)

\(\text{Moles of H} = \frac{{6.85 \, \text{g}}}{{1.01 \, \text{g/mol}}} \approx 6.792 \, \text{mol}\)

Round the mole ratios to the nearest whole number:

Moles of C ≈ 2

Moles of O ≈ 1

Moles of H ≈ 2

The empirical formula of adipic acid is determined by the ratio of atoms. Therefore, the empirical formula of adipic acid is C₂H₂O.

Note: The molecular formula of adipic acid may be a multiple of the empirical formula, indicating a higher number of atoms in the actual molecule.

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C. The theoretical yield of aspirin is found to be 4.2g

The largest amount of product that could be generated from the provided reactant amounts is termed as the theoretical yield. The quantity of product that actually formed during the reaction in a laboratory environment is known as the actual yield.

C₇H₆O₃ + C₄H₆O₃→ C₉H₈O₄ ( aspirin)

No of moles of  salicylic acid => 3.2/138.122 => 0.023 mol

no of moles of acetic anhydride => 1.08 g/mL x 6.3 mL / 102.089 g/mol

                                                        => 0.066mol

salicylic acid is limiting reagent

Theoretical yield calculated:

1 mole of salicylic acid=> 1 mole of aspirin

      Hence,  0.023  mol of aspirin formed in this reaction.

Theorectical yield of aspirin =>  0.023 mol x 180g/mol => 4.2g

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Answer: The middle hydrogen is surrounded by 4 electrons, the middle hydrogen is bonded to 2 elements, and there are too many electrons in the final structure are correct.

Explanation: I just did this question and got the correct answers.

The incomplete points about the structure H—H-O: is that the middle hydrogen is surrounded by 4 electrons, the middle hydrogen is bonded to 2 elements, and there are too many electrons in the final structure are correct.

For better understanding let's explain the Lewis structure

From the above we can therefore say that the answer The incomplete points about the structure H—H-O: is that the middle hydrogen is surrounded by 4 electrons, the middle hydrogen is bonded to 2 elements, and there are too many electrons in the final structure, is correct.

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As the reaction between the two gases proceeds, the volume of the container will decrease due to the formation of a new gas, XY, which takes up less space than the two gases combined.

In a closed system, the decrease in volume is accompanied by an increase in pressure, as the molecules of XY have less space to move around in than the molecules of X and Y.

This is because the increased pressure will cause the molecules to move faster, thereby increasing the kinetic energy of the system. This increase in temperature will cause the reaction to speed up, leading to more molecules of XY being formed. As the reaction continues, the pressure, temperature, and volume will continue to change in a dynamic equilibrium until all the reactants are used up.

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Answer:

The correct option is 2.

Explanation:

In a nuclear reaction balanced we have that:

1. The sum of the mass number (A) of the reactants (r) is equal to the sum of the mass number of the products (p) \( \Sigma A_{r} = \Sigma A_{p} \)

2. The sum of the atomic number (Z) of the reactants is also equal to the sum of the atomic number of the products \(\Sigma Z_{r} = \Sigma A_{p}\)      

So, let's evaluate each option.

1) \(^{23}_{11}Na \rightarrow ^{24}_{11}Mg + ^{1}_{1}H\)

The mass number of the reactant is:

\(A_{r} = 23 \)

The sum of the mass number of the products is:

\( A_{p} = 24 + 1 = 25 \)

This is not the correct option because it does not meet the first condition (\( \Sigma A_{r} = \Sigma A_{p}\)).

2) \(^{24}_{11}Na \rightarrow ^{24}_{12}Mg + ^{0}_{-1}e\)  

The mass number of the reactant and the products is:

\(A_{r} = 24 \)

\( A_{p} = 24 + 0 = 24 \)

Now, the atomic number of the reactants and the products are:

\(Z_{r} = 11 \)

\( Z_{p} = 12 + (-1) = 11 \)      

This nuclear reaction is balanced since it does meet the two conditions for a balanced nuclear equation, (\( \Sigma A_{r} = \Sigma A_{p}\) and \( \Sigma Z_{r} = \Sigma Z_{p}\)).  

3) \(^{24}_{13}Al \rightarrow ^{24}_{12}Mg + ^{0}_{-1}e\)      

The mass number of the reactant and the products is:

\(A_{r} = 24 \)

\( A_{p} = 24 + 0 = 24 \)

Now, the atomic number of the reactants and the products are:

\(Z_{r} = 13 \)

\( Z_{p} = 12 + (-1) = 11 \)      

This reaction does not meet the second condition (\( \Sigma Z_{r} = \Sigma Z_{p}\)) so this is not a balanced nuclear equation.

4) \(^{23}_{12}Mg \rightarrow ^{24}_{12}Mg + ^{1}_{0}n\)

The mass number of the reactant and the products is:

\(A_{r} = 23 \)

\( A_{p} = 24 + 1 = 25 \)  

This reaction is not a balanced nuclear equation since it does not meet the first condition (\( \Sigma A_{r} = \Sigma A_{p}\)).

Therefore, the correct option is 2.

I hope it helps you!

Answer:

B. Knowing the color and brightness of a star

Explanation:

Answer:

Answer:

Explanation:

1. Atomic mass number of an element equals:

The number of protons in an atom?

2. H20 chemical formula is an example of:

Molecules and compound

Answer:

302.40

Explanation:

i had the same question on a test

Sound waves is not the form of electromagnetic radiation.

The information regarding electromagnetic radiation is as follows:

Therefore we can conclude that sound waves is not the form of electromagnetic radiation.

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Parts of the population were liberated from the need on food collecting and hunting as a result of the rivers' provision of an abundance of drinkable water and fertile land to start cultivating food crops.

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Answer:

for pH 13 it = strong based the ph 2 is= weak acid

Explanation:

The conversion of the following moles to grams is as follows:

The number of moles of a substance can be converted to mass using the following formula:

moles = mass ÷ molar mass

According to this question, 0.989 moles of phosphorus and 1.21 moles of carbon dioxide is given. The mass can be calculated as follows:

mass of phosphorus = 31 × 0.989 = 30.659g

mass of carbondioxide = 44 × 1.21 = 53.24g

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Answer:

fe

Explanation:

forms one binary compounds with chlorine

Superheating the steam to a higher temperature improves the cycle efficiency.

Superheating the steam to a higher temperature in a simple ideal Rankine cycle improves the cycle efficiency. In a Rankine cycle, the working fluid undergoes four processes: expansion in a turbine, condensation in a condenser, pumping to increase pressure, and heating in a boiler. The cycle efficiency depends on the temperature at which heat is added to the working fluid (boiler temperature) and the temperature at which heat is rejected (condenser temperature). By superheating the steam to a higher temperature before it enters the turbine, the temperature difference between the boiler and the condenser increases. This leads to an improvement in the cycle efficiency.

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Answer:

chemical energy

Explanation:

A battery stores energy in the form of chemical energy. Chemical energy is stored in the bond of atoms and molecules. These bonds break and convert to other forms of energy. In the given case, the chemical energy is converted to electric energy which powers the flashlight. Thus, flashlight receives energy input in the form of chemical energy.