(a) Interpretation: To state the balanced chemical equation for the given reaction. Concept introduction: A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Question

Q2. Consider the hydrogenation of ethylene C2H4 + H2 = C2H6 The heats of combustion and molar entropies for the three gases at 298 K are given by: C2H4 C2H6 H2 AH comb/kJ mol‍¹ -1395 -1550 -243 Sº / J K¹ mol-1 220.7 230.4 131.1 The average heat capacity change, ACP, for the reaction over the temperature range 298-1000 K is 10.9 J K¹ mol¹. Using these data, determine: (a) the standard enthalpy change at 800 K (b) the standard entropy change at 800 K (c) the equilibrium constant at 800 K.

Answer 1

Question

Chapter 20, Problem 20QAP

Interpretation Introduction

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Interpretation Introduction

(b)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Interpretation Introduction

(c)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

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Q2. Consider the hydrogenation of ethylene C2H4 + H2 = C2H6 The heats of combustion and molar entropies for the three gases at 298 K are given by: C2H4 C2H6 H2 AH comb/kJ mol‍¹ -1395 -1550 -243 Sº / J K¹ mol-1 220.7 230.4 131.1 The average heat capacity change, ACP, for the reaction over the temperature range 298-1000 K is 10.9 J K¹ mol¹. Using these data, determine: (a) the standard enthalpy change at 800 K (b) the standard entropy change at 800 K (c) the equilibrium constant at 800 K.

13. (11pts total) Consider the arrows pointing at three different carbon-carbon bonds in the molecule depicted below. Bond B Bond A Bond C a. (2pts) Which bond between A-C is weakest? Which is strongest? Place answers in appropriate boxes. Weakest Bond Strongest Bond b. (4pts) Consider the relative stability of all cleavage products that form when bonds A, B, AND C are homolytically cleaved/broken. Hint: cleavage products of bonds A, B, and C are all carbon radicals. i. Which ONE cleavage product is the most stable? A condensed or bond line representation is fine. ii. Which ONE cleavage product is the least stable? A condensed or bond line representation is fine. c. (5pts) Use principles discussed in lecture, supported by relevant structures, to succinctly explain the why your part b (i) radical is more stable than your part b(ii) radical. Written explanation can be no more than one-two succinct sentence(s)! Google

Print Last Name, First Name Initial Statifically more chances to abstract one of these 6H 11. (10pts total) Consider the radical chlorination of 1,3-diethylcyclohexane depicted below. 4 4th total • 6H total 래 • 4H total 21 total ZH 2H Statistical H < 3° C-H weakest - product abstraction here bund leads to thermo favored a) (6pts) How many unique mono-chlorinated products can be formed and what are the structures for the thermodynamically and statistically favored products? Product 6 Number of Unique Mono-Chlorinated Products Thermodynamically Favored Product Statistically Favored Product b) (4pts) Draw the arrow pushing mechanism for the FIRST propagation step (p-1) for the formation of the thermodynamically favored product. Only draw the p-1 step. You do not need to include lone pairs of electrons. No enthalpy calculation necessary H H-Cl Waterfox

Answer 2

Question

Chapter 20, Problem 20QAP

Interpretation Introduction

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Interpretation Introduction

(b)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Interpretation Introduction

(c)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

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Answer 3

Question

Chapter 20, Problem 20QAP

Interpretation Introduction

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Interpretation Introduction

(b)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Interpretation Introduction

(c)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

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Answer 4

Question

Chapter 20, Problem 20QAP

Interpretation Introduction

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Interpretation Introduction

(b)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Interpretation Introduction

(c)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

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Answer 5

Chapter 20, Problem 20QAP

Interpretation Introduction

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Interpretation Introduction

(b)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Interpretation Introduction

(c)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Answer 6

Chapter 20, Problem 20QAP

Interpretation Introduction

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Answer 7

Chapter 20, Problem 20QAP

Interpretation Introduction

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Answer 8

Interpretation Introduction

(b)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Answer 9

Interpretation Introduction

(b)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Answer 10

Interpretation Introduction

(c)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Answer 11

Interpretation Introduction

(c)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.

Answer 12

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Ch. 20 - Write a balanced equation to represent the...Ch. 20 - Write a balanced equation to represent the...Ch. 20 - Write a balanced equation to represent (a) the...Ch. 20 - Prob. 4QAP Ch. 20 - Prob. 5QAP Ch. 20 - Prob. 6QAP Ch. 20 - Prob. 7QAP Ch. 20 - Prob. 8QAP Ch. 20 - Prob. 9QAP Ch. 20 - Zinc is produced by electrolytic refining. The...

(a) Interpretation: To state the balanced chemical equation for the given reaction. Concept introduction: A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Solution Summary: The author states the balanced chemical equation for the given reaction. The number of atoms of all the elements is equal on both the sides of the equation.

(a)

Interpretation:

To state the balanced chemical equation for the given reaction.

Concept introduction:

A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation.

Chapter 20 Solutions