The two laws given in this chapter has to be explained in own words.

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Answer 1

Question

Chapter 4, Problem 1QRT

Interpretation Introduction

Interpretation:

The two laws given in this chapter has to be explained in own words.

Expert Solution & Answer

Explanation of Solution

First law of thermodynamics – Law of conservation of energy and Hess’s Law are the two laws stated in given chapter.

First law of thermodynamics – Law of conservation of energy: Energy is always converted from one form to another but it cannot be created or destroyed.

Hess’s Law: The production of specific products from specific reactants involves series of steps. The summation of enthalpy change of that individual steps will be equal to the net reaction enthalpy change.

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Using the conditions of spontaneity to deduce the signs of AH and AS Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions A This reaction is always spontaneous, but proceeds slower at temperatures above 120. °C. ΔΗ is (pick one) AS is (pick one) ΔΗ is (pick one) B This reaction is spontaneous except above 117. °C. AS is (pick one) ΔΗ is (pick one) This reaction is slower below 20. °C than C above. AS is |(pick one) ? 18 Ar 1

Calculating the pH at equivalence of a titration Try Again Your answer is incorrect. 0/5 a A chemist titrates 70.0 mL of a 0.7089 M hydrocyanic acid (HCN) solution with 0.4574M KOH solution at 25 °C. Calculate the pH at equivalence. The pK of hydrocyanic acid is 9.21. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of KOH solution added. pH = 11.43] G 00. 18 Ar B•

Answer 2

Question

Chapter 4, Problem 1QRT

Interpretation Introduction

Interpretation:

The two laws given in this chapter has to be explained in own words.

Expert Solution & Answer

Explanation of Solution

First law of thermodynamics – Law of conservation of energy and Hess’s Law are the two laws stated in given chapter.

First law of thermodynamics – Law of conservation of energy: Energy is always converted from one form to another but it cannot be created or destroyed.

Hess’s Law: The production of specific products from specific reactants involves series of steps. The summation of enthalpy change of that individual steps will be equal to the net reaction enthalpy change.

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Answer 3

Question

Chapter 4, Problem 1QRT

Interpretation Introduction

Interpretation:

The two laws given in this chapter has to be explained in own words.

Expert Solution & Answer

Explanation of Solution

First law of thermodynamics – Law of conservation of energy and Hess’s Law are the two laws stated in given chapter.

First law of thermodynamics – Law of conservation of energy: Energy is always converted from one form to another but it cannot be created or destroyed.

Hess’s Law: The production of specific products from specific reactants involves series of steps. The summation of enthalpy change of that individual steps will be equal to the net reaction enthalpy change.

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Answer 4

Question

Chapter 4, Problem 1QRT

Interpretation Introduction

Interpretation:

The two laws given in this chapter has to be explained in own words.

Expert Solution & Answer

Explanation of Solution

First law of thermodynamics – Law of conservation of energy and Hess’s Law are the two laws stated in given chapter.

First law of thermodynamics – Law of conservation of energy: Energy is always converted from one form to another but it cannot be created or destroyed.

Hess’s Law: The production of specific products from specific reactants involves series of steps. The summation of enthalpy change of that individual steps will be equal to the net reaction enthalpy change.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 4, Problem 1QRT

Interpretation Introduction

Interpretation:

The two laws given in this chapter has to be explained in own words.

Expert Solution & Answer

Explanation of Solution

First law of thermodynamics – Law of conservation of energy and Hess’s Law are the two laws stated in given chapter.

First law of thermodynamics – Law of conservation of energy: Energy is always converted from one form to another but it cannot be created or destroyed.

Hess’s Law: The production of specific products from specific reactants involves series of steps. The summation of enthalpy change of that individual steps will be equal to the net reaction enthalpy change.

Answer 6

Chapter 4, Problem 1QRT

Interpretation Introduction

Interpretation:

The two laws given in this chapter has to be explained in own words.

Expert Solution & Answer

Explanation of Solution

First law of thermodynamics – Law of conservation of energy and Hess’s Law are the two laws stated in given chapter.

First law of thermodynamics – Law of conservation of energy: Energy is always converted from one form to another but it cannot be created or destroyed.

Hess’s Law: The production of specific products from specific reactants involves series of steps. The summation of enthalpy change of that individual steps will be equal to the net reaction enthalpy change.

Answer 7

Chapter 4, Problem 1QRT

Interpretation Introduction

Interpretation:

The two laws given in this chapter has to be explained in own words.

Answer 8

Expert Solution & Answer

Explanation of Solution

First law of thermodynamics – Law of conservation of energy and Hess’s Law are the two laws stated in given chapter.

First law of thermodynamics – Law of conservation of energy: Energy is always converted from one form to another but it cannot be created or destroyed.

Hess’s Law: The production of specific products from specific reactants involves series of steps. The summation of enthalpy change of that individual steps will be equal to the net reaction enthalpy change.