We define the activity of pure liquids as 1 to define the standard state. However, this is an arbitrary choice. Find the equilibrium constant, K, for the autoprotolysis of pure water at 25° C using the molarity standard state for water (i.e. defining the activity as 1 for a water concentration of 1 mol/l). You may take the density of water to be 1.0 g/ml. Express your answer using three significant figures. ? K = Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part B Will K have the same value in this standard state at 60°C? yes no

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Part A
We define the activity of pure liquids as 1 to define the standard state. However, this is
an arbitrary choice. Find the equilibrium constant, K, for the autoprotolysis of pure
water at 25° C using the molarity standard state for water (i.e. defining the activity as
1 for a water concentration of 1 mol/l). You may take the density of water to be 1.0
g/ml.
Express your answer using three significant figures.
?
K =
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 3 attempts remaining
Part B
Will K have the same value in this standard state at 60° C?
yes
no
Submit
Previous Answers
Correct
>
Transcribed Image Text:Part A We define the activity of pure liquids as 1 to define the standard state. However, this is an arbitrary choice. Find the equilibrium constant, K, for the autoprotolysis of pure water at 25° C using the molarity standard state for water (i.e. defining the activity as 1 for a water concentration of 1 mol/l). You may take the density of water to be 1.0 g/ml. Express your answer using three significant figures. ? K = Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part B Will K have the same value in this standard state at 60° C? yes no Submit Previous Answers Correct >
▼
Part C
Estimate K in this standard state at 60° C. Assume constant enthalpy of reaction.
A,H°
55.82 kJ mol-1
Express your answer using three significant figures.
ΑΣφ
?
K =
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 3 attempts remaining
Transcribed Image Text:▼ Part C Estimate K in this standard state at 60° C. Assume constant enthalpy of reaction. A,H° 55.82 kJ mol-1 Express your answer using three significant figures. ΑΣφ ? K = Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
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