1) Using the thermodynamic data below, determine the equilibrium constant for the conversion of oxygen to ozone at 2,000 K. Substance (kJ/mol)
This question has been answered
Question

1) Using the thermodynamic data below, determine the equilibrium constant

for the conversion of oxygen to ozone at 2,000 K.


Substance       (kJ/mol)       (kJ/mol)      S° (J/mol · K)
O2(g)                    0                       0                   205.0
O3(g)                142.3                163.4                237.6
                                   
Select one:
a. 2.67 × 10−8
b. 3.65 × 10−12
c. 2.91 × 10−9
d. 5.44 × 10−14
e. 2.04 × 107


2)
A solution of hydrochloric acid (HCl, 25.00 mL) was titrated to completion with 34.55 mL of 0.1020 M sodium hydroxide. What was the concentration of the hydrochloric acid?
Select one:
a. 0.0533 M
b. 0.2819 M
c. 0.0353 M
d. 0.07048 M
e. 0.1410 M


3)
A solution of hydrochloric acid (HCl, 25.00 mL) was titrated to completion with 34.55 mL of 0.1020 M sodium hydroxide. What was the concentration of the hydrochloric acid?
Select one:
a. 0.0533 M
b. 0.2819 M
c. 0.0353 M
d. 0.07048 M
e. 0.1410 M
4)
Oxidation refers to ________
Select one:
a. an increase in mass.
b. an increase in the atomic number.
c. a gain in the number of protons.
d. a decrease in oxidation number.
e. an increase in oxidation number.
5)
If the free-energy change of the following voltaic cell






is −46.3 kJ, what is the standard potential of the cell?
Select one:
a. −0.240 V
b. +0.240 V
c. +0.480 V
d. +0.080 V
e. −0.080 V
6)
What is the difference between ΔG and ΔG°?
Select one:
a. ΔG° refers to the formation of a compound from its elements; ΔG can be defined for any reaction.
b. ΔG° refers to reactions of one mole quantities of reactants; ΔG is defined for any quantity of reactants.
c. ΔG° refers to a reaction that goes to completion; ΔG is defined for a reaction that goes to any extent.
d. ΔG° refers to the conversion of reactants in their standard state to products in their standard state; ΔG is defined for a reaction under any conditions.
e. ΔG° refers to the formation of a pure compound; ΔG can be defined for an impure compound.
7)
What is the entropy change if 4.500 g of CaCO3(s) is placed in a container and allowed to decompose to CaO(s) and CO2(g) according to the following reaction?


                                                      
 
 
SubstanceS° (J/mol ⋅ K)CaCO3(s)       92.88CaO(s)       39.75CO2(g)      213.6  
Select one:
a. +35.7 J/K
b. −160.5 J/K
c. +7.2 J/K
d. +3.57 J/K
e. +160.5 J/K

Answered by Expert Tutors

fficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus,

lestie consequat, ultrices ac magna. Fusce dui lect


nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Do


sum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur

dictum vitae odio. Donec aliquet. Lorem

et, consectetur adipiscing elit. Nam lacinia pul

a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vita

Step-by-step explanation

16088406826597406784907767351206.jpg16088406422662763604930703695944.jpg16088406148582764565699592215099.jpg

iscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus eff
3 Attachments
16088406148582764565699592215099.jpg
jpg
16088406422662763604930703695944.jpg
jpg
16088406826597406784907767351206.jpg
jpg
Subject: Chemistry, Science
Get unstuck

439,573 students got unstuck by Course
Hero in the last week

step by step solutions

Our Expert Tutors provide step by step solutions to help you excel in your courses