(Answered) 1 which of the following changes has a decrease in

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1. Which of the following changes has a decrease in entropy?

N2O4 (g) ______ 2NO2 (g)

C2H5OH (l) + 3 O2 (g) _____ 2CO2 (g) + 3H2O (g)

3O2 (g) + 2KCL) (s) _____ 2 KClO3 (s)

H2O (l) _____ H2O (g)

2. Which of the following processes involves an increase in entropy?

a) condensing water vapor

b) melting gold bars

c) filtering grounds from coffee

d) freezing popsicles

3. Describe in detail what you know about the enthalpy, entropy, and free energy changes when a sample of gas condenses to a liquid. How does temperature affect these changes?

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