Solve the following problems. I. Predict the following reaction, whether its spontaneous or non-spontaneous. a. 2NaOH (s) + CO2 (g) -----> Na2CO3 (s) + 2H2O (l) b. 2Fe (s) + 3H2O (g) -----> Fe2O3( s) + 3H2 (g) II. Read each question carefully. Write your answer in the space provided. _______ 1. The thermodynamic quantity that expresses the degree of disorder in a system is ______. a. Entropy b. Internal energy c. Heat flow d. Enthalpy ________ 2. Which of the following is always positive when a spontaneous process occurs? a. ∆Huniv b. ∆Hsurr c. ∆Ssurr d. ∆Suniv e. ∆Ssys ________ 3. Which one of the following processes produces a decrease in the entropy of the system? a. Dissolution of solid KCl in water b. Mixing of two gasses into one container c. Freezing water to form ice d. Melting ice to form water e. Boiling water to form steam
Solve the following problems.
I. Predict the following reaction, whether its spontaneous or non-spontaneous.
a. 2NaOH (s) + CO2 (g) -----> Na2CO3 (s) + 2H2O (l)
b. 2Fe (s) + 3H2O (g) -----> Fe2O3( s) + 3H2 (g)
II. Read each question carefully. Write your answer in the space provided.
_______ 1. The
a. Entropy
b. Internal energy
c. Heat flow
d. Enthalpy
________ 2. Which of the following is always positive when a spontaneous process occurs?
a. ∆Huniv
b. ∆Hsurr
c. ∆Ssurr
d. ∆Suniv
e. ∆Ssys
________ 3. Which one of the following processes produces a decrease in the entropy of the system?
a. Dissolution of solid KCl in water
b. Mixing of two gasses into one container
c. Freezing water to form ice
d. Melting ice to form water
e. Boiling water to form steam
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