Exam2_Solutions

# 2 the solubility of a gas increases with in creasing

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2. The solubility of a gas increases with in- creasing pressure of the gas above the solu- tion. 3. The solubility of a gas decreases with in- creasing pressure of a gas above the solution. correct 4. The solubility of a gas decreases with increasing temperature. Explanation: Gases become more soluble as pressures increases and temperatures decrease. 028 10.0 points Note: the initial concentrations of N 2 O 4 and H 2 O are zero. Consider the reaction 4 NH 3 (g) + 7 O 2 (g) 2 N 2 O 4 (g) + 6 H 2 O(g) Initially, [NH 3 (g)] = [O 2 (g)] = 3.60 M; at equilibrium [N 2 O 4 (g)] = 0.60 M. Calculate the equilibrium concentration for NH 3 . 1. 3.60 M 2. 2.40 M correct 3. 2.80 M 4. 3.20 M 5. 1.80 M Explanation:
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• Fall '07
• Holcombe

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