1. Use the following reactions to determine the Delta Hrxn for P4O10(s) + 6H2O(l) 4H3PO4(l) 4P(s) + 5O2(g)---> P4O10(s). Delta H = -2984kJ 2H2(g) + O2(g)---> 2H2O(l) Delta H = -570kJ 2P(s) + 4O2(g) + 3H2(g)---> 2H3PO4(l). Delta H = -2534kJ B. Is the reaction exothermic or endothermic? C. Given Sof P4O10(s) = 228.9 J mol-1 K-1; Sof H2O(l) = 69.9 J mol-1 K-1; Sof H3PO4(l) = 241.98 J mol-1 K-1 calculate the DGrxn at 28.0oC. D. Is this reaction spontaneous or nonspontaneous?
1. Use the following reactions to determine the Delta Hrxn for P4O10(s) + 6H2O(l) 4H3PO4(l) 4P(s) + 5O2(g)---> P4O10(s). Delta H = -2984kJ 2H2(g) + O2(g)---> 2H2O(l) Delta H = -570kJ 2P(s) + 4O2(g) + 3H2(g)---> 2H3PO4(l). Delta H = -2534kJ B. Is the reaction exothermic or endothermic? C. Given Sof P4O10(s) = 228.9 J mol-1 K-1; Sof H2O(l) = 69.9 J mol-1 K-1; Sof H3PO4(l) = 241.98 J mol-1 K-1 calculate the DGrxn at 28.0oC. D. Is this reaction spontaneous or nonspontaneous?
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Use the following reactions to determine the Delta Hrxn for P4O10(s) + 6H2O(l) 4H3PO4(l)
4P(s) + 5O2(g)---> P4O10(s). Delta H = -2984kJ
2H2(g) + O2(g)---> 2H2O(l) Delta H = -570kJ
2P(s) + 4O2(g) + 3H2(g)---> 2H3PO4(l). Delta H = -2534kJ
B. Is the reaction exothermic or endothermic?
C. Given Sof P4O10(s) = 228.9 J mol-1 K-1; Sof H2O(l) = 69.9 J mol-1 K-1; Sof H3PO4(l) = 241.98 J mol-1 K-1 calculate the DGrxn at 28.0oC.
D. Is this reaction spontaneous or nonspontaneous?
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