Predict the sign of ΔS°, if possible, for the following reaction.
A. N2(g) + O2(g) ----> 2NO(g)
B. C2H2(g) + 2H2(g) ----> C2H6(g)
Question 3 options:
positive
negative
not predictable
What is ΔH, ΔS and ΔG° at 1000 °C for the following reaction?
CaCO3 (s) = CaO (s) + CO2 (g)
ΔHf° (KJ) S° (J/K
CaCO3 -1206.9 92.9
CaO -635.1 38.2
CO2 -393.5 213.7
ΔHAnswerKJ
ΔSAnswerJ/K
ΔGoAnswerKJ
(b) Is the reaction spontaneous at 1000 °C and 1 atm? Answer
(c) What is the value of Kp at 1000 °C for this reaction given that
(R = 8.314 J/K mol)
KpAnswer
(d) What is the partial pressure of CO2 (g)?Answeratm
Consider the reactionCaCO3(s)CaO(s)+ CO2(g)Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K.ANSWER:
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