Multiple Choice
For the reaction H2(g) + S(s) H2S(g) , H = -20.2 kJ/mol and S = +43.1 J/K·mol. Which of these statements is true
A) The reaction is only spontaneous at low temperatures.
B) The reaction is spontaneous at all temperatures.
C) ( G ) becomes less favorable as temperature increases.
D) The reaction is spontaneous only at high temperatures.
E) The reaction is at equilibrium at 25 C under standard conditions.
Correct Answer:

Verified
Correct Answer:
Verified
Q81: Calculate K<sub>p</sub> at 298 K for
Q82: For the reaction CuS(s) + H<sub>2</sub>(g)
Q83: Aluminum forms a layer of aluminum
Q84: Find the temperature at which the
Q85: At a given temperature, Br<sub>2</sub>(l) has a
Q87: Using the thermodynamic data provided below,
Q88: Assuming <span class="ql-formula" data-value="\Delta"><span class="katex"><span
Q89: Predict the signs (-, +, or
Q90: Predict the signs (-, +, or
Q91: The element oxygen was prepared by