Multiple Choice
The value of ΔG° at 141.0°C for the formation of phosphorous trichloride from its constituent elements, P2 (g) + 3Cl2 (g) → 2PCl3 (g)
Is __________ kJ/mol. At 25.0°C for this reaction, ΔH° is -720.5 kJ/mol, ΔG° is -642.9 kJ/mol, and ΔS° is -263.7 J/K.
A) -612.3
B) 3.65 × 104
C) 1.08 × 105
D) -683.3
E) -829.7
Correct Answer:
Verified
Correct Answer:
Verified
Q2: ΔS is negative for the reaction _.<br>A)2H<sub>2</sub>O
Q3: Which reaction produces a decrease in the
Q5: Of the following, the entropy of _
Q7: The standard Gibbs free energy of formation
Q8: For a reaction to be spontaneous under
Q8: The value of ΔG° at 25 °C
Q9: If ΔG° for a reaction is greater
Q65: ΔS is positive for the reaction _.<br>A)Pb(NO<sub>3</sub>)<sub>2</sub>
Q72: A reaction that is not spontaneous at
Q76: The value of ΔH° for the decomposition