The value of G at 373 K for the oxidation of solid elemental ...

[j.rubin]

The value of G at 373 K for the oxidation of solid elemental sulfur to gaseous sulfur dioxide, S (s, rhombic) + O2 (g)  SO2 (g) is ________ kJ/mol. At 298 K, H for this reaction is -269.9 kJ/mol, and S is +11.6 J/K.
 
  A) -300.4
  B) +300.4
  C) -4,597
  D) +4,597
  E) -274.2

Question 2

The enthalpy change for converting 1.00 mol of ice at -25.0 C to water at 50.0 C is ________ kJ.
 
  The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H2O, Hfus = 6.01 kJ/mol, and Hvap = 40.67 kJ/mol.
  A) 12.28
  B) 6.27
  C) 10.71
  D) 4709
  E) 8.83

[shailee]

Answer to Question 1

E

Answer to Question 2

C

[j.rubin]

TYSM

[ghepp]

Excellent