Calculate the Standard Free Energy of Formation of Mercury(II)oxide at 298

question 40

Multiple Choice

Calculate the standard free energy of formation of mercury(II) oxide at 298 K,given HgO(s)
Hg(l)
O₂(g)
-----------
H_f°,kJmol^1
-90.83
-
-
S_m°,JK^1mol^1
70.29
76.02
205.14

• A)+58.5 kJ  mol ^{ 1}
• B)+117.1 kJ  mol ^{ 1}
• C)-58.5 kJ  mol ^{ 1}
• D)-123.1 kJ  mol ^{ 1}
• E)-117.1 kJ  mol ^{ 1}

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