P2C.4 From the following data, determine 4,H° for diborane, B,H,(g), at 298 K: (1) B,H(g) + 3 O,(g) → B,O,(s) + 3 H,0(g) A,H° =-1941 kJmol (2) 2 B(s) +0,(g) → B,0,(s) 4,H° =-2368 kJ mol (3) H,(g)+ ±0,(g) → H,O(g) A,H° =-241.8kJ mol

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P2C.4 From the following data, determine 4,H° for diborane, B,H,(g), at
298 K:
(1) B,H(g) + 3 O,(g) → B,O,(s) + 3 H,0(g)
A,H° =-1941 kJmol
(2) 2 B(s) +0,(g) → B,0,(s)
4,H° =-2368 kJ mol
(3) H,(g)+ ±0,(g) → H,O(g)
A,H° =-241.8kJ mol
Transcribed Image Text:P2C.4 From the following data, determine 4,H° for diborane, B,H,(g), at 298 K: (1) B,H(g) + 3 O,(g) → B,O,(s) + 3 H,0(g) A,H° =-1941 kJmol (2) 2 B(s) +0,(g) → B,0,(s) 4,H° =-2368 kJ mol (3) H,(g)+ ±0,(g) → H,O(g) A,H° =-241.8kJ mol
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