How much heat will be liberated if 8g of hydrogen burns in excess oxygen according to the following equation? 2H2 + O2→ 2H2O,∆H = -571.7KJ (H = 1)
-
A.
1.42.9KJ -
B.
571.7KJ -
C.
1143.4KJ -
D.
285.9KJ -
E.
2286.8KJ
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