What is the quantity of heat evolved at constant pressure when 30.5 g H2O(l) is formed from the combustion of H2(g) and O2(g) ?
H2(g) +
O2(g) → H2O(l) ; ΔH° = -285.8 kJ
A) 5.92 × 10-3 kJ
B) 285.8 kJ
C) 8.72 × 103 kJ
D) 168 kJ
E) 4.84 × 102 kJ
Correct Answer:
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