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How Many Kilojoules of Energy Are Released When 90

Question 40

Multiple Choice

How many kilojoules of energy are released when 90.0 grams of water are produced in the reaction shown below?
2 H2(g) + O2(g) → 2 H2O(l) ΔH° = -572 kJ


A) 5720 kJ
B) 2860 kJ
C) 1430 kJ
D) 715 kJ

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