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Question

Use the following thermochemical equation to calculate how much heat in kilojoules is evolved or absorbed when

13.9 g

g of liquid water are converted to hydrogen and oxygen gas.

2H2(g)+O2(g)→2H2O(l)ΔH∘=−571.6kJ

Express your answer in kilojoules to three significant figures.

Top Answer

Thus If 2 moles absorbs 126 kJ... View the full answer

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ans heat absorbed... View the full answer

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