Asked by patrick

When 1 mol of NO(g) forms from its elements, 90.29 kJ of heat is absorbed, How much heat is involved when 4.29 g of NO decomposes to its elements?

is it -12.90 kJ ???



thank you.
Answered by DrBob222
I obtained -12.91 kJ using 30 for the molar mass of NO.
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