Problem: When 1 mol of NO(g) forms from its elements, 90.29 kJ of heat is absorbed. What is ΔH when 3.50 g of NO decomposes to its elements?

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The heat released by decomposing NO(g) from its elements will be the same amount as the heat absorbed when forming it.

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Problem Details

When 1 mol of NO(g) forms from its elements, 90.29 kJ of heat is absorbed. 

What is ΔH when 3.50 g of NO decomposes to its elements?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.

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Based on our data, we think this problem is relevant for Professor Wink's class at UIC.

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.