11 Reaction Energy

11 Reaction Energy - correct Group Number Reaction Energy...

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Group Number _______ Reaction Energy Group Worksheet Names: __________________________ _____________________________ __________________________ _____________________________ 1. Write the balanced equation for the complete combustion of butane (C 4 H 10 ). Then write the reaction using Lewis Dot structures instead of chemical formulas. Calculate the energy from bonds broken in the reactants. Calculate the energy from bonds formed in the products. What is the total energy change for the reaction? (Be careful to get the sign
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Unformatted text preview: correct.) Group Number _______ Reaction Energy Is the reaction endothermic or exothermic? 2. Balance the following reaction: _____N 2(g) + _____H 2(g) → _____NH 3 Calculate the energy from bonds broken in the reactions. (Note: You should draw the Lewis Dot structures first. One molecule has a multiple bond.) Calculate the energy from bonds formed in the products. What is the total energy change for the reaction? Is the reaction endothermic or exothermic?...
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11 Reaction Energy - correct Group Number Reaction Energy...

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