General Questions
These questions are not explicitly keyed to chapter topics; many require integration of several concepts.
In principle, copper could be used to generate valuable hydrogen gas from water.
(a) Is the reaction exothermic or endothermic?
(b) If 2.00 g copper metal reacts with excess water vapor at constant pressure, how much thermal energy transfer is involved (either into or out of the system) in the reaction?
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