When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are reactants.
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Solution
The balanced equation for the reaction of hydrogen gas and copper oxide is written as follows:
H2 (g) + CuO (s) → u (s) + H2O (g)
Reactants: H2 and CuO are the reactants.
Concept: Chemical Equation
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