A. What is the limiting reactant when 19.9 g of
CuO are exposed to 2.02 g of Hy according to
the following equation?
CuO(s) + H2(g) → Cu(s) + H2O(g)
b. How many grams of Cu are produced?

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

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How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4