June 2017 Chemistry Regents Questions 21-30

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In chemical reactions, the difference between the potential energy of the products and the potential energy of the reactants is equal to the

What occurs when a catalyst is added to a chemical reaction?

Which process requires energy for a nonspontaneous redox reaction to occur?

Ethanoic acid and 1-butanol can react to produce water and a compound classified as an

During an oxidation-reduction reaction, the number of electrons gained is

When a reversible reaction is at equilibrium, the concentration of products and the concentration of reactants must be

Which pair of compounds represents one Arrhenius acid and one Arrhenius base?

In which 1.0-gram sample are the particles arranged in a crystal structure?