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Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
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How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?
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Convert 1.25 atm to bar....
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