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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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If a particle has z = 25 and 23 electrons, what is its charge?
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What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?
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Calculate the [H3O+] of a solution in which [OH-] = 1.0 x 10-2 M...
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