What would the cathode be in a nickel and copper electrolytic cell?
o a. cu(s)
ов. n2+
oc. cu2+
od. ni(s)
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Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

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.