Chemistry, 13.08.2019 02:30 katykatmeelee
Explain clearly what is meant by the statement "the atomic mass of gold is 197.0 amu."
Answers: 2
Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 17:00
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.
Answers: 1
Explain clearly what is meant by the statement "the atomic mass of gold is 197.0 amu."...
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