Chemistry, 09.12.2020 01:50 Naysa150724
16. Which statement is always true about conservation of matter? Please Highlight the correct response. (1 Point) a Ifa gas forms, the mass of a system decreases. b. If a solid forms, the mass of a system increases. C. The mass of a system does not change during a chemical reaction. d. The mass of a system changes when a substance changes from liquid to gas, but it does not change in a chemical reaction.
Answers: 3
Chemistry, 21.06.2019 17:00
An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid
Answers: 1
Chemistry, 21.06.2019 19:10
Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
Answers: 1
16. Which statement is always true about conservation of matter? Please Highlight the correct respon...
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