Chemistry, 10.11.2020 16:20 Smitheyyy973
In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a white solid forms and settles to the bottom. Which statement below describes what happened? a A physical change occurred, a gas and precipitate was produced b A physical change occurred, only a gas was produced c A chemical change occurred, only a gas was produced d A chemical change occurred, a gas and precipitate was produced
Answers: 1
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 22.06.2019 19:10
Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m
Answers: 1
In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a whi...
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