Chemistry, 04.09.2020 07:01, debbys4153
Mr. Hall was conducting an experiment. He dissolved an unknown
ubstance in water. He performed multiple trials while varying the
emperature. What is the independent variable in his experiment?
a. The unknown substance, because it's the only thing he changed
b. The temperature, because it's the only thing he changed
Answers: 2
Chemistry, 22.06.2019 19:30, Sumitco9578
Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?
Answers: 1
Chemistry, 23.06.2019 06:30, SimplyGenesis762
Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n): a. observation. b. measurement. c. theory. d. natural law. e. experiment.
Answers: 2
Mr. Hall was conducting an experiment. He dissolved an unknown
ubstance in water. He performed mult...
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