Physics, 12.11.2020 22:50 kendallnowell18
29. When frozen carbon dioxide (CO2) is heated, it changes directly into a gas. Which statement BEST
indicates that a physical change has taken place?
a. Heat caused an increase in gas production,
b. Heat caused a new substance to form.
C. Heat caused a decrease in energy.
d. Heat caused a change in state.
Answers: 3
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Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big
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29. When frozen carbon dioxide (CO2) is heated, it changes directly into a gas. Which statement BEST...
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