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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29. When frozen carbon dioxide (CO2) is heated, it changes directly into a gas. Which statement BEST...
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