Which statement correctly describes a physical change?
A. involves breaking and creating...
Chemistry, 19.02.2020 17:51 cesarcastellan9
Which statement correctly describes a physical change?
A. involves breaking and creating chemical bonds but not changing a phase
B. may involve a change in phase but does not involve a change in the molecular structure
c. may involve converting two or more substances into new substances
D. involves changes at the molecular level
E. involves energy transfer and change in color
Answers: 1
Chemistry, 21.06.2019 23:50
How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
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Chemistry, 23.06.2019 01:00
Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.
Answers: 1
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