Chemistry, 02.02.2020 18:50 mfreeman1096
Why did a portion of the tabletop get cold when natasha placed her cold drink on the table.
a. the table's molecules were vibrating more slowly in that area.
b. the tables molecules had spread further apart in that area
c. the tables molecules had gained energy in that area
d. the tables molecules had become free of each other in that area
Answers: 2
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Why did a portion of the tabletop get cold when natasha placed her cold drink on the table.
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