Chemistry, 10.03.2021 19:00 jahootey2798
How much heat is released when a 22 g sample of water cools from 32 C to 29 C?
Answers: 1
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What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
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Chemistry, 23.06.2019 12:50
Complete the paragraph to describe the characteristics of a borane molecule (bh3). the lewis structure and table of electronegativities are given. the bond polarities in bh3 are , the molecular shape is , and the molecule is .
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Chemistry, 23.06.2019 13:30
How does water evaporating from a glass show that matter is made up of particles? a. the heat energy from the air causes the glass to fill up with water particles. b. the liquid water particles turn into water vapor that spreads in the air. c. the particles of the glass dissolve in water and cause it to evaporate. d. the tiny particles of the glass evaporate and seem to disappear.
Answers: 2
How much heat is released when a 22 g sample of water cools from 32 C to 29 C?...
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