Chemistry, 26.11.2019 21:31 rebeckas0102
For the following reactions, the δh° rxn is not equal to δh° f for the product except for
a. h2o (l) + 1/2 o2 (g) → h2o2(l)
b. n2 (g) + o2 (g) → 2no (g)
c. 2h2 (g) + o2 (g) → 2h2o (g)
d. 2h2 (g) + o2 (g) → 2h2o (l)
e. 2c(s, graphite) + 2h2(g) → c2h4 (g)
Answers: 1
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Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly
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Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
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For the following reactions, the δh° rxn is not equal to δh° f for the product except for
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