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Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
When there are different amounts of a substance on either side of the cell membrane, a(n)__gradient...
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