3. A substance has a molar
mass of 82.95 g/mol. A 33.5g sample of this substance absorbs
5.11...
Chemistry, 31.03.2021 15:30 keishlav5183
3. A substance has a molar
mass of 82.95 g/mol. A 33.5g sample of this substance absorbs
5.114 kJ when it melts. Calculate the molar heat of fusion for this substance.
Answers: 2
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Avariable that is not being directly tested during an experiment should be
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In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
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The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
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