Which of the following is a difference between a mixture and a compound?
b. a mixture must be...
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Chemistry, 23.06.2019 01:10
Volume is a measurement of how fast particles of a substance are moving
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Chemistry, 23.06.2019 04:20
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.
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Chemistry, 23.06.2019 12:30
How does a nuclear reactor produce electricity? a. high-energy gamma rays are converted by a generator into electricity. b. the heat from the reaction turns water to steam, which runs a generator. c. the reaction produces a stream of electrons that flow through wires and into batteries. d. the heat released from the reaction is used to burn coal or gas to produce electricity. e. control rods absorb the neutrons emitted and release a stream of electrons as electricity.
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Chemistry, 23.06.2019 13:30
If a fast moving car making a loud noise approaches and moves past the person what will happen as the distance between the two increases?
Answers: 1
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