Chemistry, 21.10.2020 21:01 bartam833oz4qy6
Burning 1 kg of coal releases about 3 million joules of energy. If you could use all of the chemical energy to lift another kilogram of coal, how high could you lift it?
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Chemistry, 21.06.2019 17:30
This is a mixture that has the same composition throughout.
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Chemistry, 22.06.2019 15:00
Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
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Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
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Chemistry, 23.06.2019 09:00
Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb
Answers: 1
Burning 1 kg of coal releases about 3 million joules of energy. If you could use all of the chemical...
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