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What are the similarities of physical and chemical change ?
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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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How many more valence electrons does sodium need to have a full outer valence shell
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Chemistry, 23.06.2019 15:00
The specific heat of a certain type of cooking oil is 1.75 cal/ (g c) how much heat energy is needed to raise the temperature of 2.67 kg of this oil from 23 c to 191 c
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Which of the following types of reproduction is most likely to result in a rapid growth in populatio...
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