What is the volume of the granite piece in cubic centimeters
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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, 22.06.2019 23:00
What is the most common reason for matter changing its state?
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Chemistry, 23.06.2019 01:30
If a particle has z = 25 and 23 electrons, what is its charge?
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