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Chemistry, 22.06.2019 09:30
In 2002, the rare earth elements mine in mountain pass, california was closed because
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Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)โถno(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is ฮดh = -100 kj/mol . what is the activation energy for the reverse reaction?
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Chemistry, 23.06.2019 00:50
The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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