Which is a pure substance?
a. a mixture
b. a solution
c. a compound...
Answers: 1
Chemistry, 22.06.2019 05:30
Which other elements contain the same number of outer electrons as sodium
Answers: 3
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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?
Answers: 3
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