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Chemistry, 22.06.2019 09:10
Which class of molecules functions as chemical signals? hormones water carbohydrates proteins
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Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that canβt be observed.
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Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)βΆno(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is Ξ΄h = -100 kj/mol . what is the activation energy for the reverse reaction?
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Chemistry, 22.06.2019 21:30
What is the effect of returning nuclear reactor cooling water back into bodies of water?
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