Decide what kind of reaction the problem below went through. How many kilo joules of heat are absorbed when 7.50 g of MgO(s) are decomposed into Mg(s) and O2(g) at constant pressure?
a.) endothermic reaction
b.) not enough information to determine
c.) exothermic reaction
Answers: 3
Chemistry, 21.06.2019 17:30, cynthiagutierrez65
Given that the molar mass of nano3 is 85.00 g/mol, what mass of nano3 is needed to make 4.50 l of a 1.50 m nano3solution? use .6.75 g18.9 g255 g574 g
Answers: 1
Chemistry, 22.06.2019 11:00, RidhaH
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 can’t be observed.
Answers: 1
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