Mg + 2HCl → MgCl2 + H2 1. Is the equation above balanced? How do you know? 2. Give an example of a substance changing temperature and what happens to the motion of molecules as the temperature changes?

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3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

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.