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Magnesium metal reacts with oxygen according to the equation: Mg(s) + O2(g) → 2MgO2(s)

Which of the following would increase the rate of the reaction?

grinding the magnesium metal into a fine powder

packing the magnesium tightly at the bottom of the container

forming the magnesium metal into the shape of a sphere

forming the magnesium metal into single, large cube

User BFree
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Answer:

Grinding the magnesium metal into a fine powder. I took the test and got it right.

User RSW
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