3. Magnesium reacts with copper sulphate according to the following equation below. What mass of copper sulphate (CuSO4) is required to produce 0.36 moles of copper? Mg+CuSO4> MgSO4 + Cu
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Compare and contrast physical changes with chemical changes.

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Identify the electromagnets with poles that are reversed from the electromagnet shown above