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Ted Mooney, P.E. RET
Pine Beach, NJ

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Kinetics

I need as much information as possible about magnesium reacting with HCL.

Lisa Lawrence
- London, England

It goes fizz, fizz, fizz. The magnesium replaces the hydrogen, to form Mg with two chlorines. The hydrogen that's now loose joins another hydrogen to form a hydrogen molecule (that's two hydrogens together), which a normal temperatures is a gas, so it evolves as bubbles - hence the fizzing. This is for a school experiment right? Don't do it at home.

Ian Brooke
university - Glasgow, Scotland

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