Boiling water results in no chemical change. If water is just heated to its boiling temperature then there is a physical change.
From the electric generator to electric outlets in homes
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Please see below solution:
1 lb Hg x (151.50/76 lb) = cost of 1 lb.
<span>cost 1 lb x (1g/453.6 g) = cost of 1 g.</span>