Answer:
For example, the relative rate of a reaction at 20 seconds will be 1/20 or 0.05 s -1, while the average rate of reaction over the first 20 seconds will be the change in mass over that period, divided by the change in time.
Explanation:
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Molecular mass of H2O is: 16+2*1=18
so moles of 40g of H2O is: 40/18=2.22
Explanation:
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Answer:
d
Explanation:
(d the water and metal will adjust to the same temperature between 10 degree c and 120 degree c this temperature will be call equilibrium temperature