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:
Hope it helps u
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A solid that forms and separates from a liquid mixture is a chemical change.
I have posted the answetr in this picture.
Answer: J
Explanation: when a object hits something it has a equal and opposite reaction pushing it back
I think you should use distillation cauze it helps to separate two mixtures
