In his experimental design, Pasteur kept everything about the containers the same except bacteria could get in one container but not the other. He designed his experiment this way
so that it was a fair test.
In a fair test:

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

Most metamorphosis processes take place

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.