Answers by Joan Lara
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Answers by Joan Lara

Answers by Joan Lara
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The H+ ions in the water are attracted to the negative pole of other water molecules, attaching to them to form H3O+ ions (note that it's a 3 now, not the normal 2 for H2O). What is the H3O+ ion called?
answered Oct 29, 2021
6 votes
207k views
Four houses in a row are each to be painted with one of the colors red, blue, green, and yellow. In how many different ways can the houses be painted so that no two adjacent houses are of the same color?
answered Apr 5, 2021
5 votes
94.8k views
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