If the temperature changes in a chemical reaction, what has occured? a)energy was destroyed b)energy was created c)there was no energy transfer d)energy was transferred

Two things that biomedical has invented or innvated

What overall charge must all compounds have

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?