in order for a reaction to occur, reactant molecules must collide with each other. true or false

What are the 4 phases of matter in order of increasing engery content?

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?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable