Here's a freebie for you guys

After cloud droplets form, what must happen to them for precipitation to occur?

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

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?