What is the world's most common acid
and also the world's most common base?

Does the energy in a solid increase or decrease when changing to a liquid?

Predict the products butane (c4h10) + oxygen —>

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?