CHEM. QUESTION! NEEDED ASAP! If there are 6.2x10²2 molecules of calcium carbide,
CaC2, what mass of acetylene (C2H2) can be formed?
CaC2 +_ H2O → _ Ca(OH)2 + ___C2H2

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?

All of the following are part of the biosphere except

What produces wave a)sound b) heats c)transfer of energy d)vibrations