Calcium carbide is an intermediate in the manufacture of acetylene. (Calcium carbide was also used for years in mining lamps.) Its chemical formula is CaC2. What is the bond order of the C22- ion?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

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 is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5