What gas was produced by the reaction of zinc and HCl? How did this gas behave in the presence of fire?

0.09 moles of sodium sulfate in 12 ml of solution

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?

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa