What is the mass of 19.5 moles of carbon dioxide?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

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 metal exist in liquid state and can be cut with knife ?