A student reacts 3.4 moles of aluminum with excess water according to the following equation:2Al(s) + 6H2O(g) → 2Al(OH)3(s) + 3H2(g)How many moles of hydrogen gas will the reaction produce? (pls show work as well)

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.