16. Given: Mg (s) + 2 HCl (aq) → MgCl2 (aq) + H2(g) + 109.28

Last updated: 7/29/2022

16. Given: Mg (s) + 2 HCl (aq) → MgCl2 (aq) + H2(g) + 109.28 kcal a) How much heat is gained or lost when 12.0 grams of magnesium are used up? b) What volume of hydrogen gas (at SATP) is formed when 750.0 kcals of heat are produced? c) How many kilojoules of heat are involved when 150.0 ml of 2.50 mol/L HCI solution are completely reacted?