The heat of dissolution of KCl is -17.22 kJ/mol. If 25.0 grams of KCl is dissolved in 250.0 mL of water at 22.0°C, what would be the expected final temperature of the solution?

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2