Question

The dissolution of barlum hydroxide in water is an exothermic process. Which statement is correct? The enthalpy of solid barium hydroxide plus pure water is less than that of the solution, at the same temperature. The enthalpy of solid barium hydroxide plus pure water is greater than that of the solution, at the same temperature. O The enthalpy of solid barium hydroxide plus pure water is the same as that of the solution, at the same temperature. O The temperature of the solution is lower than of the barium hydroxide and water before mixing. When barium hydroxide dissolves in water, the system does work on the surroundings.

Answer 1

Dissolution of BacoH)2 Ba(OH), (S) + nH2O = B (aq) + 2OH (aq); . 4H<0 :{+(aq)]+244; 20H (aa)]]- Lanj (Bacothy 3) + naH 1120(13}20 op 4 Hj [B&?*(aq)] +247f [OH^(ag)] <<"[Ba[b+), 6)] n auf (410ce)] The enthalpy of solid Ba(OH), plus pure water is greater than that of the solution at the same temperature. I. Correct option ®