Answer Happy

Question 3 2 pts Which of the following statements is true about the free energy of dissolving salts? The negative lattice energy (AH) must be overcome by the positive hydration energy (AS). The positive lattice energy (AH) must be overcome by the positive hydration energy (AS). The positive lattice energy (AH) must be overcome by the negative hydration energy (AS). The negative lattice energy (AH) must be overcome by the negative hydration energy (AS). Question 4 2 pts Calculate AG for 1 mole the following salt at 25°C if the AH = 736 kJ/mole AS = 14.4 kJ/mole. CaCl2 (s) - Ca2+ (aq) + 2Cl(aq) 5027 kJ/mole O -4591 kJ/mole O 376 kJ.mole 0 -3555 kJ/mole