What is the hsol for kbr k+ + br- ? the lattice energy is –679 kj, the enthalpy of hydration for is –336 kj/mol, and the enthalpy of hydration for is –284 kj/mol. use hsol = –hlat + hhydr. –627 kj/mol –59 kj/mol 59 kj/mol 1,299 kj/mol

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.