What must be true for a substance to be able to dissolve in water?

a) the solute particles must have a strong attraction for the water particles

b) the solute must be able to react with water at the given temperature

c) there must be enough energy to break the chemical bonds in the water molecules

d) the temperature must be high enough to cause the solute to melt

The equilibrium constant kc for the reaction 2 nocl(g) → 2 no(g) + cl2(g) is 0.453 at a certain temperature. a mixture of nocl, no, and cl2 with concentrations 1.30, 1.20, and 0.600 m, respectively, was introduced into a container at this temperature. which of the following is true? 1. no apparent reaction takes place. 2. [cl2] = 0.30 m at equilibrium. 3. nocl(g) is produced until equilibrium is reached. 4. [nocl] = [no] = [cl2] at equilibrium. 5. cl2(g) is produced until equilibrium is