The enthalpy of solution for $$\mathrm { AgNO } _ { 3 }$$ is +22.8 kJ/mol.
a. Write the equation that represents the dissolution of $$\mathrm { AgNO } _ { 3 }$$ in water.
b. Is the dissolution process endothermic or exothermic? Is the crystallization process endothermic or exothermic?
c. As $$\mathrm { AgNO } _ { 3 }$$ dissolves, what change occurs in the temperature of the solution?
d. When the system is at equilibrium, how do the rates of dissolution and crystallization compare?
e. If the solution is then heated, how will the rates of dissolution and crystallization be affected? Why?
f. How will the increased temperature affect the amount of solute that can be dissolved?
g. If the solution is allowed to reach equilibrium and is then cooled, how will the system be affected?

answer: the rate of diffusion increases with increase in temperature.

increase in temperature, increases the molecular/particles speed (kinetic energy. diffusion means movement of particles through the material.

generally, the heavier the particle the more it interacts with the environment and more the temperature matters. so higher temperature results in higher diffusion.

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nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.