Calculate h for the process hg2cl2 ? 2hg + cl2 from the following information:
hg + cl2 --> hgcl2 h = -224kj
hg + hgcl2 --> hg2cl2 h =-41.2 kj

The enthalpy of the reaction of the reaction asked in the question is 265.2 kJ.

Explanation:

...(1)

..(2)

...(3)

(1)+(2)

...(4)

On reversing the equation (4)we get (3):

The enthalpy of the reaction of the reaction asked in the question is 265.2 kJ.

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.

clouds form

solid ice forms on leaves.

water droplets form on grass.