Show the calculation of the energy involved in condensation of 150 grams of steam at 100oc if the heat of vaporization for water is 2.26 kj/g.

Answer : The energy involved in condensation is, 339 kJ

Explanation :

Formula used :

where,

q = heat required = ?

L = latent heat of vaporization of water =

m = mass of water = 150 g

Now put all the given values in the above formula, we get:

Therefore, the energy involved in condensation is, 339 kJ

answer; talc and gypsum;

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.