Differentiate between evaporation and boiling. Change of State: Each of the changes of state from solid to liquid, liquid to gas, and vice versa, are given special names, like freezing, melting, condensation, etc. Sublimation is rather special in that, here, a solid changes directly to gas ...
What is the pressure of the gas at the boiling point of water? The boiling point of liquid hydrogen is 20.2\ \mathrm{K}. Express this in degree Rankine. What is the relationship between pressure and temperature with regard to boiling point? How do you calculate the difference in temperature...
(b). Differentiate between metals and non-metals on the basis of their chemical properties. (c). State three reasons (of which at least one must be chemical) for believing that sodium is a metal. (d). State three reasons (of which at least one must be chemical) for believing that sul...