# Learner’s portal

November 6, 2013

Avogadro’s law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules. Avogadro’s law in the mathematical form is as follows: V/n = k Here, V is the volume of the gas, n is the amount of substance in the gas and k is the...

## Boyle’s Law and Real Life Examples

October 30, 2013

What is Boyle’s Law? Boyle’s law states that the pressure exerted by a gas is inversely proportional to its volume at a constant temperature in a closed system.  This means that as the pressure increases, the volume decreases and vice versa. If we want to represent this mathematically, we can say P = K/V...

## Charles Law and Examples/Applications in Real Life

October 29, 2013

Charles law is credited to Jacques Charles (1746 to 1823) who invented the first hydrogen balloon and was also the first to fly on one with a co-pilot. What is Charles law? The Charles law states that the volume of a gas will increase as the temperature increases provided that the pressure remains constant....

## English Vocabulary with Examples | Consternation | Elation | Perturbation

October 28, 2013

Read the following excerpt from a short story “Keeping it from Harold” by PG Wodehouse, a brilliant humorous writer. “The four adults surveyed the innocent child in silence.  On the faces of three of them, consternation was written.” The underlined word consternation means a state of paralyzing dismay.  Read the excerpt once again.  Can...