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In chemical reactions entropy can be considered to be a measure of the number of ways which molecules and their quanta of energy can be arranged and is measured in J K -1 mol -1 .For a process to occur spont...

Bernard Crick noted that democracy is 'perhaps the most promiscous word' in political discourse. Therefore, establishing precisely what is meant by 'democracy' is a difficult task. The word finds its roots i...

At A-Level, a comprehensive range of factors contributing to an event/phenomenon will be very impressive. In tryign to achieve this, however, it is important not to omitt any of the crucial factors- yes, eve...

First thing we have to do is to eliminate one of the variables, either x or y (it doesn’t matter which one). In order to achieve that, we aim to have the same co-efficient (number in front of x or y) of a va...

Diagrammatically, this is where the demand and supply curves meet. The demand curve shows the quantity demanded by consumers at different prices, and the supply curve shows the quantity producers are willing...