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Le Chatelier's principle is commonly known as the quilibrium law and it is useful in order to be able to analyse reversible reactions and how changing the conditions will affect which way the reaction ...

We can only add probabilities when the events are alternatives. For example, let's say we want to calculate the probability that we achieve an A or a B or a C in a giv...

Slim sat down on a box across the table from George. He studied the solitaire hand that was upside down to him. ‘Hope you get on my team,’ he said. His voice was very gentle. ‘I gotta pair of punks on ...

In German there are three genders for nouns: masculine, feminine and neuter. There are some rules for each gender regarding how the words are formed, however the best bet is to learn each gender with t...

The periodic table arranges all the different elements into columns and rows, The horizontal rows are called periods, this is where the elements differ from left to right but the addition of an electro...