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After the Second World War, most of the countries within Europe were bankrupt or had very little money. These were the perfect conditions for support of communism to grow, since it promised moving wealth ...

We need to find the value of X (the water of crystallisation) and to do this we can start by calculating the moles of water lost and the moles of the anhydrous salt (the salt product without water), we do...

As can be seen by studying the gradients of sin(x) at key points such as 0, 90, 180, 270, 360 degrees, the gradient of sin(x) at any point, x, is equal to cos(x). [This would be shown on sketches of the f...

So the most important thing to answer this question is to understand how an equilibrium works: it will always try to counteract the change you are making. For example, if you add more SO₃ into ...