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Examine the short term causes of Russia's 1917 Revolution.

The February revolution in Russia toppled the Romanov dynasty that had been ruling for 300 years. The revolution thereby was an extremely important event in Russia's history. This revolution, which happened ...
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Answered by Sasha G. • History tutor
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What is the differential of y =sin(2x)?

For this question we have to use the chain rule. The chain rule is dy/dx (the differential you are looking for) = du/dx (the differential of u with respect to x) * dy/du(the differential of y with respect to...
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Answered by Cem U. • Maths tutor
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How should I structure my essay?

You should start thinking about essay structure when planning your answer. Break the essay down into intro, 3 or 4 paragraphs and a conclusion. The purpose of the into is to 'unpick' the question - discuss k...
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Answered by Harjas D. • History tutor
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Calculate Gibbs free energy when S = 131 J mol-1 and H = 155 kJ mol-1 at 25 C, stating whether or not the reaction is feasable.

First, make sure everything is in the correct units: H = 155 kJ mol-1 = 155000 J mol-1 S = 131 J mol-1 T = 25 C = 298K Then use the Gibbs equation to calculate the free energy: G = H - TS G = 155000-298*131 ...
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Answered by Isaac H. • Chemistry tutor
2770 Views

How do I rearrange this equation for x? y=(x+2)/(3x-1) +2

First of all we must consider the fraction. To eliminate this we multiply both sides through by 3x-1. We then end up with y(3x-1)=(x+2)+2(3x-1). The next step is to expand out the brackets and collate terms,...
CM
Answered by Charlie M. • Maths tutor
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