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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*1...

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 ter...

Mixed number -> top heavy fraction: 4 + 5/7 = ((47)+5)/7 = (28+5)/7 = 33/7 2+ 1/3 = ((23)+1)/3 = (6+1)/3 = 7/3 Common denominator by multiplying by each others: 33/7 = (333)/(73) = 99...

When answering a question that involves a source and asks how far it goes in supporting one historical viewpoint, the easiest thing to do is use the 'COP' system. First look at the context, what was happe...

The most useful tool when preparing for an LNAT is practice papers and the LNAT website itself. The more practice essays you write and get feedback on the better your essay form will become. Often the act...