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I would start early. Little bits of revision each day lead to a lot more knowledge and understanding than cramming in with only a couple of weeks lead up. I would also advice learning most definitions as ...

The two main liquidity ratios are current ratio and acid test ratio. Current ratio is current assets/current liabilities and acid test ratio is (current assets - inventories) / current liabilities. Both r...

The subjunctive is used to express emotion, doubt, wishes and desires, impersonal phrases, recommendations and opinion. Essentially, if you aren't certain about something then you use the subjunctive. For...

E=F/Q. F= 20*(1.6910^-19)=3.3810^-18NF=ma m=9.1110-31 kgTherefore, a = 3.71 * 10^12 m/s^2Since v^2= u^2 + 2as and s= 0.5m,Then v=1.9310^6 m/s

Step 1, pick out the important information from the question: Carbon: Hydrogen: Oxygen % by weight: 64.8: 13.62: 21.58 Step 2, from the periodic table, find out the relative atomic masses of each element:...