You have to use the same trick if you want to play piano faster: practice, practice, practice.Let’s be honest- chemistry course has been used as a “weed out“ course to separate the students with ambition and those with ambition and solid study skills. When you complete the last step in your game plan, you should be looking at the solution to the problem. Step 1: Have you actually answered the question that was asked? Check this by asking yourself this question, "If I gave my solution to the problem to someone who had not read the problem, could they guess what question had been asked? If you rearranged a formula, check that you did this correctly, for example, if c=n/V then V=n/c Check that you have used the correct units and that the units used are all consistent.
Footnotes: (1) This approach is based on Polya's approach to problem solving in maths, which I always think of as a 'Weapon of Maths Deconstruction', but is a good general approach to problem solving.
State your solution to the problem by writing it down. If, however, there is some doubt about the value, or quality, of your response after going through the checks above, you should STOP here and start the problem solving process again, from the beginning, with step 1.
If everything looked good after completion of the PAUSE to Ponder step above, then you have solved the problem.
If you have checked all of the above, then it is time to ....
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Begin your note with a word like "Use ..." or "Apply ...." Step 5.
Under your statement of the problem, write a brief note which tells you which scientific principle (highlighted) you will apply.