Francisco P. answered 11/25/14
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Rigorous Physics Tutoring
Your conversions are essentially correct.
For your second equation, write 1 atm = 760 torr instead of 1 atm = 760 = 1 torr. Do the same with the 3rd, 6th, and 7th equations.
Since we are converting to torrs and atmospheres, place these units at the end of your numerical answers for the 4th and 8th equations: 875 torr, 2.23 atm.