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When the pressure that a gas exerts on a sealed container changes from -atm to 1.80 atm, the temperature changes from 86.0 C to 30.0 C.? How many edges in a circle? What day will it be exactly 6 months from June 14th, 2017? Best answer gets buncha stars? In one mole of the compound iron(III) oxide,
what fraction of the total number of ions is
the oxygen ion? Problem involving math induction! If m and n are distinct real numbers, prove that (m+2)^2 = (n+2)^2 if and only if x+y=-4?