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CHEM HELP! A sample of an ideal gas has a volume of 3.70 L at 13.80 °C and 1.70 atm. Whats the volume of the gas at 24.40 °C and 0.997 atm? Write the equation of a line that is perpendicular to y= -1 and that passes through the point (8, -4)? Find the volume of the parallelepiped determined by the vectors a, b, and c. a = <1,4,3>
b = < -1,1,3>
c = <3,1,5>? Prove sin2A*cos2A = sin2A-4sin^3A*cosA ? CHEM HELP!!!!!! How many grams of Kr are in a 8.27 L cylinder at 27.0 °C and 8.67 atm?