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Principle Chemistry Questions?

Asked by GreenFinch_YellowCanary (141points) May 11th, 2010

If 1.000 inch = 2.540 cm, what is the area in cm2 of a floor tile whose dimensions are 15.00 inches by 25.4 cm?

The “ideal gas law” is expressed as PV = nRT. If a particular sample of a gas is found to occupy a volume of 1.23 L at a pressure of 20.24 atm and a temperature of 250.15 K, and if R has the value 0.08206 L·Atm/K·mol, then the number of moles of the gas, n, is best expressed as:

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