Ideal Gas Equation and Combined Gas Law...ten points will be given?
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What is the volume in liters of 32.0 g of CO2 at 495 mm Hg and 14.5°C? What is the volume of 310. mL of oxygen gas at 14.5°C and 550. mm Hg if the conditions are adjusted to 460. mm Hg and 10.5°C? Assume the amount of gas is held constant. What mass of propane gas, C3H8, will occupy 620. mL at 125 mm Hg and 21.0°C?
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Answer:
first convert g to moles use ideal gas law .... thats .73 moles than change °C to °K by adding 273 PV=nRT (495)(v)=(.73)(62.4)(287.5) 26.46 L Change to °k the constant for mmHg is 760 P1V1T2=P2V2T1 then substitute the next one is combined gas law too
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