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+ 20 points on a Quiz Opportunity

+ 20 points on a Quiz Opportunity. Work this problem with a Legacy AP Chem Student. You each get +2- on a quiz. Maximum +20 for a Pre-AP Student . Due by 5/2/13 Pre-AP Student_____________________________ AP Student______________________________.

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+ 20 points on a Quiz Opportunity

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  1. + 20 points on a Quiz Opportunity Work this problem with a Legacy AP Chem Student. You each get +2- on a quiz. Maximum +20 for a Pre-AP Student. Due by 5/2/13 Pre-AP Student_____________________________ AP Student______________________________

  2. A rigid 5.00 cylinder contains 24.5 g of N2(g) and 28.0 g of O2(g). (a) Calculate the total pressure, in atm, of the gas mixture in the cylinder at 298 K.(b) The temperature of the gas mixture in the cylinder is decreased to 280 K. Calculate each of the following.(i) The mole fraction of N2(g) in the cylinder (ii) The partial pressure, in atm, of N2(g) in the cylinder (c) If the cylinder develops a pinhole-sized leak and some of the gaseous mixture escapes, would the ratio moles of N2(g) / moles of O2(g) in the cylinder increase, decrease or remain the same? Justify your answer.A different rigid 5.00 L cylinder contains 0.176 mol of NO(g) at 298 K. A 0.176 mol sample of O2(g) is added to the cylinder, where a reaction occurs to produce NO2(g).(d) Write the balanced equation for the reaction.(e) Which side of the equation contains more moles of gas: The products or the reactants? Include the number of moles of gas on each side in your answer.

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