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Chemistry
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28 Nov 2019

At STP, 3.00 L of nitrogen gas contains the same number ofmolecules as
A) 1.00 L of nitrogen gas
B) 2.00 L of oxygen gas
C) 3.00 L of chlorine gas
D) 4.00 L of hydrogen gas

Please include steps in solving, thanks!

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Nestor Rutherford
Nestor RutherfordLv2
2 Mar 2019

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HELP!!! I want to know the step by step process to solve these problems. Italicized and bolded are the answers.

1.) A tank contains 17.00 moles total of carbon dioxide, nitrogen, and oxygen. Calculate the moles of carbon dioxide, if the percent of nitrogen is 44 % and oxygen is 31%. (Hint, convert percent into mole fraction.) 4.2 (4.25) mol Carbon dioxide

2.) A quantity of nitrogen gas originally at 4.60 atm in a 1.20 L container at 23.9 ºC is transferred to a 10.0 L container. A quantity of oxygen originally at 3.50 atm and 23.9 ºC in a 4.00 L container is transferred to the same 10.0 L container with the ni trogen. Calculate the total pressure of the two gases in the 10.0 L container at 19.7 ºC. 1.93 atm

3.) A 50.00 liter tank at - 15.00 °C contains 14.00 grams of helium gas and 10.00 grams of nitrogen gas.

a. Determine the total pressure in the tank. PT = 1.632 atm

b. Determine the partial pressure of each gas. P He = 1.481 atm PN2 = 0.1512 atm

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**The answer is 0.0059 L, I would just like to know the processof how to get that answer. Thanks!

Use Henry's law and the solubilities given below to calculate thetotal volume of nitrogen and oxygen gas that should bubble out of1.4 L of water upon warming from 25*C to 50*C . Assume that thewater is initially saturated with nitrogen and oxygen gas at 25*Cand a total pressure of 1.0 atm . Assume that the gas bubbles outat a temperature of 50*C . The solubility of oxygen gas at 50*C is27.8 mg/L at an oxygen pressure of 1.00 atm. The solubility ofnitrogen gas at 50*C is 14.6 mg/L at a nitrogen pressure of 1.00atm. Assume that the air above the water contains an oxygen partialpressure of 0.21 atm and a nitrogen partial pressure of 0.78atm.
Express your answer using two significant figures.

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