What is the value of Kp at a temperature where the total pressure of an equilibrium mixture is 0.322 atm?

Posted by bank on March 19th, 2010
Iron(III) oxalate decomposes as follows:

Fe2(C2O4)3(s) equilibrium arrow Fe2O3(s) + 3 CO(g) + 3 CO2(g)

What is the value of Kp at a temperature where the total pressure of an equilibrium mixture is 0.322 atm?
Hint: the total pressure is the sum of the pressures of all of the gases present.

By: future.doctor88

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What is the solubility of CO2 in a soft drink that was bottled under a CO2 pressure of 4.5 atm?

Posted by bank on March 2nd, 2010

Carmen asked:


What is the solubility of CO2 in a soft drink (which is mainly water) that was bottled under a CO2 pressure of 4.5 atm?

The solubility of CO2 gas in water is 0.15 g/100 mL at a pressure of 760 mmHg?

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A 44 L cylinder containing helium gas at a pressure of 37.3 atm is used to fill a weather balloon in order to ?

Posted by bank on January 11th, 2010
BeNgALTiGeR asked:


A 44 L cylinder containing helium gas at a pressure of 37.3 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. To what maximum pressure (in atm) could a 113 L balloon be filled.

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At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of the gas

Posted by bank on November 21st, 2009
At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of the gas is reduced to one-half (0.5) of the original value at the same temperature?

By: ws

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How many grams of CO2 will occupy a volume of 2000L at an absolute pressure 0f 3 atm and an absolute temperatu?

Posted by bank on November 6th, 2009

How many grams of CO2 (M=44g) will occupy a volume of 2000L at an absolute pressure 0f 3 atm and an absolute temperature of 300K?Submited by:hogiaus
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How to calculate the mass of baking soda that would generate enough carbon dioxide to exert 1.0-atm pressure?

Posted by bank on November 5th, 2009
Help please. How do I do this?
Calculate the mass of baking soda that would generate enough carbon dioxide to exert 1.0-atm pressure in a 125-mL flask at 20 degrees celsius. Please show how you got your calculations.

By: [DANI]Phantom

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In a closed system, the initial pressure of hydrogen is 1.25 atm and the intial partial pressure of iodine is?

Posted by bank on November 5th, 2009
1.75 atm. At equilibrium, the partial pressure of hydrogen is 1.00 atm. What is the expression that gives the value of Kp for the system?

H2 + I2 —-> 2HI

I know the answer is (0.50)^(2)/(1.00)(1.50), but I don’t know how to get it. Please explain how to do it and show all work.

By: physicsaa

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