
 👍 0
 👎 1
posted by DrBob222
Respond to this Question
Similar Questions

Chemistry
An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?
asked by Ryan on April 12, 2013 
Chemistry
An unknown amount of gas occupies 30.0 L at 2.1 ATM and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?
asked by Jake on April 10, 2013 
Chemistry
An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?
asked by Ryan on April 10, 2013 
Chemistry
A 1.44g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?
asked by Lily on March 4, 2013 
Chemistry
A 1.44g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?
asked by Lily on March 4, 2013 
Chemistry 101
You have a sample of gas in a flask with a volume of 250 mL. At 25.5 degrees Celcius, the pressure of the gas is 300 mm Hg. If you decrease the temperture to 5.0 degrees celcius, what is the gas pressure at this lower temperture?
asked by Eunice on April 30, 2009 
Chemistry
A sample of gas collected over water at 42 C occupies a volume of one liter. The wet gas has a pressure of 0.986 atm. The gas is dried, and the dry gas occupies 1.04 L with a pressure of 1.00 atm at 90 C. Using this information,
asked by Bree on October 14, 2010 
College Chemistry
A 2.80 g sample of an unknown chlorofluorocarbon is decomposed and produces 557mL of chlorine gas at a pressure of 750mm Hg and a temperature of 298K . What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?
asked by James on October 16, 2008 
Chemistry
A 2.85g sample of an unknown chlorofluorocarbon is decomposed and produces 560mL of chlorine gas at a pressure of 754mmHg and a temperature of 298K . What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?
asked by Rose on October 16, 2009 
chem
Show work 1. How many moles of oxygen will occupy a volume of 2.50 liters at 121.6 kPa and 331 K? 2. An unknown volume of chlorine gas (Cl2) is resting at 127 °C at a of pressure 152.4 kPa. If the gas weighs 191.4 g, what is the
asked by theresa on February 22, 2015