Acetylene torches are used for welding. These torches use a mixture of acetylene gas, C2 H2, and oxygen gas, O2 to produce the following combustion reaction: 2C2 H2 (g) + 502 (g)→4CO2 (9)+ 2H20(g) You have a 7.00 L gas tank and a 2.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145 atm , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time?

Chemistry: The Molecular Science
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Acetylene torches are used for welding. These torches use a mixture of acetylene gas, C2 H2, and oxygen gas, O2 to produce the following
combustion reaction:
2C2 H2 (g) + 502 (9)→4CO2 (g)+ 2H2O(g)
You have a 7.00 L gas tank and a 2.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with
your welding torch. If you fill the larger tank with oxygen to a pressure of 145 atm , to what pressure should you fill the acetylene tank to ensure
that you run out of each gas at the same time?
Transcribed Image Text:Acetylene torches are used for welding. These torches use a mixture of acetylene gas, C2 H2, and oxygen gas, O2 to produce the following combustion reaction: 2C2 H2 (g) + 502 (9)→4CO2 (g)+ 2H2O(g) You have a 7.00 L gas tank and a 2.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145 atm , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time?
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