± Gas Law Stoichiometry Part A Acetylene torches are used for welding. These tor
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± Gas Law Stoichiometry Part A 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 Imagine that you have a 5.00 L gas tank and a 3.00 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 125 atm, to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases. 2C2H2 (g) + 502 (g)4CO2 (g) + 2H2O (g) Express your answer with the appropriate units P-208.33 atm Submit Hints My Answers Give Up Review Part Incorrect; Try Again; 3 attempts remaining; no points deducted This would give you equal moles of oxygen and acetylene You may need to review Rearrangement of Equations Involving Multiplication and Division. Provide Feedback ContinueExplanation / Answer
2C2H2(g)+5O2(g)4CO2(g)+2H2O(g)
n1/n2 = P1*V1 / P2*V2
(5.00 L O2) x (125 atm) x (2 mol C2H2 / 5 mol O2) / (3.0L)
= 83.33 atm C2H2
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