Question

206)

Constants Periodic Table Part A e torchea arc fer lcing. Thesc torches use a mixture cf acctylone gus, C2H2, and oaygen gas, O2 tu produce the fuowing cumbustion reaction magina that you have a L gas tank and a 4.5D L gas tank You nasd to til ona tank with axygen and the othar with acatylans to use in canjunction with your wai dlng borch. If you til tha largar tank with cxygen to a pressure of 115 at to what pressure should you fl the acctylene tank to ensure that you run out of each gas at the same time? Assume ideal bahavicr for al gascs Express your answer with the appropriate units. View Available Hint(s) PVale atm Submit X Incorrect: Try Again: 5 attempts remaining

Answer 1

P₁V₁/n₁ = P₂V₂/n₂

Here, P₁ = 115 atm, V₁ = 6 L, n₁ = 5 mol (1 corresponds to oxygen)

And P₂ = ?, V₂ = 4.5 L, n₂ = 2 mol (2 corresponds to acetylene)

i.e. 115 atm*6 L/5 mol = P₂ * 4.5 L/2 mol

Therefore, the pressure of acetylene (P₂) = 61.33 atm