Answer to Question #97214 in General Chemistry for Brittany Wallace

Question

1. Acetylene burns in oxygen to give CO2 and H2O according to the equation below.
2 C2H2(g) + 5 O2 (g) 4 CO2(g) + 2 H2O(g)
What volume of oxygen will react completely with 25 L C2H2 ?

2. A mixture of H2 and Ne is placed in a 2.00-L flask at 25 °C. The partial pressure of the H2 is 1.4 atm, and the partial pressure of the Ne is 2.7 atm. What is the mole fraction of H2?

Answer 1

1. 62.5 L

2. mole fraction 0.34