Acetylene gas (ethyne) reacts with oxygen and burns at high temperature in an acetylene to...

Acetylene gas (ethyne) reacts with oxygen and burns at high temperature in an acetylene torch.

An acetylene torch is used to weld and cut metals.

a. Write the balanced equation for the complete combustion of acetylene.

---

b. How many grams of oxygen are needed to react with 8.5 L of acetylene at STP?

---

c. How many liters of CO2 (at STP) are produced when 30.0 g of acetylene undergoes combustion?