Acetylene (C₂H₂) is a gas used for welding. Combustion of acetylene releases 1301.1 kJ/mol. Calculate the energy (in kilojoules) released in burning 65.0 g acetylene.

• A. –4934 kJ
• B. –2861 kJ
• C. –993.5 kJ
• D. –3250 kJ

Answer: (D)