When Octane,C₈H₁₈,reacts with Oxygen to Produce Carbon Dioxide and Water,5070

question 202

Multiple Choice

When octane,C₈H₁₈,reacts with oxygen to produce carbon dioxide and water,5070 kJ of heat are released per mole of methane.How many kJ of heat are released per gram of oxygen used?

• A)6)34 kJ/g
• B)12.7 kJ/g
• C)1980 kJ/g
• D)3960 kJ/g