<p>The heat of combustion of carbon to&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;is -393.5 kJ/mol. The heat released upon formation of 35.2 g of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;from carbon and oxygen gas is:</p>