Enthalpy of combustion of carbon to `CO_2` is `-393.5 kJ mol^(-1)`
Calculate the heat released upon formation of 35.2 g of `CO_2` from carbon and dioxygen gas.

Explanation

To calculate the heat released upon the formation of 35.2 g of CO2 from carbon and dioxygen gas, we can follow these steps:

### Step 1: Understand the enthalpy of combustion
The enthalpy of combustion of carbon to CO2 is given as -393.5 kJ/mol. This means that when 1 mole of carbon is completely burned in the presence of oxygen, 393.5 kJ of energy is released.

### Step 2: Calculate the molar mass of CO2
The molar mass of CO2 can be calculated as follows:
- Carbon (C) = 12.01 g/mol
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