Write the chemical equation for the following:
`Ca_(3)(PO_4)_2 + SiO_(2) + C overset("heat") rarr`

Explanation

To write the chemical equation for the reaction between calcium phosphate, silicon dioxide, and carbon upon heating, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Reactants**: The reactants given in the question are:
- Calcium phosphate: \( \text{Ca}_3(\text{PO}_4)_2 \)
- Silicon dioxide: \( \text{SiO}_2 \)
- Carbon: \( \text{C} \)
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