Complete the following reaction `: (NH_(4))_(2) Cr_(2)O_(7) overset("Heat")(rarr)`

Explanation

To complete the reaction of ammonium dichromate when heated, we can follow these steps:

### Step 1: Identify the Reactant
The reactant given is ammonium dichromate, which has the chemical formula \((NH_4)_2Cr_2O_7\).

### Step 2: Understand the Reaction
When ammonium dichromate is heated, it undergoes thermal decomposition. This means it breaks down into simpler substances.

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