Balance the following equations
`K_2Cr_2O_7 + HCl to KCl + CrCl_3 + H_2O + Cl_2`

Explanation

To balance the chemical equation \( K_2Cr_2O_7 + HCl \rightarrow KCl + CrCl_3 + H_2O + Cl_2 \), we will follow these steps:

### Step 1: Write the unbalanced equation
The unbalanced equation is:
\[ K_2Cr_2O_7 + HCl \rightarrow KCl + CrCl_3 + H_2O + Cl_2 \]

### Step 2: Count the number of atoms of each element on both sides
- **Left Side:**
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