What happens when heavy water is added to calcium carbide?

Explanation

To understand what happens when heavy water (D2O) is added to calcium carbide (CaC2), let's break down the reaction step by step.

### Step 1: Identify the Reactants
The reactants in this reaction are calcium carbide (CaC2) and heavy water (D2O). Calcium carbide is a compound made of calcium and carbon, and heavy water is water in which the hydrogen atoms are replaced by deuterium (D).

### Step 2: Write the Chemical Equation
When calcium carbide reacts with heavy water, the reaction can be represented as follows:
\[ \text{CaC}_2 + \text{D}_2\text{O} \rightarrow \text{CaO}\text{D}_2 + \text{C}_2\text{D}_2 \]
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