complete this reaction

2 NaNO3 + ht →

To complete the reaction, we need to know the conditions under which the reaction is occurring. Specifically, what is the source of heat (ht)? Without this information, it is difficult to provide a definitive answer.

However, I can explain the general procedure for balancing a chemical equation, which can be applied in this scenario once the missing details are provided.

To balance a chemical equation, we need to ensure that there is an equal number of atoms on both sides of the equation. This can be accomplished by adjusting the coefficients of the reactants and products. Here's a step-by-step approach to balancing a chemical equation:

1. Write down the given reactants and products, including their chemical formulas.
In this case, the given reactants are 2 NaNO3 (sodium nitrate) and the unknown substance activated by heat (ht).

2. Determine the number of atoms for each element present on both sides of the equation.
Count the number of atoms for each element, such as Na, N, and O, on both sides of the equation.

3. Begin balancing by adjusting the coefficients of the compounds that have the most elements first.
Start by balancing elements that appear in only one compound on either side of the equation.

4. Continue balancing the remaining elements.
Adjust the coefficients of other compounds as necessary to balance the remaining elements.

5. Verify that the equation is balanced.
Count the number of atoms for each element on both sides of the equation to ensure balance.

Once you have provided the missing information, such as the substance that is activated by heat (ht), I can help you complete the reaction.