Balance the following equations: d, NaN3(𝑠)+HNO2(𝑎𝑞)⟶N2(𝑔)+NO(𝑔)+NaOH(𝑎𝑞)

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Identify the reactants and products in the equation. Reactants are NaN3(s) and HNO2(aq), and the products are N2(g), NO(g), and NaOH(aq).

Write the unbalanced equation with the correct formulas for each compound: NaN3(s) + HNO2(aq) ⟶ N2(g) + NO(g) + NaOH(aq).

Balance the equation by adjusting the coefficients to ensure that the number of atoms for each element is the same on both sides of the equation. Start by balancing elements that appear in only one reactant and one product.

Check the balance of the equation by counting the atoms of each element on both sides of the equation to ensure they are equal.

Finally, verify that the charges (if any) are balanced on both sides of the equation, which is particularly important for ionic compounds.

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주요 개념

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Balancing Chemical Equations

Balancing chemical equations involves ensuring that the number of atoms for each element is the same on both sides of the equation. This is based on the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. To balance an equation, coefficients are adjusted in front of the chemical formulas to achieve equal atom counts.

Types of Chemical Reactions

Understanding the types of chemical reactions is crucial for balancing equations. The reaction in question is a redox reaction, where oxidation and reduction occur simultaneously. Identifying the reactants and products helps in determining how to balance the equation effectively, as different types of reactions may require different balancing strategies.

States of Matter in Reactions

Recognizing the states of matter (solid, liquid, gas, aqueous) in a chemical equation is essential for understanding the reaction conditions. In the given equation, NaN3 is a solid, HNO2 is aqueous, and the products include gases (N2 and NO) and an aqueous solution (NaOH). This information can influence the balancing process and the interpretation of the reaction's physical context.