Nitrous oxide (N2 O) is also called "laughing gas." It can...

Nitrous oxide $\left(\mathrm{N}_{2} \mathrm{O}\right)$ is also called "laughing gas." It can be prepared by the thermal decomposition of ammonium nitrate $\left(\mathrm{NH}_{4} \mathrm{NO}_{3}\right)$. The other product is $\mathrm{H}_{2} \mathrm{O}$. (a) Write a balanced equation for this reaction. (b) How many grams of $\mathrm{N}_{2} \mathrm{O}$ are formed if 0.46 mole of $\mathrm{NH}_{4} \mathrm{NO}_{3}$ is used in the reaction?

Nitrous oxide $\left(\mathrm{N}_{2} \mathrm{O}\right)$ is also called "laughing gas." It can be prepared by the thermal decomposition of ammonium nitrate $\left(\mathrm{NH}_{4} \mathrm{NO}_{3}\right)$. The other product is $\mathrm{H}_{2} \mathrm{O}$.
(a) Write a balanced equation for this reaction.
(b) How many grams of $\mathrm{N}_{2} \mathrm{O}$ are formed if 0.46 mole of $\mathrm{NH}_{4} \mathrm{NO}_{3}$ is used in the reaction?

Key Concepts

Molar Mass Calculation

Molar mass calculation is the process of determining the mass of one mole of a substance, typically expressed in grams per mole. This calculation is key for converting between the mass of a substance used in a reaction and the number of moles, thus facilitating stoichiometric computations.

Mole Concept

The mole concept is a central idea in chemistry that provides a bridge between the atomic scale and everyday quantities of material. It defines the mole as a specific number of particles (Avogadro’s number) and is used to relate the mass of substances to the number of atoms or molecules present.

Thermal Decomposition

Thermal decomposition is a chemical reaction where a compound breaks down into two or more simpler substances when heated. This type of reaction is fundamental in understanding how compounds change under the influence of heat, and it is commonly used in laboratory and industrial chemical processes.

Balanced Chemical Equation

A balanced chemical equation accurately represents the conservation of mass, showing the same number of atoms for each element on both sides of the reaction. It is essential for correctly describing a chemical reaction and is the basis for further quantitative calculations such as stoichiometry.

Stoichiometry

Stoichiometry involves the quantitative relationships between the reactants and products in a chemical reaction. It relies on the balanced chemical equation to determine how much of each substance is consumed or produced, allowing for calculations such as converting moles of one substance to grams of another.

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