Textbook Question
Write the balanced chemical equation for the reaction of aqueous potassium hydroxide with aqueous iron(III) chloride to form solid iron(III) hydroxide and aqueous potassium chloride.
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Ch.4 - Chemical Reactions and Chemical Quantities
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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Table of contents
- Ch.1 - Matter, Measurement & Problem Solving90
- Ch.2 - Atoms & Elements94
- Ch.3 - Molecules and Compounds103
- Ch.4 - Chemical Reactions and Chemical Quantities46
- Ch.5 - Introduction to Solutions and Aqueous Solutions65
- Ch.6 - Gases100
- Ch.7 - Thermochemistry85
- Ch.8 - The Quantum-Mechanical Model of the Atom51
- Ch.9 - Periodic Properties of the Elements79
- Ch.10 - Chemical Bonding I: The Lewis Model70
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory68
- Ch.12 - Liquids, Solids & Intermolecular Forces44
- Ch.13 - Solids & Modern Materials42
- Ch.14 - Solutions77
- Ch.15 - Chemical Kinetics88
- Ch.16 - Chemical Equilibrium57
- Ch.17 - Acids and Bases121
- Ch.18 - Aqueous Ionic Equilibrium126
- Ch.19 - Free Energy & Thermodynamics80
- Ch.20 - Electrochemistry87
- Ch.21 - Radioactivity & Nuclear Chemistry61
- Ch.22 - Organic Chemistry114
Chapter 4, Problem 22d
Write the balanced chemical equation for each reaction.
c. Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas.
d. Gaseous ammonia (NH3) reacts with gaseous oxygen to form gaseous nitrogen monoxide and gaseous water.
Verified step by step guidance1
Identify the reactants and products in the chemical reaction: Reactants are NH_3 (ammonia) and O_2 (oxygen), and products are NO (nitrogen monoxide) and H_2O (water).
Write the unbalanced chemical equation using the chemical formulas: NH_3 + O_2 \(\rightarrow\) NO + H_2O.
Balance the nitrogen atoms: There is 1 nitrogen atom in NH_3 and 1 in NO, so they are already balanced.
Balance the hydrogen atoms: There are 3 hydrogen atoms in NH_3 and 2 in H_2O. To balance, place a coefficient of 2 in front of NH_3 and a coefficient of 3 in front of H_2O.
Balance the oxygen atoms: After balancing hydrogen, there are 2 oxygen atoms in NO and 3 in H_2O, totaling 5 oxygen atoms. Place a coefficient of \(\frac{5}{2}\) in front of O_2, or alternatively, double all coefficients to avoid fractions.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Balancing Chemical Equations
Balancing chemical equations involves ensuring that the number of atoms for each element is the same on both the reactant and product sides. 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.
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Chemical Reaction Types
The reaction described is a combustion reaction, where a substance reacts with oxygen to produce energy, typically in the form of heat and light. In this case, ammonia (NH3) reacts with oxygen (O2) to produce nitrogen monoxide (NO) and water (H2O). Understanding the type of reaction helps in predicting the products and balancing the equation.
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Stoichiometry
Stoichiometry is the calculation of reactants and products in chemical reactions based on their molar ratios. It allows chemists to determine how much of each substance is needed or produced in a reaction. In balancing the equation for the reaction between ammonia and oxygen, stoichiometric coefficients will be used to ensure that the number of atoms of each element is conserved.
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Related Practice
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Write the balanced chemical equation for each reaction. c. Aqueous hydrochloric acid reacts with solid manganese(IV) oxide to form aqueous manganese(II) chloride, liquid water, and chlorine gas.
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