Textbook Question
Balance each of the following by adding coefficients, and identify the type of reaction for each:
a.
Ch.7 Chemical Quantities and Reactions
Timberlake13th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9780134421353
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Table of contents
- Ch.1 Chemistry in Our Lives11
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy54
- Ch.4 Atoms and Elements51
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions41
- Ch.8 Gases29
- Ch.9 Solutions51
- Ch.10 Acids and Bases and Equilibrium65
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons78
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones83
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides90
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis83
- Ch.18 Metabolic Pathways and ATP Production67
Timberlake13th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9780134421353Not the one you use?Change textbook
Chapter 7, Problem 83b
Balance each of the following by adding coefficients, and identify the type of reaction for each:
b. 
Verified step by step guidance1
Step 1: Analyze the image. The reactants consist of a molecule with two red spheres, two blue spheres, and three purple spheres. The products consist of a molecule with two blue spheres, a single red sphere, and a single purple sphere.
Step 2: Write the unbalanced chemical equation based on the image. Represent the reactants and products using their respective colors or chemical symbols. For example, the reactants could be written as AB2 + C3, and the products as B2 + A + C.
Step 3: Balance the equation by ensuring the number of atoms of each element is the same on both sides of the equation. Adjust the coefficients in front of each compound to achieve this balance.
Step 4: Identify the type of reaction. Based on the image, this appears to be a decomposition reaction, where a single compound breaks down into simpler substances.
Step 5: Verify the balanced equation by counting the atoms of each element on both sides to ensure they match. Double-check the reaction type classification.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Chemical Reaction Types
Chemical reactions can be classified into several types, including synthesis, decomposition, single replacement, and double replacement. Each type has distinct characteristics based on how reactants interact and transform into products. Understanding these categories helps in predicting the products of a reaction and balancing chemical equations.
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Types of Chemical Reactions Concept 1
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 achieved by adjusting coefficients in front of the chemical formulas. Balancing is crucial for obeying the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction.
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Molecular Representation
Molecular representation uses symbols and diagrams to depict the structure and composition of molecules involved in a chemical reaction. In the provided image, colored spheres represent different atoms or molecules, illustrating how they combine or separate during the reaction. This visual aid is essential for understanding the reactants and products in a chemical equation.
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Related Practice
Textbook Question
Using the models of the molecules (black = C, white = H, yellow = S, red = O), determine each of the following for models of compounds 1 and 2:
c. number of moles in 10.0 g
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Textbook Question
If red spheres represent oxygen atoms, blue spheres represent nitrogen atoms, and all the molecules are gases,
b. write a balanced equation for the reaction.
Textbook Question
Ibuprofen, an anti-inflammatory drug in Advil, has the formula C13H18O2.
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d. How many moles of ibuprofen contain 1.22 × 1023 atoms of C?
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Textbook Question
If red spheres represent oxygen atoms, blue spheres represent nitrogen atoms, and all the molecules are gases,
c. indicate the type of reaction as combination, decomposition, single replacement, double replacement, or combustion.
Textbook Question
If red spheres represent oxygen atoms, blue spheres represent nitrogen atoms, and all the molecules are gases,
a. write the formula for each of the reactants and products.
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