Textbook Question
Write a balanced chemical equation for the reaction that occurs when (a) titanium metal reacts with O21g2
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Ch.3 - Chemical Reactions and Reaction Stoichiometry
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
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Table of contents
- Ch.1 - Introduction: Matter, Energy, and Measurement140
- Ch.2 - Atoms, Molecules, and Ions192
- Ch.3 - Chemical Reactions and Reaction Stoichiometry172
- Ch.4 - Reactions in Aqueous Solution156
- Ch.5 - Thermochemistry151
- Ch.6 - Electronic Structure of Atoms137
- Ch.7 - Periodic Properties of the Elements127
- Ch.8 - Basic Concepts of Chemical Bonding143
- Ch.9 - Molecular Geometry and Bonding Theories167
- Ch.10 - Gases147
- Ch.11 - Liquids and Intermolecular Forces97
- Ch.12 - Solids and Modern Materials129
- Ch.13 - Properties of Solutions126
- Ch.14 - Chemical Kinetics175
- Ch.15 - Chemical Equilibrium107
- Ch.16 - Acid-Base Equilibria127
- Ch.17 - Additional Aspects of Aqueous Equilibria133
- Ch.18 - Chemistry of the Environment88
- Ch.19 - Chemical Thermodynamics140
- Ch.20 - Electrochemistry137
- Ch.21 - Nuclear Chemistry99
- Ch.22 - Chemistry of the Nonmetals66
- Ch.23 - Transition Metals and Coordination Chemistry69
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry11
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Not the one you use?Change textbook
Chapter 3, Problem 21a
Balance the following equations and indicate whether they are combination, decomposition, or combustion reactions: (a) C3H6(s) + O2(g) → CO2(g) + H2O(l)
Verified step by step guidance1
Identify the type of reaction: This is a combustion reaction because it involves a hydrocarbon (C_3H_6) reacting with oxygen (O_2) to produce carbon dioxide (CO_2) and water (H_2O).
Write the unbalanced chemical equation: C_3H_6(s) + O_2(g) → CO_2(g) + H_2O(l).
Balance the carbon atoms: There are 3 carbon atoms in C_3H_6, so place a coefficient of 3 in front of CO_2 to balance the carbon atoms.
Balance the hydrogen atoms: There are 6 hydrogen atoms in C_3H_6, so place a coefficient of 3 in front of H_2O to balance the hydrogen atoms.
Balance the oxygen atoms: Count the total oxygen atoms needed on the right side (3 CO_2 gives 6 O atoms and 3 H_2O gives 3 O atoms, totaling 9 O atoms). Place a coefficient of 9/2 in front of O_2 to balance the oxygen atoms, or multiply the entire equation by 2 to avoid fractions.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Types of Chemical Reactions
Chemical reactions can be classified into several types, including combination, decomposition, and combustion reactions. A combination reaction involves two or more substances combining to form a single product, while a decomposition reaction involves a single compound breaking down into two or more simpler products. Combustion reactions typically involve a hydrocarbon reacting with oxygen to produce carbon dioxide and water.
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Common Types of Alkane Reactions
Balancing Chemical Equations
Balancing chemical equations is essential to ensure that the law of conservation of mass is upheld, meaning the number of atoms of each element must be the same on both sides of the equation. This process involves adjusting the coefficients of the reactants and products to achieve balance. It is crucial for accurately representing the quantities of substances involved in a chemical reaction.
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Combustion of Hydrocarbons
The combustion of hydrocarbons, such as C3H6, is a specific type of reaction where the hydrocarbon reacts with oxygen to produce carbon dioxide and water. This reaction releases energy in the form of heat and light, making it an exothermic process. Understanding the products and reactants involved in combustion is vital for identifying the reaction type and balancing the equation correctly.
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Related Practice
Textbook Question
Balance the following equations and indicate whether they are combination, decomposition, or combustion reactions: (b) NH4NO3(s) → N2O(g) + H2O(g) (c) Zn(OH)2(s) → ZnO(s) + H2O(l) (d) Ag2O(s) → Ag(s) + O2(g)
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Textbook Question
Write a balanced chemical equation for the reaction that occurs when (a) Mg(s) reacts with Cl2(g)
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Textbook Question
Determine the formula weights of each of the following compounds: (a) Butyric acid, CH3CH2CH2COOH, which is responsible for the rotten smell of spoiled food (b) sodium perborate, NaBO3, a substance used as bleach (c) CF2Cl2, a refrigerant known as Freon (d) NaHCO3, known as baking soda and used in bread and pastry baking (e) isopentyl acetate, CH3CO2C5H11, responsible for the odor of bananas.
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Textbook Question
Write a balanced chemical equation for the reaction that occurs when (c) the hydrocarbon styrene, C8H81l2, is combusted in air
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Textbook Question
Balance the following equations and indicate whether they are combination, decomposition, or combustion reactions: (a) NaClO3(s) → NaCl(s) + O2(g) (b) NH4OH(aq) → H2O(l) + NH3(g) (c) K(s) + Cl2(g) → KCl(s) (d) C2H5OH(l) + O2(g) → CO2(g) + H2O(l)
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