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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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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement177
- Ch.2 - Atoms, Molecules, and Ions231
- Ch.3 - Chemical Reactions and Reaction Stoichiometry216
- Ch.4 - Reactions in Aqueous Solution189
- Ch.5 - Thermochemistry175
- Ch.6 - Electronic Structure of Atoms168
- Ch.7 - Periodic Properties of the Elements150
- Ch.8 - Basic Concepts of Chemical Bonding177
- Ch.9 - Molecular Geometry and Bonding Theories200
- Ch.10 - Gases179
- Ch.11 - Liquids and Intermolecular Forces113
- Ch.12 - Solids and Modern Materials154
- Ch.13 - Properties of Solutions157
- Ch.14 - Chemical Kinetics199
- Ch.15 - Chemical Equilibrium128
- Ch.16 - Acid-Base Equilibria164
- Ch.17 - Additional Aspects of Aqueous Equilibria163
- Ch.18 - Chemistry of the Environment105
- Ch.19 - Chemical Thermodynamics164
- Ch.20 - Electrochemistry171
- Ch.21 - Nuclear Chemistry122
- Ch.22 - Chemistry of the Nonmetals82
- Ch.23 - Transition Metals and Coordination Chemistry79
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry16
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Non è quello che usi tu?Cambia libro di testo
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Brown 14th EditionCh.3 - Chemical Reactions and Reaction StoichiometryProblema 19c
Brown 14th EditionCh.3 - Chemical Reactions and Reaction StoichiometryProblema 19cCapitolo 3, Problema 19c
Write a balanced chemical equation for the reaction that occurs when (c) the hydrocarbon styrene, C8H81l2, is combusted in air
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Identify the reactants and products in the combustion reaction. The reactants are styrene \( \text{C}_8\text{H}_8 \) and oxygen \( \text{O}_2 \), and the products are carbon dioxide \( \text{CO}_2 \) and water \( \text{H}_2\text{O} \).
Write the unbalanced chemical equation: \( \text{C}_8\text{H}_8 + \text{O}_2 \rightarrow \text{CO}_2 + \text{H}_2\text{O} \).
Balance the carbon atoms first. There are 8 carbon atoms in styrene, so you need 8 \( \text{CO}_2 \) molecules: \( \text{C}_8\text{H}_8 + \text{O}_2 \rightarrow 8\text{CO}_2 + \text{H}_2\text{O} \).
Balance the hydrogen atoms next. There are 8 hydrogen atoms in styrene, so you need 4 \( \text{H}_2\text{O} \) molecules: \( \text{C}_8\text{H}_8 + \text{O}_2 \rightarrow 8\text{CO}_2 + 4\text{H}_2\text{O} \).
Finally, balance the oxygen atoms. Count the total oxygen atoms needed on the right side (8 \( \text{CO}_2 \) gives 16 O, and 4 \( \text{H}_2\text{O} \) gives 4 O, totaling 20 O). Therefore, you need 10 \( \text{O}_2 \) molecules on the left: \( \text{C}_8\text{H}_8 + 10\text{O}_2 \rightarrow 8\text{CO}_2 + 4\text{H}_2\text{O} \).
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Combustion Reactions
Combustion reactions involve the reaction of a substance with oxygen, typically producing heat and light. In organic chemistry, hydrocarbons combust to form carbon dioxide and water. Understanding the general form of combustion reactions is essential for writing balanced equations.
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02:24
Combustion Apparatus
Balancing Chemical Equations
Balancing chemical equations ensures that the number of atoms for each element is the same on both sides of the equation, adhering to the law of conservation of mass. This process involves adjusting coefficients in front of compounds to achieve balance, which is crucial for accurately representing chemical reactions.
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Percorso guidato
01:32Balancing Chemical Equations
Stoichiometry
Stoichiometry is the quantitative relationship between reactants and products in a chemical reaction. It allows chemists to calculate the amounts of substances consumed and produced, which is vital when balancing equations and predicting the outcomes of reactions, such as combustion.
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01:16Stoichiometry Concept
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