Domanda del libro di testo
Write an equation for the reaction in which H2C6H7O5-1aq2 acts as an acid in H2O1l2.
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Ch.16 - Acid-Base Equilibria
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement146
- Ch.2 - Atoms, Molecules, and Ions200
- Ch.3 - Chemical Reactions and Reaction Stoichiometry176
- Ch.4 - Reactions in Aqueous Solution155
- Ch.5 - Thermochemistry126
- Ch.6 - Electronic Structure of Atoms131
- Ch.7 - Periodic Properties of the Elements126
- Ch.8 - Basic Concepts of Chemical Bonding123
- Ch.9 - Molecular Geometry and Bonding Theories143
- Ch.10 - Gases147
- Ch.11 - Liquids and Intermolecular Forces91
- Ch.12 - Solids and Modern Materials122
- Ch.13 - Properties of Solutions126
- Ch.14 - Chemical Kinetics174
- Ch.15 - Chemical Equilibrium101
- Ch.16 - Acid-Base Equilibria139
- Ch.17 - Additional Aspects of Aqueous Equilibria146
- Ch.18 - Chemistry of the Environment72
- Ch.19 - Chemical Thermodynamics129
- Ch.20 - Electrochemistry142
- Ch.21 - Nuclear Chemistry101
- Ch.22 - Chemistry of the Nonmetals68
- Ch.23 - Transition Metals and Coordination Chemistry66
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry10
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970Non è quello che usi tu?Cambia libro di testo
Capitolo 16, Problema 25a
Label each of the following as being a strong base, a weak base, or a species with negligible basicity. In each case write the formula of its conjugate acid, and indicate whether the conjugate acid is a strong acid, a weak acid, or a species with negligible acidity: (a) CH3COO-
Guida verificata passo dopo passo1
Step 1: Identify the given species. In this case, we have CH3COO-, which is the acetate ion.
Step 2: Determine the basicity of the given species. The acetate ion is a weak base because it accepts a proton (H+) to form its conjugate acid but does not ionize completely in water.
Step 3: Write the formula of its conjugate acid. The conjugate acid of CH3COO- is CH3COOH, which is acetic acid. This is formed when CH3COO- accepts a proton (H+).
Step 4: Determine the acidity of the conjugate acid. Acetic acid (CH3COOH) is a weak acid because it donates a proton (H+) but does not ionize completely in water.
Step 5: Summarize the findings. CH3COO- is a weak base and its conjugate acid, CH3COOH, is a weak acid.
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Acid-Base Theory
Acid-base theory explains the behavior of acids and bases in chemical reactions. According to the Brønsted-Lowry theory, acids are proton donors, while bases are proton acceptors. Understanding this theory is essential for classifying substances like CH3COO- and determining their conjugate acids.
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02:08
Bronsted-Lowry Acid-Base Theory
Conjugate Acid-Base Pairs
A conjugate acid-base pair consists of two species that differ by the presence or absence of a proton (H+). For example, when a base accepts a proton, it forms its conjugate acid. Recognizing these pairs helps in identifying the strength of acids and bases, such as determining the nature of CH3COO- and its conjugate acid, CH3COOH.
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01:30Conjugate Acid-Base Pairs
Strength of Acids and Bases
The strength of acids and bases is determined by their ability to dissociate in water. Strong acids completely ionize, while weak acids only partially ionize. Similarly, strong bases fully dissociate in solution, whereas weak bases do not. This concept is crucial for classifying CH3COO- and its conjugate acid, CH3COOH, in terms of their basicity and acidity.
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00:50Strength of Conjugate Acids and Bases
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Write an equation for the reaction in which H2C6H7O5-1aq2 acts as a base in H2O1l2.
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