Domanda del libro di testo
In Section 11.5, we defined the vapor pressure of a liquid in terms of an equilibrium. (b) By using data in Appendix B, give the value of Kp for this reaction at 30 C.
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Ch.15 - Chemical Equilibrium
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
Capitolo 15, Problema 98e
The phase diagram for SO2 is shown here. (e) At which of the three red points does SO2(g) behave least ideally?
Guida verificata passo dopo passo1
Identify the three red points on the phase diagram: A, B, and C.
Recall that gases behave least ideally at high pressures and low temperatures.
Examine the phase diagram to determine the pressure and temperature at each of the three points.
Compare the pressures and temperatures at points A, B, and C to determine which point has the highest pressure and/or lowest temperature.
Conclude that the point with the highest pressure and/or lowest temperature is where SO2(g) behaves least ideally.
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Ideal Gas Behavior
Ideal gas behavior refers to the theoretical behavior of gases that follow the ideal gas law (PV=nRT) perfectly, where pressure (P), volume (V), temperature (T), and the number of moles (n) are related. Real gases deviate from this behavior under high pressure and low temperature, where intermolecular forces and molecular volume become significant. Understanding these deviations is crucial for determining conditions under which a gas behaves least ideally.
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Percorso guidato
01:15
Ideal Gas Law Formula
Phase Diagrams
A phase diagram is a graphical representation that shows the phases of a substance (solid, liquid, gas) as a function of temperature and pressure. It includes critical points, triple points, and phase boundaries, which indicate the conditions under which different phases coexist. Analyzing phase diagrams helps predict the state of a substance under varying conditions and is essential for understanding the behavior of SO2 in the given question.
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03:22Phase Changes in Diagrams
Critical Point
The critical point on a phase diagram marks the end of the liquid-gas phase boundary, beyond which the distinction between liquid and gas phases disappears, resulting in a supercritical fluid. At this point, properties of the substance change dramatically, and it can exhibit behaviors of both phases. Understanding the critical point is vital for identifying conditions where SO2 behaves least ideally, as gases near this point often show significant deviations from ideal behavior.
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03:05Boiling Point Elevation
Pratica correlata
Domanda del libro di testo
The following equilibria were measured at 823 K: CoO(s) + H2(g) ⇌ Co(s) + H2O(g) Kc = 67 H2(g) + CO2(g) ⇌ CO(g) + H2O(g) Kc = 0.14 (a) Use these equilibria to calculate the equilibrium constant, Kc, for the reaction CoO(s) + CO(g) ⇌ Co(s) + CO2(g) at 823 K.
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Domanda del libro di testo
The following equilibria were measured at 823 K: CoO(s) + H2(g) ⇌ Co(s) + H2O(g) Kc = 67 H2(g) + CO2(g) ⇌ CO(g) + H2O(g) Kc = 0.14 (d) If the reaction vessel from part (c) is heated to 823 K and allowed to come to equilibrium, how much CoO(s) remains?
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Domanda del libro di testo
The phase diagram for SO2 is shown here. (d) At which of the three points marked in red does SO2(g) most closely approach ideal-gas behavior?
767
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Domanda del libro di testo
In Section 11.5, we defined the vapor pressure of a liquid in terms of an equilibrium. (a) Write the equation representing the equilibrium between liquid water and water vapor and the corresponding expression for Kp.
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