Domanda del libro di testo
Which diagram best represents a liquid–liquid emulsion such as milk? The colored balls represent different liquid molecules. [Section 13.6]
1002
views
Ch.13 - Properties of Solutions
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
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 13, Problema 10b
This portion of a phase diagram shows the vapor–pressure curves of a volatile solvent and of a solution of that solvent containing a nonvolatile solute. (b) What are the normal boiling points of the solvent and the solution? [Section 13.5]
Guida verificata passo dopo passo1
Identify the phase diagram provided in the problem, focusing on the vapor-pressure curves for both the pure solvent and the solution.
Recall that the normal boiling point of a substance is the temperature at which its vapor pressure equals 1 atm (or 760 mmHg).
Locate the point on the vapor-pressure curve of the pure solvent where the pressure is 1 atm. The corresponding temperature is the normal boiling point of the solvent.
Similarly, locate the point on the vapor-pressure curve of the solution where the pressure is 1 atm. The corresponding temperature is the normal boiling point of the solution.
Note that the presence of a nonvolatile solute typically lowers the vapor pressure of the solution, resulting in a higher boiling point compared to the pure solvent. This phenomenon is known as boiling point elevation.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
1mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Phase Diagram
A phase diagram is a graphical representation that shows the phases of a substance at various temperatures and pressures. It illustrates the conditions under which distinct phases, such as solid, liquid, and gas, coexist. Understanding phase diagrams is crucial for interpreting the behavior of substances, particularly in relation to boiling points and vapor pressures.
Video consigliato:
Percorso guidato
03:22
Phase Changes in Diagrams
Vapor Pressure
Vapor pressure is the pressure exerted by a vapor in equilibrium with its liquid or solid form at a given temperature. It indicates how readily a substance will evaporate and is a key factor in determining boiling points. The normal boiling point of a liquid is defined as the temperature at which its vapor pressure equals atmospheric pressure, typically 1 atm.
Video consigliato:
Percorso guidato
02:40Raoult's Law and Vapor Pressure
Colligative Properties
Colligative properties are properties of solutions that depend on the number of solute particles in a given amount of solvent, rather than the identity of the solute. These properties include boiling point elevation and freezing point depression. When a nonvolatile solute is added to a solvent, the boiling point of the solution increases compared to that of the pure solvent, which is essential for determining the boiling points in the given question.
Video consigliato:
Percorso guidato
01:26Colligative Properties
Pratica correlata
Domanda del libro di testo
Suppose you had a balloon made of some highly flexible semipermeable membrane. The balloon is filled completely with a 0.2 M solution of some solute and is submerged in a 0.1 M solution of the same solute:
Initially, the volume of solution in the balloon is 0.25 L. Assuming the volume outside the semipermeable membrane is large, as the illustration shows, what would you expect for the solution volume inside the balloon once the system has come to equilibrium through osmosis? [Section 13.5]
451
views
Domanda del libro di testo
The figure shows two identical volumetric flasks containing the same solution at two temperatures. (b) Does the molality of the solution change with the change in temperature? [Section 13.4]
505
views