Domanda del libro di testo
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you were to do the following? (c) Decrease the volume by 45% at constant T
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Ch.10 - Gases: Their Properties & Behavior
McMurry8th EditionChemistryISBN: 9781292336145
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TOC.tableOfContents
- Ch.1 - Chemical Tools: Experimentation & Measurement170
- Ch.2 - Atoms, Molecules & Ions160
- Ch.3 - Mass Relationships in Chemical Reactions169
- Ch.4 - Reactions in Aqueous Solution199
- Ch.5 - Periodicity & Electronic Structure of Atoms102
- Ch.6 - Ionic Compounds: Periodic Trends and Bonding Theory92
- Ch.7 - Covalent Bonding and Electron-Dot Structures61
- Ch.8 - Covalent Compounds: Bonding Theories and Molecular Structure59
- Ch.9 - Thermochemistry: Chemical Energy122
- Ch.10 - Gases: Their Properties & Behavior155
- Ch.11 - Liquids & Phase Changes54
- Ch.12 - Solids and Solid-State Materials73
- Ch.13 - Solutions & Their Properties120
- Ch.14 - Chemical Kinetics98
- Ch.15 - Chemical Equilibrium125
- Ch.16 - Aqueous Equilibria: Acids & Bases110
- Ch.17 - Applications of Aqueous Equilibria147
- Ch.18 - Thermodynamics: Entropy, Free Energy & Equilibrium86
- Ch.19 - Electrochemistry154
- Ch.20 - Nuclear Chemistry96
- Ch.21 - Transition Elements and Coordination Chemistry156
- Ch.22 - The Main Group Elements187
- Ch.23 - Organic and Biological Chemistry51
Capitolo 10, Problema 48b
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you were to do the following? (b) Reduce the amount of gas by one-third while holding the temperature and volume constant
Guida verificata passo dopo passo1
Step 1: Understand the problem. We are asked to determine the effect on the gas pressure inside a cylinder if the amount of gas is reduced by one-third while the temperature and volume are held constant.
Step 2: Recall the ideal gas law, which states that the pressure of a gas is directly proportional to the number of moles of gas (n) and the temperature (T), and inversely proportional to the volume (V). It is expressed as P = nRT/V, where R is the ideal gas constant.
Step 3: Since the temperature and volume are held constant in this scenario, we can simplify the ideal gas law to P ∝ n. This means that the pressure is directly proportional to the number of moles of gas.
Step 4: If the amount of gas is reduced by one-third, this means that the number of moles of gas (n) is reduced by one-third. Because pressure is directly proportional to the number of moles, the pressure will also decrease.
Step 5: Therefore, if the amount of gas is reduced by one-third while the temperature and volume are held constant, the gas pressure inside the cylinder will decrease by one-third.
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Ideal Gas Law
The Ideal Gas Law relates the pressure, volume, temperature, and amount of gas in a system through the equation PV = nRT. In this equation, P represents pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is temperature. Understanding this relationship is crucial for predicting how changes in the amount of gas affect pressure when other variables are held constant.
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Percorso guidato
01:15
Ideal Gas Law Formula
Gas Pressure
Gas pressure is defined as the force exerted by gas molecules colliding with the walls of their container. It is influenced by the number of gas particles, their temperature, and the volume of the container. When the amount of gas is reduced while keeping temperature and volume constant, the frequency of collisions decreases, leading to a decrease in pressure.
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01:15Pressure Units
Avogadro's Principle
Avogadro's Principle states that equal volumes of gases, at the same temperature and pressure, contain an equal number of molecules. This principle implies that if the amount of gas is reduced, the number of gas molecules decreases, which directly affects the pressure in a closed system. In this scenario, reducing the gas by one-third will result in a proportional decrease in pressure.
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Percorso guidato
02:05Uncertainty Principle Formula
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