All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: If you have 2.00 L of a gas initially at 1.00 atm and 27 °C, what temperature will it have at 3.00 L and 1.25 atm?

Solution: If you have 2.00 L of a gas initially at 1.00 atm and 27 °C, what temperature will it have at 3.00 L and 1.25 atm?

Problem

If you have 2.00 L of a gas initially at 1.00 atm and 27 °C, what temperature will it have at 3.00 L and 1.25 atm?

Solution

Initially, a gas sample has a volume of 2.00 L at 27 ˚C and 1.00 atm. We’re being asked to determine the temperature of the gas if the pressure changes to 1.25 atm and the volume changes to 3.00 L.


Recall that the ideal gas law is:



The pressure, volume, and temperature of a gas are related to the number of moles of gas and the universal gas constant:



The value nR is constant. For a given moles of gas, the initial and final pressure, volume, and temperature of the gas are related by the combined gas law:



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