뒤로Introduction to Chemistry: Step-by-Step Study Guidance
스터디 가이드 - 스마트 노트
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본문
Q1. How many moles of gas are in a 5.0 L sample at 2.0 atm and 300 K?
Background
Topic: Ideal Gas Law
This question tests your ability to use the ideal gas law to determine the number of moles of a gas given its pressure, volume, and temperature.
Key Terms and Formulas
Ideal Gas Law:
P = pressure (atm)
V = volume (L)
n = number of moles
R = ideal gas constant ()
T = temperature (K)
Step-by-Step Guidance
Identify the known values: , , , .
Write the ideal gas law equation: .
Rearrange the equation to solve for : .
Plug in the known values into the rearranged equation, making sure all units are correct.
Try solving on your own before revealing the answer!
Final Answer: 0.41 mol
mol
By substituting the values into the ideal gas law and solving, you find the number of moles in the sample.
