Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
The volume increases
B
The volume decreases
C
The volume remains the same
D
The volume fluctuates randomly
Understanding the Answer
Let's break down why this is correct
Answer
According to the Ideal Gas Law, \(PV = nRT\). If the temperature \(T\) stays the same and the pressure \(P\) goes up, the product \(PV\) must stay constant for a fixed amount of gas, so the volume \(V\) must shrink. Think of a balloon: squeezing it raises the pressure inside, so the balloon’s size (volume) becomes smaller. For example, if a gas at 1 atm pressure and 300 K is compressed to 2 atm while keeping 300 K, its volume will drop to half its original size. Thus, higher pressure at constant temperature leads to a smaller volume.
Detailed Explanation
When pressure goes up, the gas molecules squeeze tighter, so the space they occupy becomes smaller. Other options are incorrect because Some think higher pressure pushes gas out, making volume larger; People may believe volume stays the same if temperature is constant.
Key Concepts
Ideal Gas Law
Boyle's Law
Pressure-Volume Relationship
Topic
Ideal Gas Law
Difficulty
hard level question
Cognitive Level
understand
Practice Similar Questions
Test your understanding with related questions
1
Question 1If the volume of a gas increases while the temperature remains constant, what happens to the pressure of the gas according to Boyle's Law?
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2
Question 2If a gas is heated from 300 K to 600 K while the volume remains constant, what is the expected change in pressure according to Gay-Lussac's Law?
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3
Question 3If the volume of a gas increases while the temperature and the amount of gas remain constant, what is the most likely cause of this change according to the Ideal Gas Law?
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