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Concept explainers
Interpretation: Amongst the given options, the right assumption of kinetic molecular theory is to be chosen.
Concept Introduction:
In order to understand the behaviour of gases, the model of kinetic molecular theory comes into picture. This model helps in predicting the exact behaviour of many gases in several conditions.
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Answer to Problem 1SAQ
Correct answer: The particles that compose a gas have an average kinetic energy that is proportional to the temperature in kelvins.
Therefore, option (c) is correct.
Explanation of Solution
Reason for correct option:
The average kinetic energy that arises due to motion of gas particles is a function of temperature. It is directly proportional to the temperature of the gas. This implies that with the increase in temperature, the movement of particles becomes faster and thus, the system possesses more energy.
Hence, option (c) is correct.
Reason for incorrect options:
Option (a)is incorrect because as per the assumptions of kinetic molecular theory there is neither attraction nor repulsion between the gas particles. The particles tend to collide among each other and the surrounding surfaces. So, it is a wrong answer.
Option (b)is incorrect because as per the assumptions of kinetic molecular theory a large amount of empty space prevails between the gaseous particles as compared to the size of the particles. So, it is a wrong answer.
Option (d)is incorrect because only option (c) holds correct statement in accordance with kinetic molecular theory. So, it is a wrong answer.
Hence, options (a), (b) and (d) are incorrect.
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Chapter 11 Solutions
Introductory Chemistry (5th Edition) (Standalone Book)
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