* Answer the following question no 1to 5 in short.
[Each question is of 1 mark]
1) What is value of '2' of ideal gas or read gar
27 What is Boyle temperture ?
3) Give vander waal's equation for real gases.
4) What are extensive and intensive properties of substance
Give examples.
5) What are the enthalpies of all elements in their
standard states ?
Answers
Answer:
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Explanation:
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11th
Chemistry
States of Matter
Behaviour of Real Gases
Which of the following stat...
CHEMISTRY
Which of the following statements(s) is/are correct?
This question has multiple correct options
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ANSWER
(A) At Boyle's temperature, a real gas behaves as ideal gas for a wide range of temperature and pressure
T
B
=
bR
a
=
2T
i
1
Here, T
B
is Boyle's temperature, a and b are van der Waal's constants and T
i
is the inversion temperature.
(B) At Boyle's temperature, van der Wall's constant a and b compensate each other
(C) The area under the maxwell distribution molecular speed curve remains the same irrespective of the temperature of the gas.
(D) The fraction of molecules with most probable speed decreases with the increase of temperature.
M
2RT
With the increase in the temperature, the most probable velocity increases and the fraction of molecules decreases.
Hence, the correct options are A, B and C