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Pepsi [2]
3 years ago
14

Question 22 A mixture of krypton and argon gas is expanded from a volume of 33.0L to a volume of 61.0L , while the pressure is h

eld constant at 58.0atm . Calculate the work done on the gas mixture. Be sure your answer has the correct sign (positive or negative) and the correct number of significant digits.
Chemistry
1 answer:
nalin [4]3 years ago
5 0

Answer : The work done on the gas mixture is -164 kJ

Explanation :

Formula used :

w=-p\Delta V\\\\w=-p(V_2-V_1)

where,

w = work done  = ?

p = pressure of the gas = 58.0 atm

V_1 = initial volume = 33.0 L

V_2 = final volume = 61.0 L

Now put all the given values in the above formula, we get:

w=-p(V_2-V_1)

w=-(58.0atm)\times (61.0-33.0)L

w=-1624L.atm=-1624\times 101.3J=-164511.2J=-164.5kJ\aprrox -164kJ

conversion used : (1 L.atm = 101.3 J)

Therefore, the work done on the gas mixture is -164 kJ

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