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A balloon is filled with helium at a pressure of 1.0 105 Pa.The balloon is at a temperature of 23°C and has a radius of0.18 m.

(a) How many helium atoms are contained in the balloon?

(b) Suppose we increase the number of helium atoms in the balloonby a factor of 5, keeping the pressureand the temperature fixed. By what factor does the radius of theballoon increase?

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Category:- Physics
Reference No.:- M91096711

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