le Help er 10 87545974 in ± Changes in Volume Part A nside a relationship among

Question

le Help er 10 87545974 in ± Changes in Volume Part A nside a relationship among pressure P, volume V, temperature T. and molar amount n. When some of these variables are constant, the ideal gas law can be The initial volume was 3.00 L and the initial pressure of pushed down to c chiorine was 1.20 atm. The piston was e Home the volume to 1.00 L. Calculate the final pressure of the gas if the Late Work constant: ng Policy Boyle's law PV nRT knand T Pna Value Units of 1 My Answers Give Up Part B taken outside on a hot summer day, the balloon expanded to 51.0 em in diameter. What was the outsideán degrees Colsius? Assume nat the baloon is a perflect sphore and that the pressure and number of moles of air molecules remains the same V-3.00 L -1.00L Hints 8

Explanation / Answer

Part A

As per Boyle's law,

P1V1 = P2V2

P1 =1.2 atm

Part B

v1 = 3 L

P2= ?

V2 = 1 L

V2 = 3*1.2/1 = 3.6 atm (new pressure is 1.2 atm)

Part B

By Charles's Law

V1/T1 = V2/T2

Volume = 4/3 pi r3

For V1 and V2 4//3 Pi will come and cancell each other.

thus,

(25)3/292 = (25.5)3/T2 (kindly note that temperature is in Kelvin scale)

T2 = 309.87 K

on converting to degree Celsius = 36.87 degree Celsius

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