x ylinder which Isln A G scientific calculator . Go com/ibiscms/mod/ibis/view.ph

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x ylinder which Isln A G scientific calculator . Go com/ibiscms/mod/ibis/view.php?id-4908282 Jump to... 1/31/2018 1 1:59 PM O 67.5/100 Question 7 af 10 Map doo Sapling Learning A cylinder which is in a horizontal position contains an unknown noble gas at 5 26 10* Pa and is sealed with a massless piston The piston is slowly. Sobancal moved mward0 215 , while 1 86 101 J of heat is removed from the gas. if the piston has a racius of 0 294 m, calculate the change in internal energy of he system Po Des Poli 100 11

Explanation / Answer

P = 5.26 x 10^4 Pa

for isobaric process,

W = P deltaV

= P A delta(h)

= (5.26 x 10^4) (pi 0.294^2) (-0.294)

W = - 4199.3 J

Q = - 1.86 x 10^4 J

deltaU = Q - W

= - 1.44 x 10^4 J .....Ans

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