how do I do 37? s 15 A gas-filled balloon having a walume of 250 L al 5.50 A com

Question

how do I do 37?

s 15 A gas-filled balloon having a walume of 250 L al 5.50 A comp Uwed aplaere about 30 ku abore the surface of Earth, where the temperatue ard c and 3. x 10 aun, ospectively. Calculate the final 5.51 Whal volume the ballot. 5.36 The temporalure of 25 T ot a gns juilially at STP is 10 at raised uu 250 C al consuunt volube. Calculale the s s2 The final pressure mf tho gas in ntu. e 5.37 The pressure of 6.0 of an ideal gas in a nexible Intainer is decreased tn one-third cif its original pressure, and its absolute temperature is dc- Gas Stoich creased by one-half. What is the final volume of the gas? Problems 5.38 A gas evolved during the fermelita in ur glucose 5.53 con

Explanation / Answer

Recall

P1V1/T1 = P2V2/T2

P1 = ?

V1 = 6 L

decreased by 1/3 of original P1

and T2 is decreased by 1/2 of T1

then, find Final V, that is V2

Let us not use numbers but simply use T1 and P1 for T2 and P2

so

P2 = 1/3*P1 (one third of original pressure)

T2 = 1/2*T2 = (one half of original Temperature)

substitute in equation

P1*6 / (T1) = (1/3*P1)*V2 / (1/2T2)

cancel common terms

6 = 2/3*V2

solve for V2

V2 = 3*6/2 = 9 L

the overall effect of this process is an increase in volume towards V = 9 L

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