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Chapter 7 Study Of Gas Laws | Number Problems

Question 24

50 cm3 of hydrogen is collected over water at 17°C and 750 mm Hg pressure. Calculate the volume of dry gas at S.T.P. The water vapor pressure at 17°C is 14 mm Hg.

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V1 = V1

P1 = 760 atm

T1 = 273 K

V2 = 2V1

T2 =?

P2 = 50/100 x 760 = 380

P1V1/T1 = P2V2/T2

760 x V1/273 = 380 x 2V1/T2

T2 = 273 K

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Question 24

50 cm3 of hydrogen is collected over water at 17°C and 750 mm Hg pressure. Calculate the volume of dry gas at S.T.P. The water vapor pressure at 17°C is 14 mm Hg.

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

V1 = V1

P1 = 760 atm

T1 = 273 K

V2 = 2V1

T2 =?

P2 = 50/100 x 760 = 380

P1V1/T1 = P2V2/T2

760 x V1/273 = 380 x 2V1/T2

T2 = 273 K

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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