1.- A balloon is inflated to a volume of 3.2 liters at room temperature (23oC) and...

1.- A balloon is inflated to a volume of 3.2 liters at room temperature (23oC) and placed into a freezer where the temperature is 3oC. What is the volume of the balloon when it reaches 3oC, in liters?.

2.- What is the partial pressure (in atm) of SO₃ if 1.11 moles of SO₃ are mixed with 3.02 moles of O₂ and the total pressure in the container is 6.84 atm?

3.- A cylinder contains three gases; A, B, and C. If the partial pressure of gas A (P_A) = 272 torr, P_B = 119 torr and the total pressure (P_T) = 873 torr, what is the partial pressure of gas C (P_C) in torr?

Solutions

Expert Solution

1. According to Charle's law

V1/T1 = V2/T2

3.2/296 = V2/303

V2 = 3.276 L

2. molefraction of SO3 = 1.11/(1.11+ 3.02) = 0.269

molefraction of O2 = 3.02/(1.11+3.02) = 0.731

Partial pressure = molefraction*Total pressure

= 0.269*6.84

= 1.84 atm

3. Pressure of gas C = Total pressure - (Pressure of gas A+Pressure of gas B)

= 873 - (272+119)

= 482 torr

queen_honey_blossom answered 1 year ago

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