Assesment Card

IT'S TIME TO TEST YOUR KNOWLEDGE!

You have now learned so much about PRESSURE. Now, you're up for some test. God Speed!

Questions: 

1. A radio station announcer reports the atmospheric pressure to be 99.6 kPa. What is the pressure in atmospheres? In millimeters of mercury? (Level of Difficulty: Average)

 

2. A study of the effects of certain gases on plant growth requires a synthetic atmosphere composed of 1.5% CO2, 18.0%O2 and 85.0%Ar by moles. Calculate the partial pressure of O2 in the mixture if the total pressure of the atmosphere is to be 745 torr. (Level of Difficulty: Average)