Science
11th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the total pressure of a mixture of gases where the pressure of gas 1 is 2.0 atm, the pressure of gas 2 is 1.0 atm, and the pressure of gas 3 is 0.5 atm?
2.5 atm
3.5 atm
0.5 atm
4 atm
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The total pressure of a mixture of oxygen and nitrogen gas is 400.0 kPa. What is the partial pressure of nitrogen if the pressure of oxygen is 150.0 kPa?
400.0 kPa
550.0 kPa
250.0 kPa
101.3 kPa
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A sample of hydrogen gas was collected over water at 20.0 ºC. The atmospheric pressure was 105.5 kPa. What is the pressure of the dry hydrogen gas?
17.5 mm Hg
105.5 KPa
107.8 kPa
103.2 kPa
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalton's Law states...
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation represents Dalton's Law?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three gases, Ar, N2 and H2 are mixed in a container. Ar has a pressure of 255 torr, N2 has a pressure of 228 torr and H2 has pressure of 752torr. What is the total pressure in the container?
483torr
270torr
1235torr
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the correct equation for Dalton's law representing a mixture o three gases
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