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AP Ch 5 review

Authored by Janice Knox

Chemistry

11th - 12th Grade

NGSS covered

Used 12+ times

AP Ch 5 review
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In which flask do the molecules have the highest average velocity?

NH3

CH4

O2

They are all the same

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2.50 moles of N2 is placed in a closed 3.00 L container at 25°C. If the temperature in the container is raised to 120°C, what will be the change in pressure?

26.9 atm

20.4 atm

12.0 atm

6.5 atm

Tags

NGSS.HS-PS3-4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

0.278 moles of O2 take up 2.37L. What is the density of O2?

6.54 g/L

21.1 g/L

0.233 g/L

3.76 g/L

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which flask contains the greatest number of molecules?

NH3

CH4

O2

All are the same

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

325 mL of a gas at STP has a mass of .805 grams. What is the molar mass of the gaseous compound?

31.7 g/mol

0.0555 g/mol

55.5 g/mol

9.04 g/mol

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many moles of gas would it take to fill an average man's lungs, total capacity of which is about 4.5 liters? Assume 1.00 atm pressure and 37.0°C.

0.18

1.24

0.75

11.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What volume of O2 gas at STP would you need to have to get the same number of O2 molecules as there are H2 molecules in 25.0 L at 0.850 atm and 35°C?

32.3

4.2

18.8

0.656

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