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General Chemistry Exam

Authored by jay pitallano

Chemistry

11th Grade

Used 1+ times

General Chemistry Exam
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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Avogadro's number represents:

The number of atoms in 1 mole of any element.

The number of molecules in 1 gram of a compound.

The volume of 1 mole of gas at STP.

The energy in one mole of a substance.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following contains the greatest number of particles?

1 mole of oxygen gas (O2)

1 mole of carbon atoms

1 mole of glucose (C6H12O6)

All contain the same number of particles.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The molar mass of CO2 is:

12 g/mol

44 g/mol

32 g/mol

28 g/mol

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the theoretical yield is 20 g and the actual yield is 15 g, what is the percent yield?

75%

80%

85%

90%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Percent yield can never be:

0%

50%

100%

Greater than 100%

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The SI unit of pressure is:

Pascal (Pa)

Atmosphere (atm)

Torr

Bar

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1 atm is equal to:

760 Torr

101.3 Pa

10.1 kPa

1 bar

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