$$1000 \text{ cm}^3 = 1 \text{ dm}^3$$

It has a charge of $$-1.6 \times 10$$^{-19}$$ C

$$1 \text{ m}^3 = 1000 \text{ dm}^3$$

Question 1

Which of the following is an example of a chemical property?

Accepted Answer

Flammability of gasoline

Question 2

A student observes that a piece of iron rusts when left outside. Which type of property is being observed?

Accepted Answer

Chemical property

Question 3

Which of the following changes is a physical change?

Accepted Answer

Dissolving sugar in water

Question 4

Which equation correctly represents the law of conservation of mass for the reaction: $$2H_2 + O_2$ \rightarrow 2H_2O$$?

Accepted Answer

$$2H_2 + O_2$ \rightarrow 2H_2O$$

Question 5

Which of the following best describes an extensive property?

Accepted Answer

Depends on the amount of matter present

Question 6

A sample of water is heated from $$25^\circ C to$$ $$100^\circ C. $$Which property of water is being observed?

Accepted Answer

Physical property

Question 7

Which of the following is the correct scientific notation for the number 0.00056?

Accepted Answer

$$5.6 	imes 10$$^{-4}$$

Question 8

Convert 5.0 kg to pounds using the conversion factor $$1 	ext{ kg} = 2.2 	ext{ lb}.$$

Accepted Answer

11 lb

Question 9

Which of the following is a correct unit conversion for $$1000 	ext{ cm}^3 to$$ $$	ext{dm}^3$$?

Accepted Answer

$$1000 	ext{ cm}^3 = 1 	ext{ dm}^3$$

Question 10

Which of the following statements about atoms in a chemical reaction is correct?

Accepted Answer

Atoms are rearranged

Question 11

Which subatomic particle is responsible for the chemical properties of an atom?

Accepted Answer

Electron

Question 12

A gas is compressed in a cylinder. Which of the following best describes what happens at the microscopic level?

Accepted Answer

Gas particles get closer together

Question 13

Which of the following is the correct SI unit for energy?

Accepted Answer

Joule ($$J)$$

Question 14

Which of the following best describes the difference between a physical and a chemical change?

Accepted Answer

Physical change does not alter the identity of matter

Question 15

Which of the following is a correct statement about the electron ($$e^-$$)?

Accepted Answer

It has a charge of $$-1.6 	imes 10$$^{-19}$$ C

Question 16

If a cube has a side length of $$2 	ext{ dm}$$, what is its volume in $$	ext{dm}^3$$?

Accepted Answer

$$8 	ext{ dm}^3$$

Question 17

Which of the following best describes the macroscopic property of a gas?

Accepted Answer

Gas fills the container and is easily compressible

Question 18

Which of the following is the correct relationship for energy using Planck's equation?

Accepted Answer

$$E = h 
u$$

Question 19

Which of the following is true about the nucleus of an atom?

Accepted Answer

It contains protons and neutrons

Question 20

Which of the following is a correct conversion factor for $$1 	ext{ m}^3 to$$ $$	ext{dm}^3$$?

Accepted Answer

$$1 	ext{ m}^3 = 1000 	ext{ dm}^3$$

Introduction to Matter, Measurement, and Atomic Theory in General Chemistry

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