Q: What is the correct conversion factor to convert $$1\,\text{m}^3 to$$ $$\text{cm}^3$$?

$$1\,\text{m}^3 = 10^6$\,\text{cm}^3$$

Question 1

Which of the following best describes an element?

Accepted Answer

A substance that cannot be broken down into simpler components by chemical means.

Question 2

A nurse needs to convert 15 mL of medication to teaspoons for a patient. Using the equivalence $$5\,	ext{mL} = 1\,	ext{teaspoon}$$, how many teaspoons should be administered?

Accepted Answer

3 teaspoons

Question 3

Which property is considered intensive?

Accepted Answer

Density

Question 4

A sample of iron has a mass of $$7.9\,	ext{g}$$ and occupies a volume of $$1.0\,	ext{cm}^3. $$What is its density?

Accepted Answer

$$7.9\,	ext{g/cm}^3$$

Question 5

Which separation technique would be most appropriate for separating iron filings from sand?

Accepted Answer

Magnetic separation

Question 6

Convert $$0.340\,	ext{kg} of $$cheese to grams using the conversion $$1\,	ext{kg} = 1000\,	ext{g}.$$

Accepted Answer

$$340\,	ext{g}$$

Question 7

Which of the following is a chemical change?

Accepted Answer

Rusting of the metal components on a bike

Question 8

A measurement is recorded as $$2.49\,	ext{mL}. $$What is the uncertainty in this measurement?

Accepted Answer

$$\pm 0.01$$

Question 9

Which of the following numbers has three significant figures?

Accepted Answer

456

Question 10

Express $$10,300 in $$scientific notation.

Accepted Answer

$$1.03 	imes 10^4$

Question 11

A student measures the mass of a sample four times and gets: $$2.52\,	ext{g}$$, $$2.48\,	ext{g}$$, $$2.42\,	ext{g}$$, $$2.55\,	ext{g}. $$The actual mass is $$2.50\,	ext{g}. $$Which statement best describes the data?

Accepted Answer

Good precision, good accuracy

Question 12

Which of the following is a derived unit in the SI system?

Accepted Answer

Liter

Question 13

What is the correct conversion factor to convert $$1\,	ext{m}^3 to$$ $$	ext{cm}^3$$?

Accepted Answer

$$1\,	ext{m}^3 = 10^6$\,	ext{cm}^3$$

Question 14

Which of the following is NOT a base unit in the SI system?

Accepted Answer

Liter

Question 15

A slice of Swiss cheese contains $$45\,	ext{mg} of $$sodium. What is this mass in grams?

Accepted Answer

$$0.045\,	ext{g}$$

Question 16

Which of the following is a heterogeneous mixture?

Accepted Answer

Soil

Question 17

Which prefix represents $$10^{-6} in $$the metric system?

Accepted Answer

Micro

Question 18

What is the result of $$(2.0 	imes 10$$^{-2}$$) 	imes (2.5 	imes 10$$^{4}$$)$$?

Accepted Answer

$$5.0 	imes 10$$^{2}$$

Question 19

Which property would change if you cut a block of gold in half?

Accepted Answer

Mass

Chapter 1: Matter & Measurement – Foundations of General Chemistry

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