Question 1

Which of the following is a recommended strategy for improving learning and understanding in chemistry, according to the study materials?

Accepted Answer

Studying a regular pace rather than cramming.

Question 2

A student is reading a chemistry textbook. According to the study materials, which of the following is the best way to actively engage with the material?

Accepted Answer

Work through sample problems and try to answer questions before looking at the solutions.

Question 3

Which of the following is the correct scientific notation for the number 0.0042?

Accepted Answer

$$4.2 	imes 10$$^{-3}$$

Question 4

A chemistry student measures the length of a pencil as 15.30 cm. How many significant figures are in this measurement?

Accepted Answer

4

Question 5

Which of the following is an exact number?

Accepted Answer

The number of students in a classroom

Question 6

When multiplying $$2.45 	imes 0.030 ($$both measured numbers), how many significant figures should the answer have?

Accepted Answer

2

Question 7

A cube has sides of length 10.0 cm. What is its volume in cubic centimeters and in liters?

Accepted Answer

$$1000 \ \mathrm{cm}^3$$ and $$1.0 \ \mathrm{L}$$

Question 8

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

Accepted Answer

Kelvin

Question 9

Convert 0.0056 meters to millimeters using the correct metric prefix.

Accepted Answer

$$5.6 \ \mathrm{mm}$$

Question 10

A solution contains 25% chemistry books and 75% biology books. If there are 200 books in total, how many are chemistry books?

Accepted Answer

50

Question 11

Which of the following best describes the relationship between a kilometer and a meter?

Accepted Answer

1 kilometer = $$10^3$$ meters

Question 12

When rounding the number 3.4867 to three significant figures, what is the correct result?

Accepted Answer

3.49

Question 13

Which of the following is the correct equality for the relationship between centimeters and meters?

Accepted Answer

$$1 \ \mathrm{cm} = 0.01 \ \mathrm{m}$$

Question 14

A graph shows the volume of a gas balloon plotted against temperature. What does the slope of the line represent in this context?

Accepted Answer

The change in volume per unit change in temperature

Question 15

Which of the following is NOT a key math skill for chemistry as listed in the study materials?

Accepted Answer

Memorizing the periodic table

Question 16

If a measurement is recorded as 0.03020 g, how many significant figures does it have?

Accepted Answer

4

Question 17

Which of the following is a correct conversion factor for the equality $$1 \ \mathrm{in} = 2.54 \ \mathrm{cm}$$?

Accepted Answer

$$\frac{1 \ \mathrm{in}}{2.54 \ \mathrm{cm}}$$

Question 18

A student needs to convert 2500 mg to grams. Which of the following is the correct answer?

Accepted Answer

$$2.5 \ \mathrm{g}$$

Question 19

Which of the following statements about measured numbers is correct?

Accepted Answer

Measured numbers include an estimated digit.

Question 20

A student adds $$2.017 + 6.20 + 0.014$$ using the correct rules for significant figures. What is the correct answer?

Accepted Answer

$$8.23$$

GOB Chemistry: Study Skills, Math Foundations, and Measurement (Week 1 Study Guide)

Guida di studio - Domande di pratica

Study guide - Flashcard