Q: How many micrograms ($$\mu\text{g}) $$are in $$1.46\,\text{kg}$$?

$$1.46 \times 10^9$\,\mu\text{g}$$

Question 1

Which of the following is an example of a homogeneous mixture?

Accepted Answer

I.V. solution

Question 2

Gold is resistant to corrosion. This is best classified as which type of property?

Accepted Answer

Chemical property

Question 3

What is the symbol for the metric prefix corresponding to $$10^{-6}$$?

Accepted Answer

μ

Question 4

How cold is absolute zero in Fahrenheit?

Accepted Answer

$$-459.67^\circ F$$

Question 5

Convert $$59^\circ F to $$Celsius using the correct formula.

Accepted Answer

$$15.0^\circ C$$

Question 6

Calculate the mass in grams of an iron block that is $$2.50\,	ext{cm} 	imes 3.00\,	ext{cm} 	imes 2.85\,	ext{cm}. $$The density of iron is $$7.874\,	ext{g/cm}^3.$$

Accepted Answer

$$168.9\,	ext{g}$$

Question 7

How much does $$3785\,	ext{mL} of $$antifreeze weigh in grams? The density of antifreeze is $$1.1132\,	ext{g/cm}^3.$$

Accepted Answer

$$4214\,	ext{g}$$

Question 8

Which digits in the measurement $$4.55\,	ext{mL}$$ are known with certainty and which is estimated?

Accepted Answer

4 and 5 are certain, the last 5 is estimated

Question 9

How many significant figures are in the measurement $$0.00318\,	ext{g}$$?

Accepted Answer

Question 10

Express $$0.000000025 in $$scientific notation.

Accepted Answer

$$2.5 	imes 10$$^{-8}$$

Question 11

Solve: $$0.7003 + (0.04040 	imes 0.00448)$$ and report your answer with the correct number of significant figures.

Accepted Answer

$$0.7005$$

Question 12

Calculate the density of an object that measures $$20.7\,	ext{cm} 	imes 10.4\,	ext{cm} 	imes 3.44\,	ext{cm}$$ and has a mass of $$1386\,	ext{g}.$$

Accepted Answer

$$1.90\,	ext{g/cm}^3$$

Question 13

What is the equivalent temperature for $$117^\circ F in$$ $$^\circ C$$?

Accepted Answer

$$47.2^\circ C$$

Question 14

Which piece of glassware is the most accurate and precise for measuring $$50\,	ext{mL} of a $$liquid?

Accepted Answer

Glassware #3

Question 15

How many micrograms ($$\mu	ext{g}) $$are in $$1.46\,	ext{kg}$$?

Accepted Answer

$$1.46 	imes 10^9$\,\mu	ext{g}$$

Question 16

What will be the mass of a green substance that occupies $$25.0\,	ext{cm}^3$$ and has a density of $$1.43\,	ext{g/cm}^3$$?

Accepted Answer

$$35.8\,	ext{g}$$

Question 17

What is the volume of a room in cubic feet that measures $$5.83\,	ext{m} 	imes 4.25\,	ext{m} 	imes 3.05\,	ext{m}$$? ($$1\,	ext{m}^3 = 35.3147\,	ext{ft}^3)$$

Accepted Answer

$$908\,	ext{ft}^3$$

Question 18

Which of the following is an exact number?

Accepted Answer

1 foot = 12 inches

General Chemistry Chapter 1: Matter, Measurement, and Problem Solving – Guided Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards