Question 1

What is the metric relationship between grams and micrograms?

Accepted Answer

A) 1 g = 100 μg 
B) 1 g = 1 000 000 μg 
C) 1 g = 0.000 001 μg 
D) 1 g = 1000 μg 
E) 1 g = 0.001 μg 
A) 1 g = 100 μg 
B) 1 g = 1 000 000 μg 
C) 1 g = 0.000 001 μg 
D) 1 g = 1000 μg 
E) 1 g = 0.001 μg

Question 2

State the number of significant figures in each of the following measurements.
-6.1 × 10-5 mL

Accepted Answer

Question 3

How many centimeters are there in 57.0 in.?

Accepted Answer

A) 22 cm 
B) 0.0445 cm 
C) 145 cm 
D) 22.4 cm 
E) 140 cm 
A) 22 cm 
B) 0.0445 cm 
C) 145 cm 
D) 22.4 cm 
E) 140 cm

Question 4

Which of the following measurements are not equivalent?

Accepted Answer

A) 25 mg = 0.025 g 
B) 183 L = 0.183 kL 
C) 150 ms = 0.150 s 
D) 84 cm = 8.4 mm 
E) 24 dL = 2.4 L 
A) 25 mg = 0.025 g 
B) 183 L = 0.183 kL 
C) 150 ms = 0.150 s 
D) 84 cm = 8.4 mm 
E) 24 dL = 2.4 L

Question 5

Round off each of the following to three significant figures.
-6.3477 × 104

Accepted Answer

What is the metric relationship between grams and micrograms?

State the number of significant figures in each of the following measurements. -6.1 × 10^-5 mL

How many centimeters are there in 57.0 in.?

Which of the following measurements are not equivalent?

Round off each of the following to three significant figures. -6.3477 × 10⁴

Chemistry in Our Lives

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters

Exam 2: Chemistry and Measurement

What is the metric relationship between grams and micrograms?

State the number of significant figures in each of the following measurements. -6.1 × 10-5 mL

How many centimeters are there in 57.0 in.?

Which of the following measurements are not equivalent?

Round off each of the following to three significant figures. -6.3477 × 104

Chemistry in Our Lives

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters

State the number of significant figures in each of the following measurements. -6.1 × 10^-5 mL

Round off each of the following to three significant figures. -6.3477 × 10⁴