Question 1

The concentration of a patient's blood sugar was determined to be 4850 micrograms per milliliter.Which correctly represents this measurement?

Accepted Answer

A) 4850 μg /ML 
B) 4850 mg/mL 
C) 4850 Mg/mL 
D) 4850 μg/mL 
E) 4850 mg/ML 
A) 4850 μg /ML 
B) 4850 mg/mL 
C) 4850 Mg/mL 
D) 4850 μg/mL 
E) 4850 mg/ML

Question 2

Which of the following is a chemical property?

Accepted Answer

A) flammability 
B) color 
C) hardness 
D) temperature 
E) melting point 
A) flammability 
B) color 
C) hardness 
D) temperature 
E) melting point

Question 3

One calorie is the amount of energy needed to raise the temperature of one gram of water one degree Celsius.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is NOT a type of mixture?

Accepted Answer

A) homogeneous 
B) heterogeneous 
C) solution 
D) compound 
E) All of the choices are correct. 
A) homogeneous 
B) heterogeneous 
C) solution 
D) compound 
E) All of the choices are correct.

Question 5

What Kelvin temperature corresponds to 98.6°F?

Accepted Answer

A) 310 K 
B) 310.2 K 
C) 31.00 K 
D) 132.0 K 
E) 199 K 
A) 310 K 
B) 310.2 K 
C) 31.00 K 
D) 132.0 K 
E) 199 K

Question 6

Give the answer to the following calculation to the correct number of significant figures.
(5.0 × 10-4)- (6 × 10-5)= ?

Accepted Answer

A) 4.4 × 10-4 
B) 4.4 × 10-5 
C) 4 × 10-4 
D) 4 × 10-5 
E) 4.40 × 10-4 
A) 4.4 × 10-4 
B) 4.4 × 10-5 
C) 4 × 10-4 
D) 4 × 10-5 
E) 4.40 × 10-4

Question 7

If the density of blood is 1.060 g/mL,what is the mass of 6.56 pints of blood? 
[1 L = 2.113 pints]

Accepted Answer

A) 3.29 kg 
B) 329 g 
C) 2.93 g 
D) 2930 g 
E) 2.93 kg 
A) 3.29 kg 
B) 329 g 
C) 2.93 g 
D) 2930 g 
E) 2.93 kg

Question 8

A student records the measurement 4.8 m.What type of measurement was made?

Accepted Answer

A) mass 
B) volume 
C) length 
D) concentration 
E) time 
A) mass 
B) volume 
C) length 
D) concentration 
E) time

Question 9

What term is used to describe the summary of a large quantity of information?

Accepted Answer

A) hypothesis 
B) theory 
C) law 
D) model 
E) result 
A) hypothesis 
B) theory 
C) law 
D) model 
E) result

Question 10

The green color of the Statue of Liberty is due to a(an)________ change to the copper metal.

Accepted Answer

A) elemental 
B) physical 
C) state 
D) chemical 
E) None of the choices are correct. 
A) elemental 
B) physical 
C) state 
D) chemical 
E) None of the choices are correct.

Question 11

If the density of carbon tetrachloride is 1.59 g/mL,what is the volume in L,of 4.21 kg of carbon tetrachloride?

Accepted Answer

A) 0.149 L 
B) 0.378 L 
C) 2.65 L 
D) 6.69 L 
E) 6690 L 
A) 0.149 L 
B) 0.378 L 
C) 2.65 L 
D) 6.69 L 
E) 6690 L

Question 12

Which of the following terms is defined as anything that has mass and occupies space?

Accepted Answer

A) chemistry 
B) element 
C) matter 
D) compound 
E) volume 
A) chemistry 
B) element 
C) matter 
D) compound 
E) volume

Question 13

The speed of light is 186,000 miles per second.What is its speed in centimeters per second? 
[5280 feet = 1 mile; 12 inches = 1 foot; 2.54 cm = 1 inch]

Accepted Answer

A) 3.01 × 1011 cm/s 
B) 3.15 × 1010 cm/s 
C) 6.06 × 1012 cm/s 
D) 3 × 1011 cm/s 
E) 2.99 × 1010 cm/s 
A) 3.01 × 1011 cm/s 
B) 3.15 × 1010 cm/s 
C) 6.06 × 1012 cm/s 
D) 3 × 1011 cm/s 
E) 2.99 × 1010 cm/s

Question 14

Which physical property of an astronaut will change depending on whether he or she is on Earth or in orbit?

Accepted Answer

A) mass 
B) weight 
C) volume 
D) all would change 
E) none would change 
A) mass 
B) weight 
C) volume 
D) all would change 
E) none would change

Question 15

In which state of matter are forces between particles least dominant?

Accepted Answer

A) solid 
B) liquid 
C) gas 
D) All of the choices are correct. 
E) None of the choices are correct. 
A) solid 
B) liquid 
C) gas 
D) All of the choices are correct. 
E) None of the choices are correct.

Question 16

A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight.The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.What volume of the drug should the patient receive? [1 pound = 454 g]

Accepted Answer

A) 0.579 mL 
B) 119 mL 
C) 362 mL 
D) 579 mL 
E) 119 L 
A) 0.579 mL 
B) 119 mL 
C) 362 mL 
D) 579 mL 
E) 119 L

Question 17

Consider the following set of numbers.If the true value is 12.6 cm2,which of the following best describes the set of numbers? 
12.6 cm2,12.5 cm2,12.6 cm2

Accepted Answer

A) accurate but not precise 
B) not accurate but precise 
C) accurate and precise 
D) neither accurate nor precise 
E) More information is needed to determine if the measurements are accurate. 
A) accurate but not precise 
B) not accurate but precise 
C) accurate and precise 
D) neither accurate nor precise 
E) More information is needed to determine if the measurements are accurate.

Question 18

Which of the following measured volumes has the most uncertainty?

Accepted Answer

A) 10 mL 
B) 10.0 mL 
C) 10.00 mL 
D) 10.000 mL 
E) All values have the same degree of uncertainty. 
A) 10 mL 
B) 10.0 mL 
C) 10.00 mL 
D) 10.000 mL 
E) All values have the same degree of uncertainty.

Question 19

Which statement concerning the scientific method is FALSE?

Accepted Answer

A) The scientific method is an organized approach to solving scientific problems. 
B) The process of explaining observed behavior begins with a hypothesis. 
C) Experimentation is conducted to either support or disprove a hypothesis. 
D) A hypothesis becomes a theory when a single experiment supports it. 
E) A theory explains scientific observations and data and can help predict new observations and data. 
A) The scientific method is an organized approach to solving scientific problems. 
B) The process of explaining observed behavior begins with a hypothesis. 
C) Experimentation is conducted to either support or disprove a hypothesis. 
D) A hypothesis becomes a theory when a single experiment supports it. 
E) A theory explains scientific observations and data and can help predict new observations and data.

Question 20

What volume,in milliliters,will 2.00 g of air occupy if the density is 1.29 g/L?

Accepted Answer

A) 2.72 × 103 mL 
B) 2.20 mL 
C) 1.43 mL 
D) 1.55 × 103 mL 
E) 4.59 × 102 mL 
A) 2.72 × 103 mL 
B) 2.20 mL 
C) 1.43 mL 
D) 1.55 × 103 mL 
E) 4.59 × 102 mL

Exam 1: Chemistry - Methods and Measurement

The concentration of a patient's blood sugar was determined to be 4850 micrograms per milliliter.Which correctly represents this measurement?

Which of the following is a chemical property?

One calorie is the amount of energy needed to raise the temperature of one gram of water one degree Celsius.

Which of the following is NOT a type of mixture?

What Kelvin temperature corresponds to 98.6°F?

Give the answer to the following calculation to the correct number of significant figures. (5.0 × 10-4)- (6 × 10-5)= ?

If the density of blood is 1.060 g/mL,what is the mass of 6.56 pints of blood? [1 L = 2.113 pints]

A student records the measurement 4.8 m.What type of measurement was made?

What term is used to describe the summary of a large quantity of information?

The green color of the Statue of Liberty is due to a(an)________ change to the copper metal.

If the density of carbon tetrachloride is 1.59 g/mL,what is the volume in L,of 4.21 kg of carbon tetrachloride?

Which of the following terms is defined as anything that has mass and occupies space?

The speed of light is 186,000 miles per second.What is its speed in centimeters per second? [5280 feet = 1 mile; 12 inches = 1 foot; 2.54 cm = 1 inch]

Which physical property of an astronaut will change depending on whether he or she is on Earth or in orbit?

In which state of matter are forces between particles least dominant?

A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight.The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.What volume of the drug should the patient receive? [1 pound = 454 g]

Consider the following set of numbers.If the true value is 12.6 cm2,which of the following best describes the set of numbers? 12.6 cm2,12.5 cm2,12.6 cm2

Which of the following measured volumes has the most uncertainty?

Which statement concerning the scientific method is FALSE?

What volume,in milliliters,will 2.00 g of air occupy if the density is 1.29 g/L?

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

Give the answer to the following calculation to the correct number of significant figures. (5.0 × 10^-4)- (6 × 10^-5)= ?

Consider the following set of numbers.If the true value is 12.6 cm²,which of the following best describes the set of numbers? 12.6 cm²,12.5 cm²,12.6 cm²