Question 1

Which of the following is the lowest temperature?

Accepted Answer

A) 35°C 
B) 57°F 
C) 313 K 
D) All of these temperatures are all equal. 
A) 35°C 
B) 57°F 
C) 313 K 
D) All of these temperatures are all equal.

Question 2

The freezing point of methane is -295°F and the boiling point is -263°F.The temperature of the surface of Titan,a moon of Saturn,is 93 K.If methane exists on Titan,it is

Accepted Answer

A) a gas. 
B) a liquid. 
C) a solid. 
D) a plasma. 
A) a gas. 
B) a liquid. 
C) a solid. 
D) a plasma.

Question 3

Convert 1 μm to meters.

Accepted Answer

A) 1 × 10-9 m 
B) 1 × 10-6 m 
C) 1 × 10-3 m 
D) 1 × 106 m 
A) 1 × 10-9 m 
B) 1 × 10-6 m 
C) 1 × 10-3 m 
D) 1 × 106 m

Question 4

A car drives 80 km/h.If the car is driven for 122 minutes,how many miles has the car traveled?

Accepted Answer

A) 262 
B) 364,000 
C) 101 
D) 24.4 
A) 262 
B) 364,000 
C) 101 
D) 24.4

Question 5

A college runner set a school record of 3:59.37 in the mile run.Assuming that the distance was measured accurately to five significant figures,what was the runner's average speed in kilometers per hour?

Accepted Answer

A) 9.3454 km/hr 
B) 10.375 km/hr 
C) 24.203 km/hr 
D) 26.869 km/hr 
A) 9.3454 km/hr 
B) 10.375 km/hr 
C) 24.203 km/hr 
D) 26.869 km/hr

Question 6

The meter is closest in length to the English system unit the ________.

Accepted Answer

The answer of The meter is closest in length to...

Question 7

A 3.20 g sample of pyrite (density = 4.5 g /mL0)is placed into a graduated cylinder with 15.64 mL of water.What will be the new volume of water?

Accepted Answer

A) 30.04 
B) 14.93 
C) 16.35 
D) 0.71 mL 
A) 30.04 
B) 14.93 
C) 16.35 
D) 0.71 mL

Question 8

Which of the following is an exact number?

Accepted Answer

A) 0.0.369 grams 
B) 9.25 liters 
C) 4 oranges 
D) 3.60°C 
A) 0.0.369 grams 
B) 9.25 liters 
C) 4 oranges 
D) 3.60°C

Question 9

You are visiting the planet Lagmom.The money exchange rates are shown below.How many Lagmom fizzbarts will you receive in exchange for $500 at the Lagmom Spaceport Currency Exchange counter? $1.00 = 10 razz 1 morb = 25 pobs
5 pobs = 1 fizzbart 5 razz = 1 tanta
1 tanta = 2 morbs

Accepted Answer

A) 5.00 × 102 fizzbarts 
B) 1.00 × 103 fizzbarts 
C) 1.00 × 104 fizzbarts 
D) 5.00 × 105 fizzbarts 
A) 5.00 × 102 fizzbarts 
B) 1.00 × 103 fizzbarts 
C) 1.00 × 104 fizzbarts 
D) 5.00 × 105 fizzbarts

Question 10

Use the drawings below to answer the following questions.  
-If hitting the bull's-eye is the desired result,Figure (b)represents

Accepted Answer

A) good accuracy and good precision. 
B) good accuracy and poor precision. 
C) poor accuracy and good precision. 
D) poor accuracy and poor precision. 
A) good accuracy and good precision. 
B) good accuracy and poor precision. 
C) poor accuracy and good precision. 
D) poor accuracy and poor precision.

Question 11

Each of the numbers in the following calculation represents a quantity measured by a student in the laboratory. P =   After performing the calculation,the student's calculator appeared as shown below:
To the correct number of significant figures what is the value of P?

Accepted Answer

A) 2 
B) 2.43 
C) 2.430 
D) 2.430094 
A) 2 
B) 2.43 
C) 2.430 
D) 2.430094

Question 12

How many significant figures are there in the answer to the following problem? (8.881 × 2.100)+ 0.590 = ?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 13

If the melting point of copper metal is 1085°C,what is its melting point in Kelvin?

Accepted Answer

A) 571 K 
B) 812 K 
C) 1358 K 
D) 1985 K 
A) 571 K 
B) 812 K 
C) 1358 K 
D) 1985 K

Question 14

One liter is approximately the same as one U.S.

Accepted Answer

A) ounce. 
B) pint. 
C) quart. 
D) gallon. 
A) ounce. 
B) pint. 
C) quart. 
D) gallon.

Question 15

The fundamental SI unit of mass is the

Accepted Answer

A) gigagram. 
B) microgram. 
C) kilogram. 
D) decigram. 
A) gigagram. 
B) microgram. 
C) kilogram. 
D) decigram.

Question 16

A piece of plastic weighing 1.157 g has a volume of 1.48 cm3.A piece of wood has the same volume but weighs 3.85 g.The density of liquid X is 0.765 g/mL and the density of liquid Z is 1.13 g/mL.The two liquids are immiscible.If the plastic and wood are added to the two liquids,what is the order of layers from top to bottom in the container?

Accepted Answer

A) liquid X,liquid Z,plastic,wood 
B) liquid X,plastic,liquid Z,wood 
C) plastic,wood,liquid Z,liquid X 
D) wood,liquid Z,plastic,liquid X 
A) liquid X,liquid Z,plastic,wood 
B) liquid X,plastic,liquid Z,wood 
C) plastic,wood,liquid Z,liquid X 
D) wood,liquid Z,plastic,liquid X

Question 17

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.If the density of water is 0.990 g/mL at 45°C,how many kilograms of water are required for a person to walk 30 kilometers in Death Valley?

Accepted Answer

A) 8.7 kg 
B) 70 kg 
C) 3.5 × 102 kg 
D) 7.0 × 102 kg 
A) 8.7 kg 
B) 70 kg 
C) 3.5 × 102 kg 
D) 7.0 × 102 kg

Question 18

Which of the following is the smallest unit?

Accepted Answer

A) 13 centi 
B) 3.0 deci 
C) 3.3 × 103 milli 
D) 1.5 × 106 nano 
A) 13 centi 
B) 3.0 deci 
C) 3.3 × 103 milli 
D) 1.5 × 106 nano

Question 19

An atom can be seen by

Accepted Answer

A) an atomic force microscope. 
B) a nucleon microscope. 
C) an optical microscope. 
D) a telescope. 
A) an atomic force microscope. 
B) a nucleon microscope. 
C) an optical microscope. 
D) a telescope.

Question 20

Convert 5.0 μm to meters.

Accepted Answer

A) 5.0 × 10+9 m 
B) 5.0 × 10-6 m 
C) 5.0 × 10+3 m 
D) 5.0 × 106 m 
A) 5.0 × 10+9 m 
B) 5.0 × 10-6 m 
C) 5.0 × 10+3 m 
D) 5.0 × 106 m

Exam 1: Chemical Tools: Experimentation and Measurement

Which of the following is the lowest temperature?

The freezing point of methane is -295°F and the boiling point is -263°F.The temperature of the surface of Titan,a moon of Saturn,is 93 K.If methane exists on Titan,it is

Convert 1 μm to meters.

A car drives 80 km/h.If the car is driven for 122 minutes,how many miles has the car traveled?

A college runner set a school record of 3:59.37 in the mile run.Assuming that the distance was measured accurately to five significant figures,what was the runner's average speed in kilometers per hour?

The meter is closest in length to the English system unit the ________.

A 3.20 g sample of pyrite (density = 4.5 g /mL0)is placed into a graduated cylinder with 15.64 mL of water.What will be the new volume of water?

Which of the following is an exact number?

You are visiting the planet Lagmom.The money exchange rates are shown below.How many Lagmom fizzbarts will you receive in exchange for $500 at the Lagmom Spaceport Currency Exchange counter? $1.00 = 10 razz 1 morb = 25 pobs 5 pobs = 1 fizzbart 5 razz = 1 tanta 1 tanta = 2 morbs

Use the drawings below to answer the following questions. -If hitting the bull's-eye is the desired result,Figure (b)represents

Each of the numbers in the following calculation represents a quantity measured by a student in the laboratory. P = After performing the calculation,the student's calculator appeared as shown below: To the correct number of significant figures what is the value of P?

How many significant figures are there in the answer to the following problem? (8.881 × 2.100)+ 0.590 = ?

If the melting point of copper metal is 1085°C,what is its melting point in Kelvin?

One liter is approximately the same as one U.S.

The fundamental SI unit of mass is the

Which of the following is the smallest unit?

An atom can be seen by

Convert 5.0 μm to meters.

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Connections to Organic and Biological Chemistry

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