Question 1

Add: 3.604m + 104.29m + 3.1m + 17.41m.The sum expressed in the correct number of significant figures is

Accepted Answer

A) 13m 
B) 128m 
C) 130m 
D) 128.4m 
A) 13m 
B) 128m 
C) 130m 
D) 128.4m D

Question 2

The mass of a substance is independent of its location.

Accepted Answer

A) True 
 B)False  True

Question 3

A temperature of 100 K is equal to which Celsius temperature?

Accepted Answer

A) -173 
B) -137 
C) 237 
D) 273 
A) -173 
B) -137 
C) 237 
D) 273 A

Question 4

When the Celsius temperature changes 40.degrees,the Kelvin temperature will change

Accepted Answer

A) 40 degrees 
B) 277 degrees 
C) 313 degrees 
D) 72 degrees 
A) 40 degrees 
B) 277 degrees 
C) 313 degrees 
D) 72 degrees

Question 5

Express the number 5.0   10-2 in decimal notation

Accepted Answer

A) 500 
B) 50 
C) 0.050 
D) 0.0050 
A) 500 
B) 50 
C) 0.050 
D) 0.0050

Question 6

A solid substance has a density of 4.36g/mL.What is the volume of 30.0g of this substance?

Accepted Answer

A) 0.145mL 
B) 6.88mL 
C) 34.36mL 
D) 131mL 
A) 0.145mL 
B) 6.88mL 
C) 34.36mL 
D) 131mL

Question 7

The number of centimeters in one inch is

Accepted Answer

A) 0.109 
B) 0.328 
C) 0.394 
D) 2.54 
A) 0.109 
B) 0.328 
C) 0.394 
D) 2.54

Question 8

Divide: 32.14 by 0.204.The quotient expressed to the correct number of significant figures is

Accepted Answer

A) 157.55 
B) 158 
C) 6347 
D) 6350 
A) 157.55 
B) 158 
C) 6347 
D) 6350

Question 9

Divide: 34.72 by 4.7.The quotient expressed to the correct number of significant figures is

Accepted Answer

A) 0.14 
B) 0.1 
C) 7.39 
D) 7.4 
A) 0.14 
B) 0.1 
C) 7.39 
D) 7.4

Question 10

What number is indicated by the SI prefix milli?

Accepted Answer

A) 1/100 
B) 1/1000 
C) 100 
D) 1000 
A) 1/100 
B) 1/1000 
C) 100 
D) 1000

Question 11

A solid with a specific gravity of 0.800 will float in water.

Accepted Answer

A) True 
 B)False

Question 12

The density of a solid is 1.36g/mL.The specific gravity of the substance is

Accepted Answer

A) 1.00 
B) 1.40 
C) 1.36 
D) Cannot be determined 
A) 1.00 
B) 1.40 
C) 1.36 
D) Cannot be determined

Question 13

Divide 1436 by 203.The quotient expressed to the proper number of significant figures is

Accepted Answer

A) 0.141 
B) 0.1414 
C) 7.07 
D) 7.074 
A) 0.141 
B) 0.1414 
C) 7.07 
D) 7.074

Question 14

An empty glass tube weighs 37.3 g.When filled to the rim with water,it weighs 54.1 g.What is the volume of the glass tube?

Accepted Answer

A) 16.8 cm3 
B) 54.1 cm3 
C) 37.3 cm3 
D) 91.4 cm3 
A) 16.8 cm3 
B) 54.1 cm3 
C) 37.3 cm3 
D) 91.4 cm3

Question 15

The number,14.74999,when rounded to three digits is

Accepted Answer

A) 15.0 
B) 14.8 
C) 14.7 
D) 10.0 
A) 15.0 
B) 14.8 
C) 14.7 
D) 10.0

Question 16

How many significant digits are in the number 1.30 X 104?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 17

A liquid has a density of 1.27g/mL.What is the mass of 20.0mL of this liquid?

Accepted Answer

A) 0.0635g 
B) 15.7g 
C) 21.27g 
D) 25.4g 
A) 0.0635g 
B) 15.7g 
C) 21.27g 
D) 25.4g

Question 18

The temperature of 40.0 degrees Celsius is equal to which Fahrenheit temperature?

Accepted Answer

A) 23.0 
B) 13.0 
C) 74.0 
D) 104 
A) 23.0 
B) 13.0 
C) 74.0 
D) 104

Question 19

The temperature of 400.degrees Celsius is equal to

Accepted Answer

A) 127 K 
B) 163 K 
C) 637 K 
D) 673 K 
A) 127 K 
B) 163 K 
C) 637 K 
D) 673 K

Question 20

Convert 3.00 yards into centimeters.

Accepted Answer

A) 22.9cm 
B) 43.2cm 
C) 254cm 
D) 274cm 
A) 22.9cm 
B) 43.2cm 
C) 254cm 
D) 274cm

Add: 3.604m + 104.29m + 3.1m + 17.41m.The sum expressed in the correct number of significant figures is

The mass of a substance is independent of its location.

A temperature of 100 K is equal to which Celsius temperature?

When the Celsius temperature changes 40.degrees,the Kelvin temperature will change

Express the number 5.0 10^-2 in decimal notation

A solid substance has a density of 4.36g/mL.What is the volume of 30.0g of this substance?

The number of centimeters in one inch is

Divide: 32.14 by 0.204.The quotient expressed to the correct number of significant figures is

Divide: 34.72 by 4.7.The quotient expressed to the correct number of significant figures is

What number is indicated by the SI prefix milli?

A solid with a specific gravity of 0.800 will float in water.

The density of a solid is 1.36g/mL.The specific gravity of the substance is

Divide 1436 by 203.The quotient expressed to the proper number of significant figures is

An empty glass tube weighs 37.3 g.When filled to the rim with water,it weighs 54.1 g.What is the volume of the glass tube?

The number,14.74999,when rounded to three digits is

How many significant digits are in the number 1.30 X 10⁴?

A liquid has a density of 1.27g/mL.What is the mass of 20.0mL of this liquid?

The temperature of 40.0 degrees Celsius is equal to which Fahrenheit temperature?

The temperature of 400.degrees Celsius is equal to

Convert 3.00 yards into centimeters.

An Introduction to Chemistry

Elements and Compounds

Properties of Matter

Early Atomic Theory and Structure

Nomenclature of Inorganic Compounds

Quantitative Composition of Compounds

Chemical Equations

Calculations From Chemical Equations

Modern Atomic Theory and the Periodic Table

Chemical Bonds: the Formation of Compounds From Atoms

The Gaseous State of Matter

Liquids

Solutions

Acids, Bases, and Salts

Chemical Equilibrium

Oxidationreduction

Nuclear Chemistry

Introduction to Organic Chemistry Online Only

Introduction to Biochemistry Online Only

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Exam 2: Standards for Measurement

Add: 3.604m + 104.29m + 3.1m + 17.41m.The sum expressed in the correct number of significant figures is

The mass of a substance is independent of its location.

A temperature of 100 K is equal to which Celsius temperature?

When the Celsius temperature changes 40.degrees,the Kelvin temperature will change

Express the number 5.0 10-2 in decimal notation

A solid substance has a density of 4.36g/mL.What is the volume of 30.0g of this substance?

The number of centimeters in one inch is

Divide: 32.14 by 0.204.The quotient expressed to the correct number of significant figures is

Divide: 34.72 by 4.7.The quotient expressed to the correct number of significant figures is

What number is indicated by the SI prefix milli?

A solid with a specific gravity of 0.800 will float in water.

The density of a solid is 1.36g/mL.The specific gravity of the substance is

Divide 1436 by 203.The quotient expressed to the proper number of significant figures is

An empty glass tube weighs 37.3 g.When filled to the rim with water,it weighs 54.1 g.What is the volume of the glass tube?

The number,14.74999,when rounded to three digits is

How many significant digits are in the number 1.30 X 104?

A liquid has a density of 1.27g/mL.What is the mass of 20.0mL of this liquid?

The temperature of 40.0 degrees Celsius is equal to which Fahrenheit temperature?

The temperature of 400.degrees Celsius is equal to

Convert 3.00 yards into centimeters.

An Introduction to Chemistry

Elements and Compounds

Properties of Matter

Early Atomic Theory and Structure

Nomenclature of Inorganic Compounds

Quantitative Composition of Compounds

Chemical Equations

Calculations From Chemical Equations

Modern Atomic Theory and the Periodic Table

Chemical Bonds: the Formation of Compounds From Atoms

The Gaseous State of Matter

Liquids

Solutions

Acids, Bases, and Salts

Chemical Equilibrium

Oxidationreduction

Nuclear Chemistry

Introduction to Organic Chemistry Online Only

Introduction to Biochemistry Online Only

Filters

Express the number 5.0 10^-2 in decimal notation

How many significant digits are in the number 1.30 X 10⁴?