Question 1

A container holding a mixture of ice and water is placed in a 115 $\degree$C oven. The ice-water mixture rises in temperature until all the ice has melted away.

Accepted Answer

A) True 
 B)False

Question 2

The number 84.3759 rounded to the nearest 1 significant figure is ___.

Accepted Answer

A)  90 
B)  8 
C)  80 
D)  84 
A)  90 
B)  8 
C)  80 
D)  84

Question 3

Liquids have ___ shape and ___ volume.

Accepted Answer

A)  fixed/variable 
B)  fixed/fixed 
C)  variable/fixed 
D)  variable/variable 
A)  fixed/variable 
B)  fixed/fixed 
C)  variable/fixed 
D)  variable/variable

Question 4

Determine the number of significant figures in each value below.
a) 34.56
b) 10700
c) 0.000890
d) 5600.1

Accepted Answer

The answer of Determine the number of significant figures in...

Question 5

A patient weighs 205.0 pounds, but the weight is to be recorded in kilograms. What is the patient's weight in kilograms using whole numbers? (Given: 1 kg = 2.205 lbs.)

Accepted Answer

A)  451.4 kg 
B)  205.0 kg 
C)  100.4 kg 
D)  92.97 kg 
A)  451.4 kg 
B)  205.0 kg 
C)  100.4 kg 
D)  92.97 kg

Question 6

A weather forecaster predicts that the temperature for the day will reach 88 $\degree$F. What is the Celsius value for the predicted temperature?

Accepted Answer

A)  88$\degree$C 
B)  273$\degree$C 
C)  31$\degree$C 
D)  304$\degree$C 
A)  88$\degree$C 
B)  273$\degree$C 
C)  31$\degree$C 
D)  304$\degree$C

Question 7

Match the following as a theory or law:
-all matter is composed of tiny particles called atoms

Accepted Answer

A)  theory 
B)  law 
A)  theory 
B)  law

Question 8

Each of the numbers below is measured. Solve the calculation and give the correct number of significant figures.
3)52 x 10-16 - 8.16 x 10-17

Accepted Answer

A)  2.704 x 10-15 
B)  4.64 x 1016 
C)  2.7 x 10-16 
D)  27.04 x 1014 
A)  2.704 x 10-15 
B)  4.64 x 1016 
C)  2.7 x 10-16 
D)  27.04 x 1014

Question 9

All matter is composed of tiny, indivisible particles called atoms. All atoms are composed of protons, neutrons, and electrons. These statements are an example of a scientific ___.

Accepted Answer

A)  law 
B)  theory 
C)  hypothesis 
D)  experiment 
A)  law 
B)  theory 
C)  hypothesis 
D)  experiment

Question 10

Each of the numbers below is a measured quantity. Solve the calculation and give the correct number of significant figures.
(17)8 x 0.1150) / 6.7

Accepted Answer

A)  0.31 
B)  0.3 
C)  0.306 
D)  0.3055 
A)  0.31 
B)  0.3 
C)  0.306 
D)  0.3055

Question 11

Match the following as a theory or law:
-when a gas is heated it expands

Accepted Answer

A)  theory 
B)  law 
A)  theory 
B)  law

Question 12

A doctor orders tetracycline, 240 mg. The bottle of tetracycline syrup indicates that the concentration is 120 mg per 5 mL. How many milliliters of syrup do you give the patient?

Accepted Answer

The answer of A doctor orders tetracycline, 240 mg. The...

Question 13

Calculate the following and round to the correct number of significant figures.
a) (12.00 x 1.5) ÷ .00625
b) 3.61 x 103 ÷ 5.4008 x 10-4

Accepted Answer

a) 2900
b)

Question 14

The density of gasoline is 0.73 g/mL at 20 $\degree$C. Jenny's car requires 16 gallons of gasoline to fill her car's gas tank. How much mass (in pounds) of gasoline does she need to fill her tank? (Given: 1 qt= 0.946 L, 1 gallon = 4 qt, 1 Ib = 454 g, 1 mL= 1 x 10-3 L.)

Accepted Answer

A)  190 Ib 
B)  340 Ib 
C)  140 Ib 
D)  210 Ib 
A)  190 Ib 
B)  340 Ib 
C)  140 Ib 
D)  210 Ib

Question 15

You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8 $\degree$C. What is this temperature in $\degree$F?

Accepted Answer

The answer of You are traveling in a country that...

Question 16

0.4 meters is equal to ___ centimeters.

Accepted Answer

The answer of 0.4 meters is equal to ___ centimeters....

Question 17

1 mg is larger than 1 dg.

Accepted Answer

A) True 
 B)False

Question 18

886.0 has four significant figures.

Accepted Answer

A) True 
 B)False

Question 19

A kitten's normal body temperature is 102ºF. Express this temperature in ºC.

Accepted Answer

A)  5.7 ºC 
B)  38.9 ºC 
C)  56.7 ºC 
D)  184 ºC 
A)  5.7 ºC 
B)  38.9 ºC 
C)  56.7 ºC 
D)  184 ºC

Question 20

When aspirin is heated, it melts at 275 $\degree$F. Convert this temperature into kelvins.

Accepted Answer

A)  135 K 
B)  408 K 
C)  -138 K 
D)  375 K 
A)  135 K 
B)  408 K 
C)  -138 K 
D)  375 K

A container holding a mixture of ice and water is placed in a 115 $\degree$ C oven. The ice-water mixture rises in temperature until all the ice has melted away.

The number 84.3759 rounded to the nearest 1 significant figure is ___.

Liquids have _ shape and _ volume.

Determine the number of significant figures in each value below. a) 34.56 b) 10700 c) 0.000890 d) 5600.1

A patient weighs 205.0 pounds, but the weight is to be recorded in kilograms. What is the patient's weight in kilograms using whole numbers? (Given: 1 kg = 2.205 lbs.)

A weather forecaster predicts that the temperature for the day will reach 88 $\degree$ F. What is the Celsius value for the predicted temperature?

Match the following as a theory or law: -all matter is composed of tiny particles called atoms

Each of the numbers below is measured. Solve the calculation and give the correct number of significant figures. 3)52 x 10^-16 - 8.16 x 10^-17

All matter is composed of tiny, indivisible particles called atoms. All atoms are composed of protons, neutrons, and electrons. These statements are an example of a scientific ___.

Each of the numbers below is a measured quantity. Solve the calculation and give the correct number of significant figures. (17)8 x 0.1150) / 6.7

Match the following as a theory or law: -when a gas is heated it expands

A doctor orders tetracycline, 240 mg. The bottle of tetracycline syrup indicates that the concentration is 120 mg per 5 mL. How many milliliters of syrup do you give the patient?

Calculate the following and round to the correct number of significant figures. a) (12.00 x 1.5) ÷ .00625 b) 3.61 x 10³ ÷ 5.4008 x 10^-4

The density of gasoline is 0.73 g/mL at 20 $\degree$ C. Jenny's car requires 16 gallons of gasoline to fill her car's gas tank. How much mass (in pounds) of gasoline does she need to fill her tank? (Given: 1 qt= 0.946 L, 1 gallon = 4 qt, 1 Ib = 454 g, 1 mL= 1 x 10^-3 L.)

You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8 $\degree$ C. What is this temperature in $\degree$ F?

0.4 meters is equal to ___ centimeters.

1 mg is larger than 1 dg.

886.0 has four significant figures.

A kitten's normal body temperature is 102ºF. Express this temperature in ºC.

When aspirin is heated, it melts at 275 $\degree$ F. Convert this temperature into kelvins.

Atoms and Elements

Compounds

An Introduction to Organic Compounds

Reactions

Gases, Solutions, Colloids, and Suspensions

Acids, Bases, and Equilibrium

Organic Reactions Hydrocarbons, Carboxlic Acids, Amines, and Related Compounds

Organic Reactions 2-Alcohols, Ethers, Aldehydes, and Ketones

Carbohydrates

Lipids and Membranes

Peptides, Proteins, and Enzymes

Nucleic Acids

Metabolism

Filters

Exam 1: Science and Measurements

A container holding a mixture of ice and water is placed in a 115 °\degree° C oven. The ice-water mixture rises in temperature until all the ice has melted away.

The number 84.3759 rounded to the nearest 1 significant figure is ___.

Liquids have ___ shape and ___ volume.

Determine the number of significant figures in each value below. a) 34.56 b) 10700 c) 0.000890 d) 5600.1

A patient weighs 205.0 pounds, but the weight is to be recorded in kilograms. What is the patient's weight in kilograms using whole numbers? (Given: 1 kg = 2.205 lbs.)

A weather forecaster predicts that the temperature for the day will reach 88 °\degree° F. What is the Celsius value for the predicted temperature?

Match the following as a theory or law: -all matter is composed of tiny particles called atoms

Each of the numbers below is measured. Solve the calculation and give the correct number of significant figures. 3)52 x 10-16 - 8.16 x 10-17

All matter is composed of tiny, indivisible particles called atoms. All atoms are composed of protons, neutrons, and electrons. These statements are an example of a scientific ___.

Each of the numbers below is a measured quantity. Solve the calculation and give the correct number of significant figures. (17)8 x 0.1150) / 6.7

Match the following as a theory or law: -when a gas is heated it expands

A doctor orders tetracycline, 240 mg. The bottle of tetracycline syrup indicates that the concentration is 120 mg per 5 mL. How many milliliters of syrup do you give the patient?

Calculate the following and round to the correct number of significant figures. a) (12.00 x 1.5) ÷ .00625 b) 3.61 x 103 ÷ 5.4008 x 10-4

The density of gasoline is 0.73 g/mL at 20 °\degree° C. Jenny's car requires 16 gallons of gasoline to fill her car's gas tank. How much mass (in pounds) of gasoline does she need to fill her tank? (Given: 1 qt= 0.946 L, 1 gallon = 4 qt, 1 Ib = 454 g, 1 mL= 1 x 10-3 L.)

You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8 °\degree° C. What is this temperature in °\degree° F?

0.4 meters is equal to ___ centimeters.

1 mg is larger than 1 dg.

886.0 has four significant figures.

A kitten's normal body temperature is 102ºF. Express this temperature in ºC.

When aspirin is heated, it melts at 275 °\degree° F. Convert this temperature into kelvins.

Atoms and Elements

Compounds

An Introduction to Organic Compounds

Reactions

Gases, Solutions, Colloids, and Suspensions

Acids, Bases, and Equilibrium

Organic Reactions Hydrocarbons, Carboxlic Acids, Amines, and Related Compounds

Organic Reactions 2-Alcohols, Ethers, Aldehydes, and Ketones

Carbohydrates

Lipids and Membranes

Peptides, Proteins, and Enzymes

Nucleic Acids

Metabolism

Filters

A container holding a mixture of ice and water is placed in a 115 $\degree$ C oven. The ice-water mixture rises in temperature until all the ice has melted away.

Liquids have _ shape and _ volume.

A weather forecaster predicts that the temperature for the day will reach 88 $\degree$ F. What is the Celsius value for the predicted temperature?

Each of the numbers below is measured. Solve the calculation and give the correct number of significant figures. 3)52 x 10^-16 - 8.16 x 10^-17

Calculate the following and round to the correct number of significant figures. a) (12.00 x 1.5) ÷ .00625 b) 3.61 x 10³ ÷ 5.4008 x 10^-4

The density of gasoline is 0.73 g/mL at 20 $\degree$ C. Jenny's car requires 16 gallons of gasoline to fill her car's gas tank. How much mass (in pounds) of gasoline does she need to fill her tank? (Given: 1 qt= 0.946 L, 1 gallon = 4 qt, 1 Ib = 454 g, 1 mL= 1 x 10^-3 L.)

You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8 $\degree$ C. What is this temperature in $\degree$ F?

When aspirin is heated, it melts at 275 $\degree$ F. Convert this temperature into kelvins.