Question 1

You stop to purchase gasoline. The price at the pump is 85.0 cents/liter. What is this price in dollars/gallon? (1 gal = 3.785 l)

Accepted Answer

The answer of You stop to purchase gasoline. The price...

Question 2

While attempting to start your car, when you turn the key, there is no response. You suspect that the battery is dead. To determine this, you turn on the light switch. Your suspicion about the battery is an example of a ___, and your attempt to turn on the headlight is an example of a ___.

Accepted Answer

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

Question 3

What is the weight of Amphotec, an antibiotic preparation for aspergillus infection, necessary for a 135 pound patient at the rate of 3.5 mg/kg per dose? (Given: 1kg = 2.205 lbs.)

Accepted Answer

A)  7.7 mg 
B)  61.4 mg 
C)  214 mg 
D)  2228 mg

Question 4

Rusting of iron is a physical change.

Accepted Answer

A) True 
 B)False

Question 5

Match the following as a theory or law:
-a rock released above the surface of the earth will fall to the earth

Accepted Answer

A)  theory 
B)  law

Question 6

The instructions for a cough syrup are to give 2 teaspoons every 8 hours. The cough syrup is supplied in 150-mL bottles. How many bottles must be purchased to treat 3 children for 5 days? (Given 1 tsp = 5 mL.)

Accepted Answer

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

Question 7

The temperature of a patient is found to be 38.5 $\degree$C. What is this temperature in $\degree$F?

Accepted Answer

A)  96$\degree$F 
B)  101$\degree$F 
C)  69$\degree$F 
D)  107$\degree$F

Question 8

A patient's temperature is taken three times by two nurses. The results of three successive temperatures by each nurse are
 The patient's actual temperature is 101$\degree$F. Which of the following statements is true?

Accepted Answer

A)  Nurse A's results are more precise than those of nurse B. 
B)  Nurse B's results are more accurate than those of Nurse A. 
C)  Both nurses have precise results. 
D)  Nurse B's results are both accurate and precise.

Question 9

How much will the temperature change when 3.0 g of tooth enamel (specific heat = 0.18 cal/g$\degree$C) absorbs 0.80 cal of heat energy?

Accepted Answer

A)  2.4$\degree$C 
B)  3.7$\degree$C 
C)  1.5$\degree$C 
D)  8.6$\degree$C

Question 10

The zeros in 1700.85 cal are not significant.

Accepted Answer

A) True 
 B)False

Question 11

Iron has a density of 7.86 g/cm³. What is the mass of 12 cm³ of iron?

Accepted Answer

The answer of Iron has a density of 7.86 g/cm³....

Question 12

The number 390000, expressed correctly in scientific notation, is ___.

Accepted Answer

A)  3.9 x 10-6 
B)  3.9 x 105 
C)  3.9 
D)  3.9 x 10-5

Question 13

5.000 pounds is ___ grams. (Given: 1 kg = 2.205 lbs.)

Accepted Answer

The answer of 5.000 pounds is ___ grams. (Given: 1...

Question 14

Match the following as a theory or law:
-water flows downhill

Accepted Answer

A)  theory 
B)  law

Question 15

A 1-dollar bill is approximately 6.00 inches long. What is the length of a dollar bill in millimeters? (1 inch = 2.54 cm)

Accepted Answer

The answer of A 1-dollar bill is approximately 6.00 inches...

Question 16

Ethanol has a density of 0.78 g/mL. What volume would 500 grams of ethanol occupy?

Accepted Answer

The answer of Ethanol has a density of 0.78 g/mL....

Question 17

Distinguish between the terms scientific theory and scientific law and give an example of each.

Accepted Answer

The answer of Distinguish between the terms scientific theory and...

Question 18

A hypothesis is a statement that proposes an explanation of a set of observations.

Accepted Answer

A) True 
 B)False

Question 19

The density of ethanol at 20 $\degree$C is 0.791 g/mL. How many milliliters of ethanol correspond to 12.0 g of ethanol at 20 $\degree$C?

Accepted Answer

A)  9.49 mL 
B)  15.2 mL 
C)  0.791 ml 
D)  30.6 mL

Question 20

The zeros in 0.00958 cm are not significant.

Accepted Answer

A) True 
 B)False

Exam 1: Science and Measurements

You stop to purchase gasoline. The price at the pump is 85.0 cents/liter. What is this price in dollars/gallon? (1 gal = 3.785 l)

While attempting to start your car, when you turn the key, there is no response. You suspect that the battery is dead. To determine this, you turn on the light switch. Your suspicion about the battery is an example of a _, and your attempt to turn on the headlight is an example of a _.

What is the weight of Amphotec, an antibiotic preparation for aspergillus infection, necessary for a 135 pound patient at the rate of 3.5 mg/kg per dose? (Given: 1kg = 2.205 lbs.)

Rusting of iron is a physical change.

Match the following as a theory or law: -a rock released above the surface of the earth will fall to the earth

The instructions for a cough syrup are to give 2 teaspoons every 8 hours. The cough syrup is supplied in 150-mL bottles. How many bottles must be purchased to treat 3 children for 5 days? (Given 1 tsp = 5 mL.)

The temperature of a patient is found to be 38.5 $\degree$ C. What is this temperature in $\degree$ F?

How much will the temperature change when 3.0 g of tooth enamel (specific heat = 0.18 cal/g $\degree$ C) absorbs 0.80 cal of heat energy?

The zeros in 1700.85 cal are not significant.

Iron has a density of 7.86 g/cm³. What is the mass of 12 cm³ of iron?

The number 390000, expressed correctly in scientific notation, is ___.

5.000 pounds is ___ grams. (Given: 1 kg = 2.205 lbs.)

Match the following as a theory or law: -water flows downhill

A 1-dollar bill is approximately 6.00 inches long. What is the length of a dollar bill in millimeters? (1 inch = 2.54 cm)

Ethanol has a density of 0.78 g/mL. What volume would 500 grams of ethanol occupy?

Distinguish between the terms scientific theory and scientific law and give an example of each.

A hypothesis is a statement that proposes an explanation of a set of observations.

The density of ethanol at 20 $\degree$ C is 0.791 g/mL. How many milliliters of ethanol correspond to 12.0 g of ethanol at 20 $\degree$ C?

The zeros in 0.00958 cm are not significant.

Exam 1: Science and Measurements

You stop to purchase gasoline. The price at the pump is 85.0 cents/liter. What is this price in dollars/gallon? (1 gal = 3.785 l)

While attempting to start your car, when you turn the key, there is no response. You suspect that the battery is dead. To determine this, you turn on the light switch. Your suspicion about the battery is an example of a ___, and your attempt to turn on the headlight is an example of a ___.

What is the weight of Amphotec, an antibiotic preparation for aspergillus infection, necessary for a 135 pound patient at the rate of 3.5 mg/kg per dose? (Given: 1kg = 2.205 lbs.)

Rusting of iron is a physical change.

Match the following as a theory or law: -a rock released above the surface of the earth will fall to the earth

The instructions for a cough syrup are to give 2 teaspoons every 8 hours. The cough syrup is supplied in 150-mL bottles. How many bottles must be purchased to treat 3 children for 5 days? (Given 1 tsp = 5 mL.)

The temperature of a patient is found to be 38.5 °\degree° C. What is this temperature in °\degree° F?

A patient's temperature is taken three times by two nurses. The results of three successive temperatures by each nurse are The patient's actual temperature is 101 °\degree° F. Which of the following statements is true?

How much will the temperature change when 3.0 g of tooth enamel (specific heat = 0.18 cal/g °\degree° C) absorbs 0.80 cal of heat energy?

The zeros in 1700.85 cal are not significant.

Iron has a density of 7.86 g/cm3. What is the mass of 12 cm3 of iron?

The number 390000, expressed correctly in scientific notation, is ___.

5.000 pounds is ___ grams. (Given: 1 kg = 2.205 lbs.)

Match the following as a theory or law: -water flows downhill

A 1-dollar bill is approximately 6.00 inches long. What is the length of a dollar bill in millimeters? (1 inch = 2.54 cm)

Ethanol has a density of 0.78 g/mL. What volume would 500 grams of ethanol occupy?

Distinguish between the terms scientific theory and scientific law and give an example of each.

A hypothesis is a statement that proposes an explanation of a set of observations.

The density of ethanol at 20 °\degree° C is 0.791 g/mL. How many milliliters of ethanol correspond to 12.0 g of ethanol at 20 °\degree° C?

The zeros in 0.00958 cm are not significant.

While attempting to start your car, when you turn the key, there is no response. You suspect that the battery is dead. To determine this, you turn on the light switch. Your suspicion about the battery is an example of a _, and your attempt to turn on the headlight is an example of a _.

The temperature of a patient is found to be 38.5 $\degree$ C. What is this temperature in $\degree$ F?

How much will the temperature change when 3.0 g of tooth enamel (specific heat = 0.18 cal/g $\degree$ C) absorbs 0.80 cal of heat energy?

Iron has a density of 7.86 g/cm³. What is the mass of 12 cm³ of iron?

The density of ethanol at 20 $\degree$ C is 0.791 g/mL. How many milliliters of ethanol correspond to 12.0 g of ethanol at 20 $\degree$ C?