Lichter CHM1045 Quizzes (1A-1F) (Spring 2012)

Chapter 1 Quiz

Review of attempt 1

Started on Wednesday, 11 January 2012, 09:14 PM

Completed on Tuesday, 17 January 2012, 04:07 PM

Time taken 5 days 18 hours

Grade 5 out of a maximum of 10 (50%)

Question1Marks: 1

Determine the density (in g/mL) of an object that has a mass of 44.1 g and a volume of 30 mL.

Answer:

To solve this problem you divide the mass by the volume.IncorrectMarks for this submission: 0/1.

Question2Marks: 1

Convert 5.100 x 10-3 to ordinary notation.

Choose one answer.

a. 0.0005100

b. 0.005100

c. 510.0

d. 5100

CorrectMarks for this submission: 1/1.

Finish review

1.47 g/mL

Question3Marks: 1

The factor 10-2 corresponds to which prefix?

Choose one answer.

a. deka

b. deci

c. centi

d. milli


Question4Marks: 1

Convert 618 mm to meters. Give your answer to 3 decimal places.

Answer:

IncorrectMarks for this submission: 0/1.

Question5Marks: 1

Match the following metric prefix with the correct exponent.

10-2

10-9

10-3

106

103

Correct

.618 mm

c

n

m

M

k

Marks for this submission: 1/1.

Question6Marks: 1

Express 1.5 x 10-12 g as a simple metric measurement by replacing the exponent with the proper symbol. Use the correct unit notation.

Answer:


Question7Marks: 2

In the movie "The Raiders of the Lost Arc", Indiana Jones and his guide play catch with a gold idol. The idol had a volume of about 1.29 L. In order to determine whether they could really play catch with the idol, calculate the weight (in pounds) of the idol. The density of gold is 19.3 g/cm3 and 1 kg = 2.2 lbs. Give your answer to 1 decimal place

Answer:


Question8Marks: 1

Consider the equation shown below:

y = 3.05 x - 2.77

if y = 23.00, what is the value of x?

Answer:


Question9Marks: 1

Given the equation below:

y = 12.49 x2 + 5.94

1.5 pg

54.8 lbs

67.38

If y = 16.25, what is the correct value of x?

Answer:


Chapter 1 Quiz

Review of attempt 2

Started on Tuesday, 17 January 2012, 04:08 PM


Time taken 13 mins 47 secs


Question1Marks: 1

Determine the density (in g/mL) of an object that has a mass of 15.5 g and a volume of 37 mL.

Answer:


Question2Marks: 1


0.908

Finish review

Submit

.42 g/mL

Choose one answer.

a. deka

b. deci

c. centi

d. milli


Question3Marks: 1

The factor 0.01 corresponds to which prefix?

Choose one answer.

a. deka

b. deci

c. centi

d. milli


Question4Marks: 1

Convert 3.4 x 107 pm to mm. Give your answer to 3 decimal places.

Answer:


Question5Marks: 1


10-12

0.034 mm

p

10-9

10-3

106

103


Question6Marks: 1

Express 3.2 x 10-9 m as a simple metric measurement by replacing the exponent with the proper symbol. Use the correct unit notation.

Answer:


Question7Marks: 2

The density of water decreases from 1.000g/mL at 3.98°C to 0.9170g/mL as ice at 0°C. By what volume (in mL) would a 9.589 liter flexible plastic bottle increase, if it was filled with water at 3.98°C and cooled until all the water was converted to ice. Enter your answer in mL to one decimal place.

Answer:

To solve this problem the long approach is to convert liters of water to mL, mL of water to g, g of water to g of ice, g of ice to mL of ice and then subtract the original volume of watIncorrectMarks for this submission: 0/2.

Question8Marks: 1


y = 1.42 x - 2.37

n

m

M

k

3.2 nm


Answer:


Question9Marks: 1


y = 10.61 x2 + 9.14


Answer:


Chapter 1 Quiz

Review of attempt 3

Started on Tuesday, 17 January 2012, 04:22 PM




Question1Marks: 1

17.8662

.81861

Finish review

Finish review

Determine the density (in g/mL) of an object that has a mass of 18.7 g and a volume of 75.7 mL.

Answer:


Question2Marks: 1

Convert 0.003002 to standard scientific notation.

Choose one answer.

a. 3.002 x 10-3

b. 3002 x 10-6

c. 3.002 x 103

d. 3002 x 106


Question3Marks: 1

A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard scientific notation.

Choose one answer.

a. 4.264 x 10-7 m

b. 4.264 x 10-6 m

c. 4.264 x 106 m

d. 4.264 x 107 m


Question4Marks: 1

.247028 g/mL


Answer:


Question5Marks: 1


10-2

10-9

10-3

106

103


Question6Marks: 1


Answer:


Question7Marks: 2

The volume of a well is 7.48ft3. How many kilograms of concrete will it take to fill the well if the density of concrete is 2.85 g/cm3? Enter your answer to 3 sig figs. (1.00 in. = 2.54 cm)

Answer:

.864 m

c

n

m

M

k

3.2 nm

Look at the units. Do they cancel?IncorrectMarks for this submission: 0/2.

Question8Marks: 1


y = 2.29 x - 2.58


Answer:


Question9Marks: 1


y = 9.72 x2 + 4.92


Answer:


Chapter 1 Quiz

Review of attempt 4


0.649 kg

11.1703

1.07965

Finish review

Finish review

Completed on Wednesday, 18 January 2012, 12:21 PM



Question1Marks: 1


Answer:

To solve this problem you divide the mass by the volume.CorrectMarks for this submission: 1/1.

Question2Marks: 1


Choose one answer.

a. deka

b. deci

c. centi

d. milli


Question3Marks: 1


Choose one answer.

.191383

a. 4.264 x 10-7 m

b. 4.264 x 10-6 m

c. 4.264 x 106 m

d. 4.264 x 107 m


Question4Marks: 1


Answer:


Question5Marks: 1


10-12

10-9

10-3

106

103


Question6Marks: 1


.575 m

p

n

m

M

k

Answer:


Question7Marks: 2

Express 5.5 x 103 g as a simple metric measurement by replacing the exponent with the proper symbol. Use the correct unit notation.

Answer:


Question8Marks: 1


y = 2.11 x - 3.42


Answer:


Question9Marks: 1


y = 12.04 x2 + 5.04


Answer:


1.5 pg

5.5 kg

12.5213

.964916

Chapter 1 Quiz

Review of attempt 5





Question1Marks: 1


Answer:


Question2Marks: 1


Choose one answer.

a. 4.264 x 10-7 m

b. 4.264 x 10-6 m

c. 4.264 x 106 m

Finish review

Finish review

.288372

d. 4.264 x 107 m


Question3Marks: 1

The factor 0.01 corresponds to which prefix?

Choose one answer.

a. deka

b. deci

c. centi

d. milli


Question4Marks: 1

Convert 3.6 x 107 pm to mm. Give your answer to 3 decimal places.

Answer:


Question5Marks: 1


10-2

10-9

10-3

106

0.036

c

n

m

M

103


Question6Marks: 1


Answer:


Question7Marks: 2

The volume of a well is 6.74ft3. How many kilograms of concrete will it take to fill the well if the density of concrete is 2.85 g/cm3? Enter your answer to 3 sig figs. (1.00 in. = 2.54 cm)

Answer:

Look at the units. Do they cancel?IncorrectMarks for this submission: 0/2.

Question8Marks: 1


y = 1.99 x - 3.94


Answer:


Question9Marks: 1

k

3.2 nm

13.5377


y = 12.53 x2 + 10.14


Answer:


Chapter 1 Quiz

Review of attempt 6





Question1Marks: 1


Answer:


Question2

.698305

Finish review

Finish review

1.61303

Marks: 1


Choose one answer.

a. 4.264 x 10-7 m

b. 4.264 x 10-6 m

c. 4.264 x 106 m

d. 4.264 x 107 m


Question3Marks: 1

Convert 0.003002 to standard scientific notation.

Choose one answer.

a. 3.002 x 10-3

b. 3002 x 10-6

c. 3.002 x 103

d. 3002 x 106


Question4Marks: 1


Answer:


Question5Marks: 1


0.816

10-12

10-9

10-3

106

103


Question6Marks: 1


Answer:


Question7Marks: 2

Express 5.5 x 103 g as a simple metric measurement by replacing the exponent with the proper symbol. Use the correct unit notation.

Answer:


Question8Marks: 1


y = 1.52 x - 1.84


p

n

m

M

k

1.5 pg

5.5 kg

Answer:


Question9Marks: 1


y = 6.22 x2 + 6.13


Answer:


16.3421

1.27554

Lichter CHM1045 Quizzes (1A-1F) (Spring 2012)

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Transcript of Lichter CHM1045 Quizzes (1A-1F) (Spring 2012)