Physics with cal | Physics homework help

Multiple Choice Questions

1. Which of the following formulas relating temperatures on the Celsius and Fahrenheit scales is correct?

A. Tc = (5/9)(TF – 32)

B. Tc = (5/9)(TF + 32)

C. Tc = (9/5)(TF – 32)

D. Tc = (9/5)(TF + 32)

2. Of the substances below, the one with the highest specific heat is

A. water.

B. ice.

C. concrete.

D. gold.

3. Of these substances, the one with the lowest specific heat is

A. water.

B. ice.
C. concrete.

D. gold.

4. The average pressure of the atmosphere at sea level corresponds to which one or more of the following?

A. 101 Pa

B. 101 kPa

C. 98 kPa

D. 15 lb/in2

E. Both B and D

5. Which of the following formulas expresses the relationship between the pressure and absolute temperature of a gas sample whose
volume is fixed?

A.

B.

C.

D.

6. A temperature of 20C is the same as

A. -20.9F.

B. -6.4F.

C. 68F.

D. 94F.

7. Ethanol boils at 172F. The Celsius equivalent of this temperature is

A. 64C.

B. 78C.

C. 140C.

D. 278C.

8. At which of the following Celsius temperatures will a Fahrenheit thermometer show the same reading in degrees?

A. -40C

B. 0C

C. 32C

D. 40C

9. The density of brass is 8  103 kg/m3. The volume occupied by 320 g of brass is
A. 0.040 cm3.

B. 4.0 cm3.

C. 40 cm3.

D. 400 cm3.

10. The density of air is 1.3 kg/m3. The air in a room 5 m long, 4 m wide, and 2.5 m high has a mass of

A. 0.26 kg.

B. 6.5 kg.

C. 38 kg.

D. 65 kg.

11. A 400-kg concrete block is 1 m long, 0.6 m wide, and 0.3 m high. Its density is

A. 72 kg/m3.
B. 222 kg/m3.

C. 667 kg/m3.

D. 2222 kg/m3.

12. A 400-kg concrete block is 1 m long, 0.6 m wide, and 0.3 m high. It can exert three different pressures on a horizontal surface,
depending on which face it rests on. The highest pressure is

A. 0.7 kPa.

B. 2.2 kPa.

C. 13.1 kPa.

D. 21.8 kPa.

13. The pressure on 100 liters of helium is decreased from 1000 kPa to 500 kPa. The new volume of the helium is

A. 25 liters.

B. 50 liters.

C. 200 liters.
D. 1600 liters.

14. An absolute temperature of 100 K is the same as a Celsius temperature of

A. -173C.

B. 32C.

C. 212C.

D. 373C.

15. Heat is supplied to a sample of a monatomic ideal gas at 40 °C. It is observed that the gas expands until

its volume and pressure are doubled. What is the final temperature of the gas?

A) 10 °C

B) 20 °C

C) 80 °C

D) 980 °C

E) 1600 °C

16. An ideal gas is contained in a vessel with a moveable piston. Initially, the gas has a volume of 0.024 m3,

an absolute pressure of 1.8 atm, and a temperature of 35.0 °C. The pressure is 0.90 atm when the volume of

the container is decreased to 0.012 m3. What is the final temperature of the gas?

A) 77 K

B) 85 K

C) 170 K

D) 154 K

E) 282 K

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more