Author Question: Which of the substances, water or mercury, could be used to build a thermometer that measures ... (Read 70 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
Which of the substances, water or mercury, could be used to build a thermometer that measures temperatures from -10C to 110C?
  1.water only
  2.mercury only
  3.both water and mercury
  4.neither water nor mercury

Question 2

A metallic key ring of 1.00 cm diameter is placed in a fire and heated up. What would you expect would happen to the inside diameter of the ring as it heats up?
  1.It will shrink as the metallic portion expands.
  2.It will expand as the metallic portion expands.
  3.It will stay the same size as the metallic portion expands.
  4.It is impossible to say what will happen to the open area in the center of the ring.



efwsefaw

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

2

Answer to Question 2

2



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

For a complete list of videos, visit our video library