Author Question: A 400-g piece of metal at 100C is dropped into a cup containing 450 g of water at 15.0C. The final ... (Read 52 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
A 400-g piece of metal at 100C is dropped into a cup containing 450 g of water at 15.0C. The final temperature of the system is 40.0C.
 
  What is the specific heat of the metal, assuming no heat is exchanged with the surroundings or the cup?
  A)
 
  1960 J/(kgK)
  B)
 
  2830 J/(kgK)
  C)
 
  3420 J/(kgK)
  D)
 
  3780 J/(kgK)
  E)
 
  4280 J/(kgK)

Question 2

The fatter a given length of wire, the higher its resistance.
 
  Indicate whether the statement is true or false



meltdown117

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

A

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library