How many calories of heat are required to raise the temperature ...

[Chloeellawright]

How many calories of heat are required to raise the temperature of 4 kg of water from 50F to the boiling point?
 a. 6.5  105
  b. 3.6  105
  c. 15  105
  d. 360
  e. 4  104

Question 2

We are able to define a mechanical equivalent for heat because
 a. some thermal energy can be converted into mechanical energy.
  b. mechanical energy can be converted into thermal energy.
  c. work can be converted into thermal energy.
  d. some thermal energy can be converted into work.
  e. all of the above can occur.

[chereeb]

Answer to Question 1

B

Answer to Question 2

E

[Chloeellawright]

Gracias!

[mohan]

Excellent