This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Calculate the amount of heat in BTUs required to change the temperature of 10 pounds of copper from ... (Read 74 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
on: Jul 26, 2018
Calculate the amount of heat in BTUs required to change the temperature of 10 pounds of copper from 100F to 150F. The specific heat of copper is 0.09 BTUs/lb.
 
  A) 10 lbs  50F = 500 BTUs
  B) 10 lbs  0.09 BTUs/lb = 0.9 BTUs
  C) 10 lbs  50F  0.09 BTUs/lb = 45 BTUs
  D) The amount of heat required cannot be calculated using the information given.

Question 2

How many steps are required to calculate the heat necessary to change 10 lbs of ice at -20F to steam at 250F?
 
  A) One B) Five C) Two D) Three


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zogaridan

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 26, 2018
Answer to Question 1

C

Answer to Question 2

B


maegan_martin

  • Member
  • Posts: 532
Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Temperature Changes on Heart Rate Temperature Changes on Heart Rate
(a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ... (a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ...
Cover heat source to slow cooling by placing a towel over it. Cover heat source to slow cooling by placing a towel over it.
Normal change in sea level Normal change in sea level
Easy way to remember to formula to calculate volume of a cylinder Easy way to remember to formula to calculate volume of a cylinder
Calculate the electron affinity for the formation of the hydride ion from the following ... Calculate the electron affinity for the formation of the hydride ion from the following ...
Video: Definitions of stroke volume, preload definition & Factors influencing stroke volume

For a complete list of videos, visit our video library