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 89 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
Gracias!

amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Lilly Martin Spenser’s painting, Domestic Happiness (1844), reflects the change in attitudes toward Lilly Martin Spenser’s painting, Domestic Happiness (1844), reflects the change in attitudes toward
Find the temperature of the room (above the outside temperature) at the end of 120 min Find the temperature of the room (above the outside temperature) at the end of 120 min
Desertification and Climate Change Desertification and Climate Change
Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925. Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925.
How to calculate simple interest (Part 5; r = I/Pt) How to calculate simple interest (Part 5; r = I/Pt)
The Temperature Danger Zone The Temperature Danger Zone
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library