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 75 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!

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Evaluation of a child for cystic fibrosis with a sweat chloride test. Sweat is being collected under Evaluation of a child for cystic fibrosis with a sweat chloride test. Sweat is being collected under
Drag the labels to indicate the change in the size of the reservoir. . . Drag the labels to indicate the change in the size of the reservoir. . .
The roots of climate change The roots of climate change
. Calculate the net electric field at point B . Calculate the net electric field at point B
An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ... An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ...
The assembly of general transcription factors required for the initiation of transcription by RNAP I The assembly of general transcription factors required for the initiation of transcription by RNAP I
Video: Prone Position

For a complete list of videos, visit our video library