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

Author Question: How is net stack temperature determined? What will be an ideal ... (Read 12 times)

serike

  • Hero Member
  • *****
  • Posts: 542
on: Jul 26, 2018
How is net stack temperature determined?
 
  What will be an ideal response?

Question 2

Calculate the amount of heat in BTUs required to change 5 pounds of 10F ice to 242F steam?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Reply #1 on: Jul 26, 2018
Answer to Question 1

Stack temperature - ambient temperature = net stack temperature

Answer to Question 2

The heat required to increase the temperature of 5 pounds of ice from 10F to

32F is calculated using the specific heat formula:

BTUs = pounds x F T x specific heat capacity in BTU per pound.

BTUs=5 lb x 22 x 0.5 = 55 BTUs

The heat required to melt 5 pounds of ice is calculated using the latent heat

formula:

BTU = weight x latent heat factor

BTU= 5 x 144 = 720 BTUs

The heat required to increase the temperature of 5 pounds of water from 32F

to 212F is calculated using the specific heat formula:

BTUs = pounds x F T x specific heat capacity in BTU per pound.

BTUs=10 lb x 180 x 1 = 1800 BTUs

The heat required to boil 5 pounds of water is calculated using the latent heat

formula:

BTU = weight x latent heat factor BTU= 5 x 970 = 4850 BTUs
The heat required to increase the temperature of a pound of steam from 212F to 242F is calculated using the specific heat formula:

BTUs = pounds x F T x specific heat capacity in BTU per pound. BTUs=5 lb x 30 x 0.5 = 75 BTUs
Finally, sum the results

55 BTUs + 720 BTUs + 1800 BTUs + 4850 BTUs + 75 BTUs = 7500 BTU


serike

  • Member
  • Posts: 542
Reply 2 on: Jul 26, 2018
Great answer, keep it coming :)

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Body temperature and environmental temperature in homeotherms versus heterotherms. Body temperature and environmental temperature in homeotherms versus heterotherms.
Use of the tympanic thermometer to measure body temperature. Use of the tympanic thermometer to measure body temperature.
Average Global Temperature during the Phanerozoic Average Global Temperature during the Phanerozoic
Cultures Ideal Body Types Cultures Ideal Body Types
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
Environment of tRNAs at the ribosome as determined by cross-linking Environment of tRNAs at the ribosome as determined by cross-linking
Video: Inflammation and Fever

For a complete list of videos, visit our video library