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Author Question: Calculate the amount of heat in BTUs required to change the temperature of 10 pounds of copper from ... (Read 90 times)

maegan_martin

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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



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zogaridan

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Answer to Question 1

C

Answer to Question 2

B




maegan_martin

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Reply 2 on: Jul 26, 2018
:D TYSM


rachel

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Reply 3 on: Yesterday
Wow, this really help

 

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