Latent heat

  • Thread starter gomani
  • Start date
  • #1
9
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how do you slove latent heat problems?

also is there a easier way to slove thermodyamics problem?

explain in a way a way that a 9th grader like me can understand.

thanks
 

Answers and Replies

  • #2
Pengwuino
Gold Member
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16
What kind of problems?
 
  • #3
9
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i need to know the Phase change of objects and how to caculate the Joules of energy needed for the changes.
 
  • #4
russ_watters
Mentor
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7,806
Generally, at that level, such problems ask for final temperature and you get the latent heat from a table. But perhaps you could be more specific....?
 
  • #5
14
0
yeah

first off
"also is there a easier way to slove thermodyamics problem?"
simply put.....no

you solve them by using the equation

Q=cm(delta)T
 
  • #6
9
0
russ_watters said:
Generally, at that level, such problems ask for final temperature and you get the latent heat from a table. But perhaps you could be more specific....?

i would like to know more about the heat exchange in mixtures and
example would be like:

How much heat energy is required to change?
a) 2.0kg of ice at 0 C to water at 0 C?

b) 500g of water at 100 C to steam at 100 C?
 

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