Maria S.

asked • 09/08/18

Please show your work

The specific heat of a certain type of cooking oil is 1.75cal/(g°c)How much heat energy is needed to raise the temperature of 2.99kg of this oil from 23°C to 191°C?

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Arturo O. answered • 09/08/18

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The solution below is valid if the cooking oil does not vaporize below 191°C.
 
 
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Arturo O.

Use 
 
Q = mcΔT
 
m = 2990 g
c = 1.75 cal/(g°C)
ΔT = (191 - 23)°C
 
Plug in the numbers and get Q in calories.
 
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09/08/18

Arturo O.

I had to put the solution in the Comment window instead of the Answer window due to trouble editing in the Answer window.
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09/08/18

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