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Mathematics 7 Online
OpenStudy (anonymous):

How much heat energy is required to raise the temperature of 0.367 kg of copper from 23.0 C to 60.0 C ? The specific heat of copper is 0.0920 cal/(g x C) If 125 cal of heat is applied to a 60.0 g - piece of copper at 23.0 C, what will the final temperature be? The specific heat of copper is 0.0920 cal /(g x C)

OpenStudy (jamesj):

How much energy is required to raise one gram of Copper by one degree centigrade?

OpenStudy (jamesj):

I know the answer to the question, I'm trying to lead you to it

OpenStudy (anonymous):

Could you at least tell me how to calculate it to get the one degree by centigrade?

OpenStudy (jamesj):

The amount of energy is required to raise one gram of Copper by one degree centigrade is equal to the specific heat: 0.0920 calories. That's why the units of specific heat are cal/(gm.C)

OpenStudy (jamesj):

So how much energy is required to raise the temperature of one gram of Copper from 23 C to 60 C?

OpenStudy (jamesj):

How many degrees are we raising the temperature?

OpenStudy (anonymous):

37

OpenStudy (jamesj):

Hence the amount of energy required to increase the temperature of one gram of copper by 37 degrees is ....

OpenStudy (jamesj):

Quick, I'm getting bored for you.

OpenStudy (anonymous):

How do I calculate it in my calculator?

OpenStudy (jamesj):

Well it's the (change in temp)x(specific heat of copper) So 37 x 0.0920 calories

OpenStudy (jamesj):

that's the amount of energy required to raise the temperature of one gram of copper from 23 C to 60 C

OpenStudy (anonymous):

I calculated it and got 3.404 but it says that its wrong

OpenStudy (jamesj):

I didn't say that was the final answer. Now, how many gram of copper do you have? Multiply that number by the number of grams

OpenStudy (jamesj):

So in summary, the energy required is (# grams)x(change in temperature)x(specific heat)

OpenStudy (jamesj):

good luck

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