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IsTim
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In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.0 mL of coffee by 1.0∘C, or to raise the temperature of 1.0 mL of coffee by 2.0∘C. Multiply carefully to find the total amount of energy needed to raise the temperature of 200 mL of coffee by the required number of degrees.
 11 months ago
 11 months ago
IsTim Group Title
In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.0 mL of coffee by 1.0∘C, or to raise the temperature of 1.0 mL of coffee by 2.0∘C. Multiply carefully to find the total amount of energy needed to raise the temperature of 200 mL of coffee by the required number of degrees.
 11 months ago
 11 months ago

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IsTim Group TitleBest ResponseYou've already chosen the best response.0
The answer is 2.52×10^4 J
 11 months ago

wolfe8 Group TitleBest ResponseYou've already chosen the best response.0
Oh this again. Hmm what I understand is, you need 4.2/1 J/ml per degree. So I guess you multiply that by what volume and degree you want?
 11 months ago

IsTim Group TitleBest ResponseYou've already chosen the best response.0
Yeah, I and another person got this answer for this question, but it was apparently wrong.
 11 months ago

IsTim Group TitleBest ResponseYou've already chosen the best response.0
The result you say would be 840J right?
 11 months ago

wolfe8 Group TitleBest ResponseYou've already chosen the best response.0
Yes. Does it say what degrees you want?
 11 months ago

IsTim Group TitleBest ResponseYou've already chosen the best response.0
it wants 3 sig figs, but no degrees.
 11 months ago
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