Substances A-D have the following specific heats (J/(kg*K)): Substance A: 900; Substance B: 170; Substance C: 270; Substance D: 4,180. Which substance would be the best for transferring heat in a heating or cooling system?

A. Substance A

B. Substance B

C. Substance C

D. Substance D

**not sure! thank you:)

Question

Substances A-D have the following specific heats (J/(kg*K)): Substance A: 900; Substance B: 170; Substance C: 270; Substance D: 4,180. Which substance would be the best for transferring heat in a heating or cooling system?

A.       Substance A

B.       Substance B

C.       Substance C

D.       Substance D

**not sure! thank you:)

michele_laino · Answer

I think the substance whose specific heat is the largest

michele_laino · Answer

since we have to consider this formula again:
$$Q = cm\Delta T$$

anonymous · Answer

ohh okay!! so how do we do the plugging in this time? :O

michele_laino · Answer

if m and \Delta T is equal for all substances, than the changing in heat will be the largest if the specific heat is the largest

michele_laino · Answer

oops..are*

michele_laino · Answer

no, what is the largest specific heat?

anonymous · Answer

ohh okay, so substance D ?

michele_laino · Answer

yes!

anonymous · Answer

yay!! and so that is the answer? substance D? :O

michele_laino · Answer

yes! that is your answer!

anonymous · Answer

yay!! thank you:D

michele_laino · Answer

thank you!! :D