How many calories would be needed to heat 5.0 lbs of copper from 22 degrees c to 80.0 degrees c? c for copper = 0.092

cal would be needed to heat 5.0 lbs of copper from 22 degrees C to 80.0 degrees C.

Explanation:

where

= Final T - Initial T

Q is the heat energy in calories

c is the specific heat capacity (for copper 0.092 cal/(g℃))  

m is the mass of water

plugging in the values

Please Note:

1 lb = 453.592grams  

So,  

5 lbs = 5 × 453.592g  = 2268 g

cal (Answer)

answer; i believe that the correct answer is (a) potassium(k)