Chemistry, 08.05.2021 03:50, shakira11harvey6

8. 2520 J of heat is added to a piece of iron. Determine the initial temperature of 20 g of iron (c = 0.499 J/gC) to reach a final temperature of 130 C. 2. Determine the mass of lead (c = 0.160 J/gC) that requires 204 J of energy to change the temperature 23.0 C.

(i cant find these out ;-;)

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8. 2520 J of heat is added to a piece of iron. Determine the initial temperature of 20 g of iron (c...