A 270.0 gram piece of copper is dropped into 300.0 grams of water 24.00 °C. If the final temperature of water is 42.00 °C, what was the initial temperature of the copper piece?

Specific heat of copper = 0.39 J/g °C

257 °C
272 °C
302 °C
313 °C

257

Explanation:

Just finished the test

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a