please answer both. i'm really confused

3. [0/1 Points] DETAILS MY NOTES SERPSE10 19.2.0P.005.MI. PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER A 1.50-kg iron horseshoe initially at 650C is dropped into a bucket containing 15.0 kg of water at 28.0C. What is the final temperature of the water-horseshoe system? Ignore the heat capacity of the container and assume a negligible amount of water boils away. (212 )x Remember that the heat lost by the horseshoe is gained by the water.C Need Help? [ Resai )| [ mastecn_) Submit Answer 4. [-/2 Points] DETAILS MY NOTES SERPSE10 19.2.0P.006. ASK YOUR TEACHER PRACTICE ANOTHER The figure below shows two cylindrical containers that are thermally isolated from each other and the environment, connected by a valve (initially closed), and filled with the monatomic gas neon. The temperature, pressure, and volume for the gas in the two containers are initially as follows. T,=275K, P, =180atm, V, =17.4L, T, = 445K, P, = 2.30 atm, and V/, = 21.0 L When the valve is opened, the gases in the two vessels mix and the temperature and pressure become uniform throughout. Determine the following. e Pistons locked in place (a) final temperature (in K) (b) final pressure (in atm) | atm