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Answered

12. The temperature of 50.0 g of water was raised to 50.0°C by the addition of
1.0kJ of heat energy. What was the initial temperature of water?

Answer :

ZAHZANAIN
use Q=mc0

Q= energy
m= mass of solution
0= final temperature- initial temperature

1000 J= (0.05kg)(4.2)(50-initial)

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