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Hi all, if anyone could please help me on this question it would be appreciated, tysm!!

Hi All If Anyone Could Please Help Me On This Question It Would Be Appreciated Tysm class=

Sagot :

Answer: 69.92 Celsius

Explanation:

Enthalpy change = mass of water * specific heat * change in temperature

400g water * 4.18 J/g*celsius * 1.5K = 2.508kJ

2508 J/(138.3g*0.38 J/g*celsius) = 47.72 K

So the copper temperature was lowered by 47.72K/C when placed in water, so 22.2+47.72 = 69.92 Celsius

Hope this helps(and is correct)!

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