Question
A 24.0 kg sample of water is at 10 C. how much heat is needed for...
a 24.0 kg sample of water is at 10 C. how much heat is needed for it to reach 90 degrees C (the specific heat for water is 4186J/kg C

:) A 24.0 kg sample of water is at 10° C. How much heat is needed for it to reach 90°C? (The specific heat for water is 4186 J/kg° C) A) 5.42 x 104 kJ B) 8.02 x 103 kJ C) 0.00 kJ D) 2.19 x 106 kJ
Answers
Gieen: mass 24 tg = t1=10°C f2=90°c Specific heaf.=c=4186J/koic = 4. 186 kJ ot Heat grequisred = 24x4. |&6X (g0-10) 24x4.186X %3D =8037.12, which clase to option = 8.02x10 Eg. (B) 8.02 X103k] Answr"
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