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Sagot :
Answer:
[tex]Q = 1300 kJ[/tex]
Explanation:
As we know that heat require to change the temperature of the object is given as
[tex]Q = mC \Delta T[/tex]
here we know that
m = mass = 9 kg
C = 1.68 kJ/kg
[tex]\Delta T = 97 - 12[/tex]
[tex]\Delta T = 85 degree C[/tex]
now from above formula we will have
[tex]Q = 9\times 1.68 \times 10^3 \times 85[/tex]
[tex]Q = 1300 kJ[/tex]
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