the heat required to raise the temperature of 30kg of copper from 12 degrees Celsius to 70 degrees Celcius
Q=cm(t2−t1)=380⋅30⋅(70−12)=670 kJ.Q=cm(t_2-t_1)=380\cdot 30\cdot(70-12)=670~kJ.Q=cm(t2−t1)=380⋅30⋅(70−12)=670 kJ.
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