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37) 0゜C
38) 65゜C
39) Q = m x L = 100gr x 336000 J/kg
= 0,1 kg x 336000 J/kg
= 33600J
Q = 33,6 kJ
40) Q = m x c x △t
= 0,1 kg x 2100 J/ kg゜C x 8゜C
= 1680J
Q= 1,68 kJ
41) Q= m x c x △t
= 0,1kg x 4200 J/kg゜C x 65゜C
= 27300J
= 27,3 kJ