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©
050 100 150 200 250 300
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5 x 10
4
Heat required versus change in temperature
Change in temperature (C)
Heat required (cal)
©
0 0.2 0.4 0.6 0.8 1 1.2 1.4
0
0.5
1
1.5
2
2.5 x 104
©
0
5
10
15
20
25
0 1 2 3
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
-20
0
20
40
60
80
100
120
140
