1.

If mass of the substacne is 20 g then the heat energy required to melt 1 g of the substacne is _______J

Answer»

300
15
113.5
2270

Solution :The SUBSTANCE melts byabsorbing 340 -40 =300 J of enegy i.e20 G of substacne absrobs `(300)/(20)=15J`
of energy and melts without RISE in temperature


Discussion

No Comment Found