1. Consider the graph of temperature (in oC) vs. time (in minutes) given above. From the cooling curves, it is observed that the decrease in temperature of liquid A in the first 6 minutes is about _______oC.   35   55   50   40   Hint Half-n-half Clue   2. Consider the graph of temperature (in oC) vs. time (in minutes) given above. From the cooling curves, it is observed that _______ cools more rapidly.   liquid A   liquid B   3. The heat gained or lost by a body resulting in a change in temperature is called _______.   latent heat   hidden heat   sensible heat   Half-n-half Clue   4. If the specific heat capacity of iron is 0.5 J/(g oC), then the heat capacity of an iron solid of mass 80 g is   40 J/oC   8 J/oC   80 J/oC   160 J/oC   Half-n-half Clue   5. If 540 J of heat are required to increase the temperature of a body by 30oC, then its heat capacity in J/oC is   18   16200   570   3   Half-n-half Clue   6. Consider the graph of temperature (in oC) vs. time (in minutes) given above showing the cooling curves of liquids A and B. If 10 g of liquid A lose 840 J of heat in the first 6 minutes, the specific heat capacity of liquid A is about _______ J/(g oC).   21   2.1   14   8.4   Half-n-half Clue   7. The amount of heat required to raise the temperature of a unit _______ of a material by 1oC is called its specific heat capacity.   volume   weight   mass   Half-n-half Clue