An iron ball 2 kg , sp. heat 440J/kgC is cooled 30C to 20 C. Heat released ?
What will be final temp, if power 90W, used for 7 min,rise temp water 10kg by 12°C
How much heat is released when iron ball, 4 kg cools from 20°C to 10°C.
if 600 J is added to 20 gm water, what is rise in temperature ?
If 44000 J of heat is required for 1 kg of paraffin to increase the temperature by 20°C. amount of heat required for 2 kg,by 10 °C
Calculate the final temp when 2100 J of heat is given to mercury of mass 1 kg at 15°C. mercury specific heat capacity is 140 J/ kg °C.
When same quantity of heat is supplied to 300 gm of water, 150 gm of oil. rise in water 10 C, OIL 40 C. Calculate Q and S.
What is the final temperature, 80 kJ energy given to pressure cooker, mass 4 kg,30°C, specific heat is 1000 J/ kg°C.
Calculate the final temp of mixture, 10 kg hot water 90 °C with 20 kg water at 10°C.
Calculate the specific heat capacity. 200 gm mass, metal at 83°C in 300gm water at 30°C
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