A technician needs to determine the amount of energy required to increase the temp. of a vat containing 12 kg of water. The water enters the vat from the water mains at a temp. of 15 deg C. The technician knows that the final temp. required is
90 deg C. How much energy is required?

Question

A technician needs to determine the amount of energy required to increase the temp. of a vat containing 12 kg of water. The water enters the vat from the water mains at a temp. of 15 deg C. The technician knows that the final temp. required is 
90 deg C. How much energy is required?

anonymous · Answer

The equation you're looking for is the same one that's been used for a few of your questions, now:$$Q=mc \Delta T=mc \left( T _{2}-T _{1} \right)$$where Q is energy; m is mass; c is the specific heat content; T2 is the final temperature; and T1 is the initial temperature.

anonymous · Answer

thanks:S