1 gallon=3.785 litre
51.8*3.785=196.063 litre=196.063 kg
Q=m*c*delT
4610*t=196.063*4184*(64.9-22)
t=7633.85 seconds
=2hours 7minutes 12seconds
Hot Water Heater Due in 7 hours, 27 minutes A family comes home from a long...
A family comes home from a long vacation with laundry to do and showers to take. The water heater has been turned off during vacation. If the water heater has a capacity of 48.8 gallons and a 4890 W heating element, how much time is required to raise the temperature of the water from 21.1°C to 56.9°C? Assume that the heater is well insulated and no water is withdrawn from the tank during this time.
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