A tank containing

20kg

of water at

20\\\\deg C

is fitted with a stirrer that delivers work to the water at the rate of

0.25kW

. How long does it take for the temperature of the water to rise to

30\\\\deg C

if no heat is lost from the water? For water,

C_(P)=4.18kJ*kg^(-1)*\\\\deg C^(-1)

.

A tank containing 20kg of water at 20C is fitted with a stirrer that delivers work to the water at the rate of 0.25kW. How long does it take for the temperature of the water to rise to 30C if no heat is lost from the water? For water, CP=4.18kJkg1C1. A tank containing 20kg of water at 20C is fitted with a stirrer that delivers work to the water at the rate of 0.25kW. How long does it take for the temperature of the water to rise to 30C if no heat is lost from the water? For water, CP=4.18kJkg1C1