500g of water is heated so that its temperature rises from 30°C to 72°C in 7 minutes. calculate the supplied per minute. (Specific heat capacity of water is 4200Jkg−1K−1 by Sunday | Aug 29 | Physics WAEC | 0 comments A. 9000J B. 12600J C. 21000J D. 25200J E. 88200J Correct Answer: Option B – 12600J Users Also Read These:Calculate the quantity of heat needed to change the…Calculate the power rating of an immersion heater…A quantity of hot water at 100ºC is added to 400g of…0.5kg of water at 10ºC is completely converted to…2kg of water is heated with a heating coil which…