Heat is supplied uniformly at the rate of 1 kW to 6.5 * 10 raise to power - 2 kg of a liquid for 15 seconds if the temperature of the liquid by Rises by 30 degree celsius find specific heat capacity of the liquid​

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.