Final answer:
The specific heat capacity of water is a constant value of 4.184 J/g/°C, which helps calculate the energy required to change the temperature of a given mass of water.
Step-by-step explanation:
The specific heat capacity of water is a well-defined value used to determine the amount of heat energy required to raise the temperature of a given mass of water by one degree Celsius. In SI units, the specific heat capacity of water is 4.184 joules per gram per degree Celsius (J/g/°C). When you are given a mass of water and its temperature change, the specific heat capacity allows you to calculate the amount of energy involved in the heating or cooling process.