Enthalpy of Water Calculator

Formula

The formula to calculate the change in enthalpy of water is:

\[ H = m \cdot C \cdot T \]

Where:

\(H\) is the enthalpy of water (J)
\(m\) is the mass of water (g)
\(C\) is the specific heat of water (4.186 J/g°C)
\(T\) is the temperature (°C)

Enthalpy of Water Definition

The enthalpy of water is dependent on the mass and temperature of the water. The higher the temperature and the larger the mass, the greater the enthalpy. The enthalpy of water is also dependent on the specific heat, which is equal to 4.186 J/g°C for water.

Example Calculation

Let's assume the following values:

Mass of Water (m) = 200 g
Temperature (T) = 25 °C

Using the formula to calculate the enthalpy of water:

\[ H = 200 \cdot 4.186 \cdot 25 = 20930 \text{ J} \]

The enthalpy of water (H) is 20930 J.