100 ml of water at 20 degrees celcius has more,less, or the same thermal energy than 500 ml of water at 20 degrees?
less thermal energy because, thermal energy of water depends on the volume. more volume means that more capacity for storing heat energy.
Answer
To determine the thermal energy, we need to consider the mass and temperature of the water. The formula for calculating thermal energy is:
Thermal energy = mass × specific heat capacity × change in temperature.
In this case, the specific heat capacity of water is approximately 4.18 J/g°C.
Let's calculate the thermal energy for each scenario:
For 100 ml of water at 20 degrees Celsius:
Mass = 100 g (since the density of water is approximately 1 g/ml)
Change in temperature = final temperature - initial temperature = 20°C - 20°C = 0°C
Thermal energy = 100 g × 4.18 J/g°C × 0°C = 0 J
For 500 ml of water at 20 degrees Celsius:
Mass = 500 g (since the density of water is approximately 1 g/ml)
Change in temperature = final temperature - initial temperature = 20°C - 20°C = 0°C
Thermal energy = 500 g × 4.18 J/g°C × 0°C = 0 J
In both scenarios, the change in temperature is zero, so the thermal energy for both 100 ml and 500 ml of water at 20 degrees Celsius is the same, which is 0 J.