How much energy is released when 250 kg of anthracite coal burns
To calculate the amount of energy released when a certain mass of coal burns, you need to know the energy content or heat value of the coal. This value is typically provided as the heat of combustion or calorific value, which is expressed in units such as joules (J) or kilojoules (kJ) per kilogram of coal.
Unfortunately, without the specific calorific value of the anthracite coal you mentioned, I cannot provide you with an exact answer. The energy content of different types of coal can vary significantly. However, I can give you an example of how to calculate the energy release using a typical calorific value range for anthracite coal.
Assuming the calorific value of anthracite coal ranges from 24-35 megajoules per kilogram (MJ/kg), we can use an average value like 30 MJ/kg for our calculation.
1. Convert the mass of coal to grams:
250 kg = 250,000 grams
2. Calculate the total energy released by multiplying the mass by the calorific value:
Energy released = mass of coal * calorific value
Energy released = 250,000 g * 30 MJ/kg
3. Convert the energy to a preferred unit, such as joules or kilojoules.
Remember that the result will depend on the actual calorific value of the anthracite coal you are using.