# how much heat energy is required to raise the temperature of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius?

You will need the specific heat capacity for coal...you can look that up in a table in your text..

Heatenergy=masscoal*specificheatcoal*(change in temperature)

=5kg*c*(220-20)C

look up c, specific heat for coal, and you have it.

## To find the heat energy required to raise the temperature of 5 kilograms of coal from 20 degrees Celsius to 220 degrees Celsius, you will need to know the specific heat capacity for coal. The specific heat capacity is the amount of heat energy required to raise the temperature of a substance by 1 degree Celsius per unit mass.

You can look up the specific heat capacity for coal in a reference table or your textbook. Once you have the value, let's call it "c" (in joules per kilogram per degree Celsius), you can use the formula:

Heat energy = mass of coal * specific heat capacity of coal * change in temperature

In this case, the mass of coal is 5 kilograms, the specific heat capacity is "c," and the change in temperature is the difference between the final temperature (220 degrees Celsius) and the initial temperature (20 degrees Celsius).

So the heat energy required can be calculated as:

Heat energy = 5 kg * c * (220 - 20) °C

Now, you can substitute the specific heat capacity of coal you looked up in the table for "c" and perform the calculation to find the heat energy required.