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In an pot of water you have 2.5 L at 25oC. How much energy will be needed to heat up the water to 100oC

Sagot :

Answer:

784500 Joules

Explanation:

To start, you will need an equation to find the change in energy. This can be found by using [tex]Q = mCT[/tex] or by using integrated heat capacities.

to find the mass of water,

[tex]2.5L * 1kg/L = 2.5 kg water[/tex]

1kg/L is the density of water.

Then, [tex]Q = 2.5kg*4.184J/gC*(100-25)[/tex]

Notice that all of the units do not cancel out properly, so some unit conversions are needed to find the correct answer.