The standard way of disinfecting water is to boil it; actually just getting it t

Question

The standard way of disinfecting water is to boil it; actually just getting it to the boiling point is good enough. The approximate energy to raise watertemperature is 1.0 calories for each gram and for each degree is Celcius (That is called the Specific heat of Water). IF the water you find is 23 Celcius, then it needs to go up to 77C to reach 100C. The large beaker holds 250 mL of water, which we can assume is 250 grams of water.

How many calories will it take to get the 250 grams of water to go from 23 Celcius to 100 Celcius?

Explanation / Answer

Find Q required for

calorie = energy required to increase 1 °C for each gram

Q = m*C*(T-fTi)

Q = 250*1*(100-23)

Q = 19250 calories

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