Imagine That Your Water Heater Has Broken, But You Want To Take A Bath. You Fill Your Bathtub With 25 Kg Of Ro?
Imagine that your water heater has broken, but you want to take a bath. You fill your bathtub with 25 kg of room-temperature water (about 25 C). You figure that you can boil water on the stove and pour it into the bath to raise the temperature.
1. How much boiling water would you need in order to raise the bath to body temperature (about 37 C)? Assume that no heat is transferred to the surrounding environment.
Express your answer in kilograms using two significant figures.
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October 22, 2009 @ 10:09 am
5kg is needed to make it exactly 37.5 C,
so it should be approximately 4.7kg of boiling water.
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