Why Water Is Lost During Heating

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SUMMARY

Heating water from 20 degrees Celsius to 60 degrees Celsius results in a loss of 0.34 grams of water due to thermal expansion. As water is heated, its density decreases from 1.000 g/mL at 20 degrees Celsius to 0.98324 g/mL at 60 degrees Celsius, causing the water to occupy a larger volume. This expansion leads to overflow, which explains the loss of water observed in the container.

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  • Understanding of thermal expansion principles
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  • Basic concepts of mass and volume relationships
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Homework Statement


It is observed that 55.50 mL of water at 20 degrees C completely fills a container to the brim. When the container and the water are heated to 60 degrees C, 0.34 g of water is lost. Density of water at 60 is 0.98324 g/mL.

I don't need help with solving it. I just need help understanding: why is water lost?

Thanks very much.
 
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  • What happens to the density of the water when you heat it?
  • What happens to the volume?
 
PhaseShifter said:
  • What happens to the density of the water when you heat it?
  • What happens to the volume?

Oh...it expands because density decreases.

Thanks for your help, really appreciated.
 

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