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Boiling Point Determinations for Chemistry Students

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1) Why is a mixture of ice and water, rather than ice alone, used in calibrating a thermometer?

2) Why does the boiling point of a liquid vary with the barometric pressure?

3) What does it mean to say that the normal boiling point of a pure liquid substance is a characteristic property of the liquid substance?

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Solution Summary

This solution contains over 150 words and provides explanations for three chemistry questions specific to calibration and boiling point.

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1. A mixture of water and ice is used because the exact temperature of solid ice is difficult to determine. The benefit of using ice and water is that an equilibrium temperature of 0 degrees can be expected for this system and therefore the accuracy of ...

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