charles-law - The relationship between temperature and...

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The relationship between temperature and volume
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If we place a balloon in liquid nitrogen it shrinks: How Volume Varies With Temperature So, gases shrink if cooled. Conversely, if we heat a gas it expands (as in a hot air balloon). Let’s take a closer look at temperature before we try to find the exact relationship of V vs. T.
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No. 68 ° F (20 ° C) is not double 50 ° F (10 ° C) Yes. 44 lb (20 kg) is double 22 lb (10 kg) What’s the difference? Weights (kg or lb) have a minimum value of 0. But the smallest temperature is not 0 ° C. We saw that doubling P yields half the V. Yet, to investigate the effect of doubling temp- erature, we first have to know what that means. An experiment with a fixed volume of gas in a cylinder will reveal the relationship of V vs. T… Temperature scales Is 20 ° C twice as hot as 10 ° C? Is 20 kg twice as heavy as 10 kg?
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Temperature vs. Volume Graph (fig.7,8 pg.430) 5 10 15 20 25 30 Volume (mL) Temperature ( ° C) 0 100 – 273
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If a volume vs. temperature graph is plotted for
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