Science Source General Science

EN_90286235_0225

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caption

Thermal expansion of gas. Experiment showing how gas expands with increasing temperature, a phenomenon known as Charles' Law. The experiment consists of a measuring cylinder (center) standing upside down in a beaker of water. The measuring cylinder contains trapped air; the level of the water within the cylinder is shown by a floating yellow ball. A yellow thermometer (at left) measures the temperature of the water. As the water is heated the air will expand and force the water further down the measuring cylinder. Charles' Law states that 'For a fixed mass of gas at a constant pressure, the volume is directly proportional to its absolute temperature'.

headline Science Source General Science

created date 2010-02-13

credit EAST NEWS

source Science Source

byline Charles D. Winters

original transmission reference 2s1942

weight 1,03MB

size 19cm x 29cm by 300dpi

keywords - Show

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