45 gm of alcohol are needed to completely fill up a weight thermometer at 15ºC. Find the weight of alcohol which will overflow when the weight thermometer is heated to 33ºC.
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Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury. Pure ethanol freezes at -115 degrees C, while mercury freezes at -38 degrees.
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