An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 millimeter in ice and 242m in steam at standard pressure. What will be the millimeter when the temperature read 20 °c.
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An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 millimeter in ice and 242m in steam at standard pressure. What will be the millimeter when the temperature read 20 °c.