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4.Dry ice is carbon dioxide in a solid state. It’s freezing point is -78.5 C. You use dry ice to freeze liquid mercury that is at room temperature, or 22 C. How many degrees Celsius does the temperature of the mercury need to drop?

4Dry ice is carbon dioxide in a solid state Its freezing point is 785 C You use dry ice to freeze liquid mercury that is at room temperature or 22 C How many de class=