Aplatinum resistance thermometer has resistances of 19964 , Ask an Expert

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A platinum resistance thermometer has resistances of 199.64 ? when placed in a 0°C ice bath and 266.19 ? when immersed in a crucible containing melting potassium. What is the melting point of potassium? Hint: First determine the resistance of the platinum resistance thermometer at room temperature, 20°C.

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