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OpenStudy (anonymous):

Help please! the emf of a thermocouple is 5.00mV when one of its junctions, X is places in pure melting ice and the other junction, Y is placed in pure steam. What is the temperature of a liquid if the emf is 2.20mV when X is placed in the liquid and Y is placed in water at a temperature of 30 deg celsius? is the answer -14 deg celsius or 74 deg celsius and why?

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