Computer interface measuring temperature

Computer interface measuring temperature

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Credit: MARTIN SHIELDS/SCIENCE PHOTO LIBRARY

Caption: A computer interfaced sensor measuring the temperature change of an exothermic/exergonic reaction between aluminum foil and cupric chloride. The graph shows a steady increase in the temperature of the system after the aluminum foil was added. The reaction occurs spontaneously in water. The enthalpy change indicates that it is chemically an exothermic process. The release of free energy in the form of heat indicates that the reaction is exergonic.

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Keywords: aluminum, aluminum foil, blue chemical, bond breaking, change, changing, chemical, chemical reaction, contact, copper chloride, cupric chloride, data, data collection, enthalpy, exergonic, exothermic, free energy release, gibbs free energy, gl, glassware, graph, heat, increase, kilocalorie, lab, laboratory, laptop, liquid, milliliter, process, product, program, pyrex, react, reactant, reacting, reaction, release, rise, slope, testing, tracking, trend

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