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ITLL LAB #1: MEASUREMENT OF SPECIFIC HEAT IN A CALORIMETER Calorimetry is a basic technique for measuring thermodynamic quantities, especially those involving heat transfer: specific heats of various materials, heat of fusion, heat of vaporization and heat of chemical reactions. It is one of the oldest experimental methods in thermodynamics.
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Lab Procedure for Specific Heats. Specific Heat of Solid Materials. 1. Weigh the solid materials provided. 9. Repeat the process for three more materials. • Lab Report. Answer the question on the data sheet. Discuss the experimental results from the percent difference.Throttling Calorimeter. It consists a narrow throat (Orifice). Pressure and temperature are measured by pressure gauge and thermometer. The steam after throttling process passes through the heat exchanger and condensate is collected. Steam Generator is also provided to supply the saturated steam (Max) at 2kg/cm2 pressure. There is no need of ... The heat flow occurring in the sample is proportional to the measured temperature difference and is calculated by The use of FS-DSC for quantifying small amorphous contents in lactose has been reported.16 Quantitative A rapid-scanning differential scanning calorimeter. Am Lab, 40:9-11, 2008.
is due to the heat lost by the water and absorbed by the calorimeter. The heat lost by the water, q lost, is: q lost = (mass of water) x (specific heat of water) x (T mix – T avg) Equation 3 where the mass is the total mass of hot and cool water. The heat gained by the calorimeter, q calor, is equal to that lost by the water, but opposite in sign.
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