Transcription of Heat of Fusion for Ice - Mesa Community College
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Heat of Fusion for Ice - Mesa Community College
heat OF Fusion FOR ICE | 125 heat of Fusion for Ice OBJECTIVES: Become familiar with the thermodynamics of phase changes for a pure substance Practice mass and temperature measurement techniques Calculate the molar enthalpy of Fusion for ice DISCUSSION: Melting and freezing behavior are among the characteristic properties that give a pure substance its unique identity. As energy is added, pure solid water (ice) at 0 C changes to liquid water, without a temperature change. In this lab exercise, you and a partner will determine the energy (in joules) required to melt one gram of ice. You will then determine the molar heat of Fusion for ice (in kJ/mol). Excess ice will be added to warm water, at a known temperature, in a Styrofoam cup calorimeter. The warm water will be cooled to temperature near 0 C by the ice.
HEAT OF FUSION FOR ICE | 127 Name Date Score Prelaboratory Assignment FOR FULL CREDIT, SHOW DETAILED CALCULATION SETUPS.REMEMBER TO FOLLOW THE SIGNIFICANT FIGURES CONVENTION, AND TO SHOW MEASUREMENT UNITS FOR EACH QUANTITY. 1. Define “heat of fusion”. 2. When 27.2 g of solid A, at its …
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