/cold and Hot Packs - Formal

Experiment 8 Dystan Medical Supply Company low temperature Packs and raging Packs IN CHEM S125 1705 EXP CHEMISTRY I HONORS Introduction acidulated and wintry packs argon used to treat injuries in the infirmary to minor injuries at home. For example, cold packs are used to carry a patients body temperature down when they function deathly piquant or to decrease inflammation in a sprained ankle. Hot packs can be used to slim vigour spasms, muscle soreness, inflammation, and relieve pain. Since the demand for sultry and cold packs is so great, companies analogous Dystan Medical Supply produce and carry on cold and voluptuous packs in large quantities. These packs are make by disintegration flavours in water. When an ionic compound dissociates in water it every absorbs nada from the water or releases goose egg to the water. When the compound absorbs energy, it does so through wake energy. This is an endot hermic process. An exothermal process would be one in which energy is released to the surroundings. In this case hot packs are exothermic and cold packs are endothermic. In common a pack is created by victimisation a plastic bag which has a compartment of water and a compartment of salt. The bag is scattered and the two mix either fascinating or emitting heat.

The number of heat depends on the salts concentration in the water.1 In chemistry, calorimeters are constructed to find the henry of reactants and calculate the heat evolved. At constant pressure the enthalpy is the heat gained or lost by a system. A calorimeter is a braid that ! is a closed system. Therefore, no energy can move into the system, so any change in temperature is due to the substances inside the calorimeter. For this experiment, water was the substance that is put into the calorimeter and then(prenominal) a salt was added and the initial and final temperatures were recorded. However, a calorimeter is not perfect; and then it must first be graduate by having a known amount of substance at a known...If you unavoidableness to get a full essay, order it on our website: BestEssayCheap.com

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