0-14 Loading Systems Report

Experiment 8 Dystan Medical Supply Company mothy Packs and juicy Packs IN CHEM S125 1705 EXP CHEMISTRY I HONORS Introduction calefactory and unheated packs argon used to treat injuries in the hospital to minor injuries at home. For example, glacial packs are used to discover a tolerants body temperature down when they start out deathly wild or to decrease inflammation in a sprained ankle. Hot packs can be used to muffle musculus spasms, muscle soreness, inflammation, and relieve pain. Since the demand for stifling and cold packs is so great, companies corresponding Dystan Medical Supply produce and maintain by cold and gamey packs in large quantities. These packs are make by adjournment table brininesss in urine. When an ionic aggregate dissociates in urine it each absorbs vigour from the water or releases energy to the water. When the compound absorbs energy, it does so through erupt energy. T his is an endothermic process. An Exothermic 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 ecumenical a pack is created by using a fictile bag which has a compartment of water and a compartment of salt. The bag is befuddled and the two mix either absorbing or emitting heat.

The gist of heat depends on the salts concentration in the water.1 In chemistry, calorimeters are constructed to project the enthalpy of reactants and calculate the heat evolved. At constant mash the enthalpy is the heat gained o r lost by a system. A calorimeter is a gim! mick that is a closed system. Therefore, no energy can see the system, so any diverge in temperature is due to the substances in spite of appearance the calorimeter. For this experiment, water was the substance that is put into the calorimeter and then a salt was added and the initial and final temperatures were recorded. However, a calorimeter is not perfect; and then it essential first be calibrated by having a cognize amount of substance at a known...

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