0-14 Loading Systems Report

Experiment 8 Dystan Medical Supply Company cuttingness Packs and juicy Packs IN CHEM S125 1705 EXP CHEMISTRY I HONORS Introduction calefactory and frigid packs argon used to treat injuries in the hospital to minor injuries at home. For example, cold packs are used to cargo hold a tolerants body temperature down when they arrive deathly wild or to decrease inflammation in a sprained ankle. Hot packs can be used to debase 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 betray cold and gamey packs in large quantities. These packs are do by adjournment table flavours in water supply. When an ionic flux dissociates in water it each absorbs ability from the water or releases energy to the water. When the compound absorbs energy, it does so through erupt energy. This is an energy-absorbing 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 every absorbing or emitting heat.

The gist of heat depends on the salts concentration in the water.1 In chemistry, calorimeters are constructed to set out the enthalpy of reactants and calculate the heat evolved. At constant oblige the enthalpy is the heat gained or lost by a system. A calorimeter is a gimm! ick that is a closed system. Therefore, no energy can see the system, so any castrate 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 sign and final temperatures were recorded. However, a calorimeter is not perfect; and then it moldiness first be calibrated by having a know amount of substance at a known...

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