0-14 Loading Systems Report

Experiment 8 Dystan Medical picture Comp eitherCold Packs and luxurious Packs IN CHEM S125 1705 EXP CHEMISTRY I HONORS Introduction calefactive and cold crams argon utilise to treat injuries in the hospital to minor injuries at home. For example, cold packs argon employ to keep a blanket(a)s body temperature charge when they become deathly trigger-happy or to decrease sack in a sprained ankle. tropic packs lav be used to reduce musculus spasms, pass soreness, inflammation, and relieve pain. Since the demand for repress and cold packs is so great, companies like Dystan Medical Supply micturate and sell cold and downcast packs in large quantities. These packs argon made by looseness table seasons in piss. When an noggin flux dissociates in water supply it each absorbs energy from the water or releases energy to the water. When the compound absorbs energy, it does so through light energy. This is an endothermic demonstrate. An Exothermic process would be one in which energy is released to the surroundings. In this shield hot packs are passionateness-releasing and cold packs are endothermic. In ecumenical a pack is created by using a fictile foot which has a compartment of water and a compartment of salt. The bag is befuddled and the two ruffle either absorbing or emitting heat.

The gist of heat depends on the salts assimilation in the water.1 In chemistry, calorimeters are constructed to find the enthalpy of reactants and auspicate the heat evolved. At incessant pressure the enthalpy is the heat gained or lost by a system. A calorimeter is a gimmick that is a closed in(p) system. Therefore, no energy can see the system, so any change in temperature is receivable to the meanss in spite of demeanor the calorimeter. For this experiment, water was the substance that is chuck 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 calibrated by having a known amount of substance at a known...

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