We were doing a similar experiment, however, our group chose ammonium nitrate as the salt to be tested. The most commonly used chemical in instant cold packs is ammonium nitrate which will be tested in the investigation along with four other chemicals in water. We also used 25 ml of salt, but we tested between 2 and 6 grams of salt. Endothermic Reaction Essay Essay Topic: Otherwise, you will have error in your data due to thermal energy dissipation. I explained all of that in my previous post “Primate” your just reiterating what I’ve said.. This slows blood flow as well as cell metabolism, which can decrease the chance of hemorrhage and even cell death in serious cases.
Here are our results: Advancement in Science and Technology Research is a peer-reviewed open access journal published quarterly Changes of several household chemicals Clamp and clamp stand Analysis of oxygen absorber CV: Sorry, but copying text is forbidden on this website. When this occurs it has the trend to release heat. Sorry, but copying text is forbidden on this website! Edited October 4, by fiveworlds. There were possible errors that could have occurred during the experiment and if it was to be conducted again more overall care would be taken.
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Click to learn more https: Research could also go into making it into a wqter instant cold pack so it could be easily mounded to the patients affected coureswork. How does it “affect” or change the temperature change, is a quantitative question. Overall ammonium nitrate proved to be the most effective individual chemical. Posted October 4, You should not report 4.
May I ask why the change in starting temperatures? How about receiving a customized one?
You need to be a member in order to leave a comment. I said in post 7 that I expect you should draw a graph like the one below which is what I made very quickly of your figures. Isotopes wouldn’t matter regardless.
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Endothermic Reaction Essay Essay Topic: How to cite this page Choose cite format: This was supposed as various sources suggested ammonium nitrate waetr a common instant cold pack ingredient; however, the concentration and chemical to water ratio required was. How about make it original? We will write a custom sample essay on Extended Experimental Investigation specifically for you.
Do not allow the solid to come into contact with combustible materials. We will write a custom sample essay on Endothermic Reaction specifically for you. Leave your email and we will send you an example after 24 hours Note all temperatures were measured in degrees Celsius.
Endothermic Reaction Essay
You must be looking for the plateau curve, were the temp. This can actually be causing the body more harm than good resulting in freezing of the skin.
As previously mention in the introduction just because the normal cold pack is the coldest does not mean it is the best. Hi, I am Sara from Studymoose Hi there, would you like to get such a paper?
Posted September 21, I used 50ml of water dependant variableand changed the amount of salt being added from 0. Sorry, but copying text is not allowed on this site.
Here is a table of our results. CHE-1 6 Posted September 21, edited. Posted September 28, This process releases energy heat into the surrounding. You can adjust your cookie settingsotherwise we’ll assume you’re okay to continue. In addition, the concentrations of the chemicals could be further investigated alongside varying the amount of water. It cools the local tissue and reduces bleeding, swelling and pain.
Molarity, will not give you an efficient measurement, because since your measuring enthalpy change of each salts’ dissolution process, temp.