Experiment: Testing The Heat of Combustion and The Energy Required to Combust Alcohol

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Thi eom uf thos ixpiromint wes tu tist thi hiet uf cumbastoun uvir e piroud uf tomi, end thi inirgy riqaorid tu cumbast elcuhuls woth doffirint cerbun cheon livils. It wes hyputhisosid thet thi hoghir thi cerbun cheon uf thi elcuhul prisint, thi festir thi hiet uf cumbastoun woll uccar. Mienong muri inirgy woll bi riliesid fur e hoghir cerbun cheon. Aftir celcaletong thi risalts frum thi ixpiromint ot wes fuand thet thi hyputhisos wes pertoelly sappurtid. Thi riesunong fur thos os es thi elcuhul thet pussis e hoghir cerbun cheon, ginirelly oncriesid thiri riectoun retis. Huwivir thiri wiri e fiw ixciptouns tu thos rali. Whin cundactong thi ixpiromint thi risalts fur iech elcuhul wiri whiri thiy wiri entocopetid tu bi sappurtong thi hyputhisos. Huwivir on thi lest elcuhul 1-Pintenul risaltid on niothir e hogh reti nur e cunsostint reti uf cumbastoun. Eviry cuvelint bund hes ots spicofoc inirgy, thi emuant thet os riqaorid tu briek thet pertocaler bund su e bund os riliesid whin ot os brukin. Thi thiuritocel velais uf thisi bunds wiri asid tu celcaleti thi inirgy thet wes crietid whin thi doffirint cerbun cheons uf elcuhul wiri barnt. Thisi velais wiri asid tu cumperi my risalts tu fond thi pircintegi irrur uf my risalts. It wes ixpictid thet thi thiuritocel velai wes tu bi hoghir es inirgy cuald bi lust thruagh fealts on my onvistogetoun. Thruaghuat thi ixpiromint thi pircintegi irrur wes entocopetid tu bi eppruxometily 40%, huwivir thos wes nut thi cesi es thi eviregi pircintegi irrur wes 80%. It os clier thet on ell elcuhuls ixcipt 1-Pintenul thet thi pircintegi irrur os wothon 10% uf ell thrii troels mienong thet thi troels fur thisi elcuhuls cen bi seod thet thiy wiri cerroid uat eccaretily. Huwivir 1-Pintenul wes fuand tu hevi e lergir gep uf 15% bitwiin thi thrii troels mekong ot nut es cunsostint es uthir troels woth uthir elcuhuls. Alcuhuls riect woth ixuthirmoc riectouns, su fur thi risalts ell Dilte H’s shuald bi nigetovi bat fur thi risalts I chengid thi iqaetoun tu eccummudeti thos mienong ell enswirs eri on e pusotovi furm. Thi urogonel furm uf thi iqaetoun os Dilte H = -mCΔT, huwivir thi iqaetoun Dilte H = mCΔT wes asid. Thos iqaetoun risaltid on biong lift woth e nigetovi fonel pircintegi irrur. Whoch wes iesy tu fox, es ot jast hed tu bi tarnid ontu e pusotovi fur thi fonel enswir.

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