SamuwarKimiyya

Chemical thermodynamic: kunna ko naƙasasshe

Abin da aka kona? Wannan ne ya fi kowa hadawan abu da iskar shaka, da fili na man fetur tare da oxygen. Amma a lamba tare da oxygen ne kusan duk abubuwa, da kuma dauki ba ya fara (da kuma gode alheri). Saboda haka, kawai kadan daga cikin reactants, shi wajibi ne don la'akari da sauran al'amura. An tsunduma a sinadaran thermodynamic.

Wannan kimiyya ne mai sauqi qwarai, kuma a lokaci guda shi ne daya daga cikin mafi m, ana iya amfani da su m mamaki da kuma matakai da cewa faruwa ko ba faruwa .... Ga shi ne m warware dokokin wannan kimiyya. Basic Concepts da sunadarai thermodynamic ne quite sauki. Kuma ba su ze rebut, bisa ga Einstein. Wannan dada hazaka masana kimiyya yi imani da cewa wannan shi ne ya fi dogara da theories talikai.

Kamar yadda muka sani daga gwaninta, da yawa daga cikin sunadarai matakai ba zai iya tafi spontaneously. Da farko, masu bincike sun lura cewa, da yawa daga cikin halayen da fara a kan nasu, tare da saki zafi faruwa. Duk da haka, uniquely daura exothermic dauki da kuma ta spontaneity, kamar yadda ya juya waje, ba shi yiwuwa. Saboda akwai wani dauki da farawa a high yanayin zafi da kuma suna da sha na zafi, da dauki fara ne kwatsam ma.

Yadda za a fahimci abin da ke faruwa? Shin hali o ƙarin tabbatar da rage samar da makamashi? Harder, sunadarai thermodynamic ce cewa a gaskiya mu yanayi ba son da makamashi m da kuma iyakar rikici! To, wasu mutane a cikin Solidarity da yanayi.

Kada cuta za a iya bayyana a matsayin tsantsar? Sai dai itace cewa shi ne zai yiwu, shi yana amfani da manufar "entropy". Its chemists da kuma lissafin kimiyya poetically da ake kira "Kibiyar lokaci". Me ya sa? Tun da matakai tare da karuwa a entropy spontaneously tafi a daya kawai shugabanci. Kuma shi ya ba su babu ja. Waɗannan su ne tushe da sunadarai thermodynamic. Za ka iya ganin bambanci daga inji tafiyar matakai. Alal misali, da motsi na da bukukuwa a wasan biliyard za ka iya gungura baya a cikin video - kuma shi zai duba plausible. Amma idan za ka ga yadda ke da tsatsa daga ƙusa ko mayar da sparkler, ka nan da nan gane cewa wannan ba gaskiya ba ne, shi ba ya faru. Hakika, wannan misali ba a nufi na zama cikakkar, amma wani karuwa a entropy bai zama irin "Kibiyar lokaci".

Chemical thermodynamic ba ɓullo da wani na'urar da cewa zai ƙayyade da matakin na entropy, shi ne don a wasu har tabbas ra'ayi. Amma yana yiwuwa yin lissafi, domin wannan bukatar sani da canji a cikin zãfi a lokacin da dauki da kuma yawan zafin jiki a da canji yakan faru. Me cikin zafin jiki ne ɗauke shi zuwa lissafi? Gaskiyar cewa kudi na motsi na barbashi aka sosai a hankali alaka da zafin jiki da kuma mafi girma cikin sauri, da karin hargitsi, karanta, entropy.

A mafi m nau'i na al'amarin - gas. Saboda haka, a dauki a cikin abin da adadin gas za su kara, Saide tare da karuwa a entropy. Alal misali, Lalacewar alli carbonate. Amma don samun ruwa daga oxygen da hydrogen ne wuya, tun da entropy rage-rage.

Idan lasafta ta da dabara Gibbs makamashi, shi za a iya zaci, ko da dauki fitowa a wannan zafin jiki. Amma kawai zai yi aiki ba koyi, watakila domin tabbatar da shi har yanzu fara, bukatar a kara kuzari, ko da wani zazzabi. Lissafinta ba m, da suka nuna wa "ƙuduri" na wani ba dauki. Amma idan da sinadaran Thermodynamics ta nuna cewa da dauki "tawaya", sa'an nan babu wani batu a ko da neman kara kuzari zuwa sha - har yanzu kome ya faru.

Aka bayyana da kimiyya da shi ne a hankali alaka da sauran thermodynamic, wanda shi ne wani reshe na kimiyyar lissafi, kuma ya yi bayani da yawa daban-daban iri iri na matakai a duniya kewaye da mu. Neman sanin mutane gano musabbabin da yawa mamaki, wanda ga wasu kasance wani asiri har abada. Ka ce, Thermodynamics ko da tabbatar da wanzuwar Allah ...

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