Mmụta:Sayensị

Kedu ihe mgbanwe mgbanwe dị n'ime ya pụtara?

Ruo ọtụtụ narị afọ, ndị ọkà mmụta sayensị chere na ọnụnọ dị na gas bụ ihe na-adịghị ahụ anya na nke na-adịghị ahụkebe nke okpomọkụ. Ọ nọwo na ọtụtụ chepụtara na-akọwa ya ije n'ime ihe onwunwe, na n'etiti dị iche iche na-achị. Naanị M.V. Lomonosov nwere ike ịkọwa ọdịdị nke ihe dị adị n'ezie, na-ekepụta gas gas. Na arụmụka ya na nkọwa ya, o jisiri ike gosipụta na ọ dịghị ọkụ dị na okike. Ọnọdụ okpomọkụ na-adabere n'ọsọ nke mmeghari ahụ ọkụ nke mkpụrụ ndụ. O mere ka echiche nke ike dị n'ime ya pụta, kọwaakwa otú o si agbanwe n'ime usoro ahụ n'ezie.

Nso esemokwu ndị na-eduzi MV. Lomonosov maka ihe akaebe nke akwara gas

Mgbe o kwusịrị nke mbụ na o chere na ọ dịghị ọkụ dị na okike, o zutere nguzo siri ike site n'aka ndị ọkà mmụta sayensị mara mma n'oge ahụ. Ha niile ghọtara na ọnụma nke okpomọkụ, na onye nchọpụta mbụ - ọ dịghị. Ekem, ke kiet ke otu mbono esop ye mbon ukpepn̄kpọ German ye British emi ẹkewetde ẹban̄a emi: "Ukpepn̄kpọ ukpepn̄kpọ. Ebee ka okpomọkụ dị n'anụ ehi ahụ si? O riri ahihia ahihia, aru ya wee kpoo ume site n'eziokwu na n'ime ike ya. Ebee ka ọ malitere? Na eziokwu si na nke ahihia na-esi na ya pụta na ahihia nwere ume ike, nke anụ anụmanụ ahụ gbanwere n'ime okpomọkụ a. N'ihi ya, anyị na-ahụ ihe dị iche iche nke ikefefe si n'otu steeti gaa na nke ọzọ. " A gere ya ntị, jụọ ọtụtụ ajụjụ. N'ihi nkwurịta okwu ahụ, iwu nke mgbanwe ike dị iche iche ka e mepụtara (a na-akpọkwa ya iwu nke nchekwa nke ike), nke ndị niile nọ ugbu a ghọtara. Ka oge na-aga, e bipụtara obere nchịkọta nkwupụta, bụ nke mbụ e bipụtara na-egosi na e nwere nkwupụta gas.

Ihe nyere ndị na-eme nchọpụta nkwupụta nke MV. Lomonosov

Taa o yiri ka na thermodynamics ọ bụla dị mma. Ma a ghaghi icheta na ihe karịrị afọ 250 gafere site n'echiche mbụ ruo ugbu a. Onye nchọpụta bụ onye France bụ J. Charles chọpụtara iwu nke ịdị n'otu nke ịrị elu nrụgide na-arịwanye elu nke gas. Ọ kọwaziri na mgbanwe esịtidem ike nke gas mgbe ewe iwe. O nwetara usoro ya. Nnyocha ya n'ime afọ 20, gara n'ihu Gay-Lussac, bụ onye nyochachara ikpo ọkụ nke gas na nrụgide mgbe niile. Ọ na-ele anya ka ọnọdụ nke piston dị n'ime cylinder na-agbanwe ya na kpo oku na jụrụ. N'ebe a, ọ bịaruru nso ịchọta echiche nke gas mgbe nile. O jighị nnyocha, nke rụrụ afọ 140 tupu Robert Boyle. Naanị na-arụ ọrụ Mariotte mere mgbe e mesịrị na chepụtara na Boyle Iwu nyeere Benoît Paul Émile Clapeyron chepụtara mbụ echiche nke akụkụ nke ala nke ihe ezigbo gas.

Mgbe afọ 40 D.I. Mendeleev gbakwunyere nchịkọta nke ala na ihe ọmụmụ ya. Ugbu a iwu nke Kliperon-Mendeleev bụ ihe ndabere maka thermodynamics nke ụwa dum. Ọ na-eji usoro mgbakọ na ụzụ akọwa mgbanwe n'ime ike nke sitere na okpomọkụ nke gas. E gosipụtara nchọta nke iwu bụ isi site na omume. Ọ e kere site okpomọkụ engines, na-agba ọsọ na thermodynamic cycles nke Otto, dizel, Trinklera na ndị ọzọ na ọkà mmụta sayensị.

Naanị na mmalite nke XX narị afọ ọ chịkọtara ahụmahụ nke iso na dere otu akwụkwọ ọgụgụ banyere molekụla physics na injinịa thermodynamics, nke na-neatly na ezi uche setịpụrụ dum set nke nchoputa.

Okwu ole na ole gbasara iwu gas

pV = mRT

Taa, mgbe ị na-enweta ihe ọ bụla na-adabere na ya, a na-eji akara nke ala gas zuru ezu. Ọ dịghị onye na-eme ihere site na ọnụọgụ abụọ nke na-abanye na ya, nke nwere echiche doro anya. Nkwubi okwu nke isi gas na-enye ihe ọzọ dị mkpa nke na-akọwa mgbanwe n'ime ike nke onwe:

du = cvDT,

Nke a bụ ụdị nke mgbanwe dị n'ime ike, na cv bụ ike okpomọkụ nke gas na olu mgbe niile. Dị ka a n'ihi nke ntụle nke ọdịdị nke gas mgbe nile R ọ chọpụtara na ihe e ji mara ndị gas ọrụ na mgbe nile nsogbu.

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