2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Physics teb: tsis yog. Yog cov yeeb nkab tas lawm, yuav tsis muaj dej khov. Cov dej vapor hauv huab cua yuav tsis tuaj yeem ua rau nws tsis tuaj yeem, vim tias koj lub tsev phab ntsa (thiab cov kav dej) yuav sov me ntsis dua li qhov ntsuas kub ntawm ib hnub.
Cov kav dej puas tuaj yeem khov yog tias tsis muaj dej hauv lawv?
Yog tias nws khov rau sab nraud thiab koj tsis muaj cua sov hauv ib hmos, dej ntws tuaj yeem ua rau koj cov kav dej tsis khov. … Yog tias tsis muaj dej ntws, ces cov dej uas nyob twj ywm hauv cov kav dej yuav poob lawv cov cua sov thiab khov.
Nws yuav tsum txias li cas hauv cov kav dej kom khov?
Cov ntaub ntawv sib txawv ntawm qhov nws yuav tsum txias npaum li cas rau cov kav dej kom khov, tab sis khov dej yog 32 degrees. Yog li, txoj kev xav, koj cov kav dej tuaj yeem khov ntawm qhov kub qis dua qhov ntawd. Tab sis rau koj cov kav dej kom khov thaum hmo ntuj, qhov kub yuav poob qis rau tsawg kawg 20 degrees.
Yuav siv sijhawm ntev npaum li cas rau cov kav dej kom khov hauv tsev tsis muaj cua sov?
Nrog cov rwb thaiv tsev tsim nyog, txawm tias cov kav dej hauv qhov chaw tsis muaj cua sov tuaj yeem siv sijhawm txog 6-teev kom khov. Qhov no txhais tau hais tias huab cua kub yuav tsum nyob twj ywm ntawm 20 ° rau li 6-teev ua ntej muaj kev pheej hmoo ntawm koj cov kav dej khov.
Yuav ua li cas tso koj cov kav dej kom tsis txhob khov?
Thaum huab cua txias sab nraud, cia cov dej txias ntws los ntawm tus kais dejraug cov kav dej. Kev khiav dej los ntawm cov yeeb nkab - txawm tias ntawm ib qho kev sib tw - pab tiv thaiv cov kav dej kom tsis txhob khov.
Pom zoo:
Puas yog cov dej khov ntev ntev dua li cov dej khov nab kuab?
Lwm qhov sib txawv loj ntawm glacials thiab interglacials yog cov kev hloov hauv dej hiav txwv. Thaum lub sij hawm glacial, cov dej hiav txwv poob qhov nruab nrab ntawm 100m raws li cov dej evaporated thiab khaws cia rau hauv cov glaciers loj hlob thiab cov ntawv dej khov.
Cov kav dej galvanized puas tawg thaum khov?
Nyob rau hauv qhov chaw txias, cov kav dej xeb xeb tuaj yeem tawg thaum dej nthuav dav thaum khovthiab thawb tawm tsam cov phab ntsa hlau xeb. Puas galvanized yeeb nkab khov thiab tawg? Qee zaum, nws tsis yog cov kav dej khov xwb uas tib neeg tau tawm tsam nrog, tab sis tawg cov kav dej thiab.
Lub sijhawm khov dej rau hauv dej khov?
Thaum 1 mol dej ntawm 0 ° C khov rau dej khov ntawm 0 ° C, 6.01 kJ ntawm cov cua sov tawm mus rau ib puag ncig. Lub molar heats ntawm fusion heats ntawm fusion Lub latent cua sov ntawm fusion yog qhov hloov pauv ntawm cov khoom siv thaum nws yaj.
Puas khov tsis muaj dej khov khov?
Lub kaw-off valve ua haujlwm hauv qab kab te. Dej tsis tuaj yeem khov vim thaum nws kaw, tag nrho cov dej hauv cov kav dej tso tawm ib lub qhov hauv lub valve uas tau teem rau hauv av hauv qab kab te. Can Frost-free faucets freeze? Ib lub faucet tsis muaj dej khov yog tsim lostiv thaiv dej los ntawm khov hauv cov yeeb nkab lossis lub valve thiab ua rau nws puas.
Qhov twg yog dej khov lossis dej khov?
Dej khov tsawg dua dej Qhov no yog vim dej khov qhov ntom ntom tsawg dua li cov dej ntom ntom. Thaum khov, qhov ntom ntawm cov dej khov txo qis li ntawm 9 feem pua. Vim li cas dej thiaj ntom dua dej khov? "cov khoom" (molecules) hauv dej yog ntim nruj dua li hauv dej khov, yog li dej muaj qhov ntom ntom dua li dej khov.
