Ib nkas loos dej hnyav npaum li cas thaum khov?
Ib nkas loos dej hnyav npaum li cas thaum khov?

Video: Ib nkas loos dej hnyav npaum li cas thaum khov?

Video: Ib nkas loos dej hnyav npaum li cas thaum khov?
Video: Qhia thaj poj niam hnov zoo nyob tshaj nplaw 2024, Kaum ib hlis
Anonim

Nws tsis muaj teeb meem yog tias khov los yog kua tsuav yog koj tham txog TXHUA dej thiab tsis yog ib lub thoob dej khov. Yog tias koj xav tau qhov tseeb dua; koj tuaj yeem mus sab laj heattransfer thiab fluid flow tables thiab tuaj nrog US Gallon hnyav 8.34 phaus nrog qee qhov kev hloov pauv hais txog cov ntsiab lus ntawm cov ntxhia.

Cov lus nug tseem yog, puas yog lub raj mis dej hnyav dua thaum khov?

Tib pawg ntawm dej hnyav tib yam seb nws yog khov los yog melted, tab sis nws muaj ib tug loj ntim, thiab yog li ntawd ib tug tsawg ntom, nyob rau hauv khov daim ntawv. Ib kg dej hnyav ib kg seb nws yog khov los yog kua, tab sis nws qhov ntim yuav yog ib liter thaum nws yog kua thiab me ntsis ntau tshaj li ib liter thaum nws yog. khov.

Tsis tas li ntawd, puas yog ib nkas loos dej hnyav tib yam li ib nkas loos dej khov? Yog li ntawd, a nkas loos ntawm sov dej hnyav me ntsis tshaj ib nkas loos ntawm txias dej nrog rau qhov sib txawv nyob ntawm qhov kub thiab txias hauv nqe lus nug. Piv txwv li, ntawm 500 Fahrenheit, a gallon dej yuav hnyav kwv yees li 8.3 phaus thaum nyob ntawm 2000 Fahrenheit a nkas loos ntawm tib dej yuav hnyav 8,03 ua.

Ib yam li ntawd, ib nkas loos dej khov hnyav npaum li cas?

1 nkas loos yog kwv yees li 3.8 litres; dej muaj density ntawm ~ 1 kg / l, yog li 1 nkas loos ntawm dej yuav luj ~ 3.8 kgs. Dej khov muaj qhov ntom ntom, txog 0.92 kg / l, yog li qhov sib npaug ntawm 1 nkas loos dej khov yuav hnyav ib 3,5kq.

Cov khoom hnyav dua thaum khov?

- Quora. Ib pawg ntawm cov khoom muaj tus naj npawb ntawm cov atoms tas li thiab dhau los ntawm cov theem hloov pauv tsis hloov cov atoms, yog li qhov loj ntawm cov dej tseem zoo li qub thaum nws khov. Yog tias dej tau dhau los ua denser thaum nws khov, ces dej khov yuav poob.

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