Puas muaj cov cua sov tshwj xeeb?
Puas muaj cov cua sov tshwj xeeb?

Video: Puas muaj cov cua sov tshwj xeeb?

Video: Puas muaj cov cua sov tshwj xeeb?
Video: tuav wb lub neej kom ruaj khov - Mang Vang ft. Christina Xyooj [Official Audio] 2021-22 2024, Kaum ib hlis
Anonim

Tshwj xeeb kub . Qhov tseeb, cov tshwj xeeb kub tus nqi ntawm cov khoom hloov pauv ntawm qib mus rau qib, tab sis peb yuav tsis quav ntsej qhov ntawd. Cov units Feem ntau yog Joules ib gram-degree Celsius (J / g ° C). Qee zaum cov chav tsev J/kg K kuj tseem siv tau.

Hauv qhov no, SI unit ntawm cov cua sov tshwj xeeb yog dab tsi?

joules ua

Tom qab, lo lus nug yog, dab tsi yog cov units rau qhov tshwj xeeb kub ntawm cov hlau? Qhov kom muaj nuj nqis ntawm tshav kub yog feem ntau ntsuas nyob rau hauv units ntawm Joules (J). Lwm cov cuab yeej, qhov tshwj xeeb cua sov, yog lub peev xwm kub ntawm cov khoom ib grams ntawm cov khoom. Qhov tshwj xeeb kub ntawm cov dej yog 4.18 J / g ° C. Kev daws rau qhov tshwj xeeb kub ntawm cov hlau uas poob hauv dej.

Hais txog qhov no, dab tsi yog cov units rau lub peev xwm ntawm cov cua sov thiab cov cua sov tshwj xeeb?

Joule rau kelvin

Dab tsi yog qhov tshwj xeeb cua sov nyob ntawm?

Qhov ntau yog lub npe hu ua tshwj xeeb kub muaj peev xwm (los yog yooj yim, lub tshwj xeeb kub ), uas yog kub muaj peev xwm rau ib chav tsev loj ntawm cov khoom. Cov kev sim qhia tau hais tias hloov pauv kub nyob ntawm peb yam: (1) Qhov kev hloov ntawm qhov kub thiab txias, (2) qhov loj ntawm lub cev, thiab (3) cov khoom thiab theem ntawm cov khoom.

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