Video: Puas yog chemical zog yog ib daim ntawv ntawm lub zog muaj peev xwm?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tshuaj muaj peev xwm zog yog a daim ntawv muaj peev xwm zog muaj feem xyuam rau cov txheej txheem ntawm atom los yog molecules. Qhov kev npaj no yuav yog los ntawm tshuaj bonds nyob rau hauv ib tug molecule los yog lwm yam. Tshuaj muaj zog ntawm a tshuaj cov khoom tuaj yeem hloov mus rau lwm yam daim ntawv ntawm zog los ntawm a tshuaj tshuaj tiv thaiv.
Ib yam li ntawd, koj tuaj yeem nug, puas yog lub zog tshuaj lom neeg lossis lub zog kinetic?
Teb thiab piav qhia: Tshuaj muaj zog yog muaj peev xwm zog . Kinetic zog yog cov zog ntawm kev tawm suab. Tshuaj muaj zog deals nrog cov zog khaws cia rau hauv daim ntawv cog lus ntawm atoms.
Ib yam li ntawd, chemical zog hauv physics yog dab tsi? Tshuaj muaj zog , Zog khaws cia rau hauv daim ntawv cog lus ntawm tshuaj tshuaj sib xyaw. Tshuaj muaj zog tej zaum yuav raug tso tawm thaum lub sij hawm ib tshuaj tshuaj tiv thaiv, feem ntau nyob rau hauv daim ntawv ntawm tshav kub; Cov tshuaj tiv thaiv zoo li no hu ua exothermic. Cov chemical zog hauv ib lub roj teeb kuj tseem tuaj yeem muab hluav taws xob los ntawm kev siv electrolysis.
Ib sab ntawm qhov no, hom hluav taws xob twg yog tshuaj lom neeg lub zog ib hom?
muaj peev xwm zog
Lub zog tshuaj lom neeg tsim li cas?
Tshuaj Zog raug tso tawm thaum daim ntawv cog lus tsim hauv a tshuaj cov tshuaj tiv thaiv, feem ntau ua kom sov raws li cov khoom los ntawm cov khoom (exothermic cov tshuaj tiv thaiv). Glucose yog tsim thiab O2 daim ntawv cog lus tsim raws li qhov tshwm sim. Roj teeb, biomass, roj av, natural gas, thiab thee yog cov piv txwv ntawm khaws cia chemical zog.
Pom zoo:
Puas yog lub zog gravitational zoo ib yam li lub zog muaj peev xwm?
Lub zog muaj peev xwm yog lub zog uas khaws cia rau hauv ib yam khoom lossis khoom siv. Gravitational muaj peev xwm zog yog lub zog nyob rau hauv ib yam khoom uas yog tuav nyob rau hauv ib tug ntsug txoj hauj lwm. Elastic muaj peev xwm lub zog yog lub zog khaws cia hauv cov khoom uas tuaj yeem ncab lossis compressed
Dab tsi yog qhov txawv ntawm electrostatic muaj peev xwm thiab electrostatic muaj peev xwm zog?
Tsis muaj qhov sib txawv ntawm electrostatic potentialenergy thiab hluav taws xob (al) muaj peev xwm zog. Lub peev xwm hluav taws xob ntawm ib qho taw tes yog kev ua haujlwm los ntawm lwm qhov kev quab yuam hauv kev txav chav tsev zoo los ntawm ib qho arbitrarilychosen xoom ntawm lub peev xwm (feem ntau infinity) mus rau lub ntsiab lus
Puas muaj peev xwm hluav taws xob thiab lub zog muaj peev xwm tib yam Vim li cas lossis vim li cas ho tsis?
Lub zog muaj peev xwm hluav taws xob Ue yog lub zog muaj peev xwm khaws cia thaum cov nqi tawm ntawm qhov sib npaug (xws li lub zog muaj peev xwm gravitational). Lub peev xwm hluav taws xob zoo ib yam, tab sis ib tus nqi, Ueq. Ib qho hluav taws xob muaj peev xwm sib txawv ntawm ob lub ntsiab lus hu ua voltage, V = Ue2q−Ue1q
Puas yog lub zog hauv daim ntawv ntawm kev txav yog lub zog muaj peev xwm?
Lub zog nyob rau hauv daim ntawv ntawm kev txav yog 'muaj peev xwm' zog. Qhov ntau dua 'mas' ib qho khoom txav muaj, lub zog kinetic nws muaj. Lub pob zeb ntawm ntug pob tsuas muaj 'kinetic' zog vim nws txoj hauj lwm. 'Thermal' zog yog lub zog khaws cia los ntawm cov khoom uas ncab los yog compression
Puas muaj peev xwm equilibrium zoo ib yam li so muaj peev xwm?
Qhov sib txawv ntawm daim nyias nyias muaj peev xwm thiab qhov muaj peev xwm sib npaug (-142 mV) sawv cev rau lub zog hluav taws xob hluav taws xob uas tsav Na + mus rau hauv lub xovtooj ntawm lub peev xwm so membrane. Thaum so, txawm li cas los xij, qhov permeability ntawm daim nyias nyias mus rau Na + tsawg heev kom tsuas yog me me Na + xau rau hauv lub cell