Video: Dab tsi yog qhov enthalpy ntawm kev tsim ntawm Cao?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Table of Heats of Formation
| Compound | Δ Hf (kJ/mol) |
|---|---|
| CaCO3 | -1207.0 |
| CaO (s) | -635.5 |
| Ca (OH)2(s) | -986.6 |
| CASO4(s) | -1432.7 |
Ib yam li ntawd, nws raug nug, dab tsi yog qhov enthalpy ntawm kev tsim ntawm MgO?
Tus qauv enthalpy ntawm tsim rau MgO (s) yog -601.7 kJ/mol.
Qhov thib ob, dab tsi yog qhov enthalpy ntawm kev tsim cov dej? Qhov sib npaug qhia tau tias 286 kJ ntawm lub zog hluav taws xob tau muab tawm thaum 1 mole ntawm cov kua dej yog tsim los ntawm nws cov ntsiab lus raws li tus txheej txheem. Txuj enthalpy kev hloov ntawm tsim tuaj yeem sau rau txhua qhov sib xyaw, txawm tias koj tsis tuaj yeem ua nws ncaj qha los ntawm cov ntsiab lus.
Ntxiv mus, dab tsi yog qhov enthalpy ntawm kev tsim ntawm nh4cl?
Xaiv ATcT enthalpy ntawm kev tsim raws li version 1.118 ntawm Thermochemical Network
| Hom Lub Npe | Formula | ΔfH° (298.15 K) |
|---|---|---|
| Ammonium chloride | (NH4) Cl (cr) | -314.892 |
Dab tsi yog tus qauv enthalpy ntawm kev tsim rau lub compound?
Cov txheem enthalpy ntawm kev tsim los yog txheem cua sov ntawm kev tsim ntawm a compound yog kev hloov ntawm enthalpy thaum lub sij hawm tsim ntawm 1 mole ntawm cov khoom los ntawm nws cov ntsiab lus, nrog rau tag nrho cov tshuaj nyob rau hauv lawv txheem xeev.
Pom zoo:
Dab tsi yog qhov txawv ntawm qhov pom tseeb qhov loj thiab qhov ntsuas qhov ntsuas qhov tseeb?
Dab tsi yog qhov txawv ntawm qhov pom tseeb thiab qhov tseeb? Pom meej qhov loj npaum li cas yog qhov ci ntawm lub hnub qub tshwm los ntawm lub ntiaj teb thiab nyob ntawm qhov ci thiab qhov deb ntawm lub hnub qub. Qhov loj npaum li cas yog qhov ci ntawm lub hnub qub yuav tshwm sim los ntawm tus qauv nyob deb
Dab tsi yog qhov txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov ntab?
Integers thiab floats yog ob yam sib txawv ntawm cov ntaub ntawv tus lej. Ib tus lej (feem ntau hu ua anint) yog tus lej tsis muaj tus lej lej. Float isa floating-point number, uas txhais tau hais tias nws yog tus lej uas muaj tus lej lej. Floats siv thaum xav tau ntau dua
Dab tsi yog qhov kev sib raug zoo ntawm kev ua lej ntawm qhov kev nyuaj siab khov kho thiab Mollality?
Kev nyuaj siab qhov chaw khov kho yog cov cuab yeej sib koom ua ke pom hauv cov kev daws teeb meem uas tshwm sim los ntawm kev qhia txog cov kuab tshuaj molecules rau cov kuab tshuaj. Cov ntsiab lus khov ntawm cov kev daws yog tag nrho qis dua li cov kuab tshuaj ntshiab thiab yog ncaj qha proportional rau molality ntawm cov kuab tshuaj
Dab tsi yog qhov txawv ntawm kev xaiv khoom tsim thiab kev tsim noob caj noob ces?
Artificial xaiv xaiv rau cov yam ntxwv uas twb muaj nyob rau hauv ib hom, whereas genetic engineering tsim cov yam ntxwv tshiab. Hauv kev xaiv dag, cov kws tshawb fawb yug tsuas yog cov tib neeg uas xav tau qhov zoo. Los ntawm kev xaiv kev yug me nyuam, cov kws tshawb fawb muaj peev xwm hloov cov cwj pwm hauv cov neeg. Evolution tau tshwm sim
Dab tsi yog qhov yuam kev loj tshaj plaws yog tias Irina ntsuas qhov ntev ntawm nws lub qhov rais li 3.35 feet qhov yuam kev loj tshaj plaws yog taw?
Kev daws: Qhov yuam kev loj tshaj plaws hauv kev ntsuas ntsuas tau txhais tias yog ib nrab ntawm qhov ntsuas ntsuas