Video: Koj puas tuaj yeem yaj suab thaj hauv cawv?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Qab Zib ua tsis yog yaj zoo heev hauv cawv vim cawv muaj ib feem loj uas zoo nkauj tsis-polar. Qab Zib nyuaj yaj nyob rau hauv tag nrho cov roj vim roj yog heev tsis-polar.
Kuj paub yog, yog qab zib soluble hauv cawv?
Cawv molecules tsuas muaj ib cheeb tsam polar thiab kuj muaj ib cheeb tsam loj dua nonpolar. Qhov no ua rau cawv tsis yog ib qho zoo dissolver ntawm polar tshuaj. Ntxiv thiab, dej thiab cawv kev sib cuam tshuam, uas txhais tau hais tias cov dej tsis txawm yaj qab zib los yog xim raws li nws ib txwm xav.
Kuj Paub, puas qab zib yaj hauv isopropanol? Ob qho tib si citric acid thiab qab zib yog ob qho tib si dawb, tsis muaj ntxhiab tsw, muaj qhov sib xws, thiab yog ob qho tib si soluble hauv dej. Txawm li cas los xij, citric acid yog soluble hauv isopropanol thaum sucrose tsis yog.
Tom qab ntawd, cov piam thaj puas tuaj yeem yaj hauv tag nrho cov kuab tshuaj?
Cov kws tshawb fawb siv lo lus solubility. Solubility yog lub peev xwm ntawm cov kuab tshuaj (dej) rau yaj tus solute ( qab zib ). Tej zaum koj twb pom qhov kub thiab txias hauv koj cov chav kawm lawm. Feem ntau thaum koj cua sov a kuab tshuaj , nws tuaj yeem yaj cov ntaub ntawv ntau dua ( qab zib ) thiab tsawg dua roj (carbon dioxide).
Yuav ua li cas thaum koj yaj suab thaj hauv dej?
Qab zib dissolves hauv dej vim hais tias lub zog yog muab tawm thaum lub me ntsis polar sucrose molecules tsim intermolecular bonds nrog polar dej molecules. Cov ntawv cog lus tsis muaj zog uas tsim los ntawm cov kuab tshuaj thiab cov kuab tshuaj tau them rau lub zog xav tau los cuam tshuam cov qauv ntawm ob qho tib si cov kuab tshuaj ntshiab thiab cov kuab tshuaj.
Pom zoo:
Koj puas tuaj yeem cog sequoia loj heev hauv koj lub vaj?
Txhawm rau txiav txim siab, yog koj tuaj yeem loj hlob sequoia hauv koj lub tiaj nraum qaum tsev, koj tsuas yog xav txog qhov yuav tshwm sim mus ntev rau kev tswj hwm tsob ntoo thaum nws loj heev. Giant Sequoias thiab Coast Redwoods yog cov ntoo loj tshaj plaws hauv ntiaj teb
Koj tuaj yeem pom dab tsi hauv thaj chaw sov?
Vanilla yog muab los ntawm cov noob ntawm lub teb chaws sov orchid, thiab cov txuj lom xws li cinnamon, turmeric, allspice, Ginger thiab cloves originated nyob rau hauv lub tropics. Txiv hmab txiv ntoo, zaub, nplej thiab txiv ntoo xws li mov, taro, txiv maj phaub, yam, avocado, pineapple, guava, mango, papaya, breadfruit thiab jackfruit kuj hail los ntawm cheeb tsam chaw kub thiab muaj xyoob ntoo
Koj puas tuaj yeem ntxiv suab paj nruag rau kahoot?
Kahoot! muaj ib lub tsev qiv ntawv teev cov suab paj nruag countdown raws li qhov ntev ntawm txhua lo lus nug timer. Cov lem no yeej tsis tsim nyog rau lub ncauj lus lossis cov neeg mloog. Nws yuav zoo yog tias Kahoot! tso cai rau uploading ntawm kuv tus kheej lub suab clips uas yuav ua si ib zaug los yog nyob rau hauv lub voj thaum lub sij hawm ib lo lus nug countdown timer
Koj puas tuaj yeem yaj carbon dioxide?
Cov pa roj carbon dioxide nyob rau hauv nws daim ntawv yog lub npe hu ua "dry ice," vim hais tias nyob rau hauv tej yam kev mob nws sublimates, tig ncaj qha mus rau hauv roj, es tsis yog melting ua kua. Sab nraum lub chaw kuaj mob - ntawm qhov qub, qis atmospheric pressures - carbon dioxide yuav sublimate, tsis yaj, thaum kub nce
Puas muaj kev hloov pauv ntawm lub cev lossis tshuaj lom neeg thaum muaj suab thaj yaj hauv dej?
Dissolving qab zib hauv dej yog ib qho piv txwv ntawm kev hloov lub cev. Nov yog vim li cas: Kev hloov tshuaj lom neeg tsim cov khoom siv tshuaj tshiab. Txhawm rau kom qab zib hauv dej los ua cov tshuaj hloov pauv, ib yam tshiab yuav tsum tau ua. Yog tias koj evaporate cov dej los ntawm cov kua qab zib-dej, koj nyob nraum nrog qab zib