2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Dab tsi yog cov reactants thiab cov khoom ntawm cov tshuaj tiv thaiv rau pem hauv ntej (sab laug-rau-txoj cai)?Glucose thiab Fructose yog cov reactants. Sucrose thiab Dej yog cov khoom.
Puas yog cov tshuaj tiv thaiv tom ntej yog cov tshuaj tiv thaiv condensation lossis cov tshuaj tiv thaiv hydrolysis?
Kev faib tawm ntawm cov tshuaj tiv thaiv hydrolysis suav nrog ob qho tib si kev tawm tsam tom ntejuas koom nrog kev sib ntxiv ntawm cov dej rau ib lub molecule kom tawg nws sib nrug los yog rov qab cov tshuaj tiv thaiv cuam tshuam nrog kev tshem tawm cov dej los koom nrog molecules ua ke, termed dehydration synthesis (los yog condensation) (Daim duab 7.7).
Yuav ua li cas ntau yam ntawm cov organic tebchaw sib txawv yog tias cov pa roj carbon muaj xya electrons nyob rau hauv nws lub zog sab nraud tsis yog plaub?
Yuav ua li cas ntau yam ntawm cov organic tebchaw sib txawv yog tias cov pa roj carbon muaj xya electrons hauv nws lub zog sab nraud tsis yog plaub? Nrog xya electrons nyob rau hauv nws lub zog sab nraud, carbon tsis tuaj yeem tsim ob lossis peb npaug nrog lwm cov atoms, kom deb li deb tsawg cov organic tebchaw tuaj yeem tsim.
Kev tawg ntawm polymer cuam tshuam dab tsi?
Polymers tau tawg ua monomers hauv cov txheej txheem hu ua hydrolysis, uas txhais tau tias "siv dej," cov tshuaj tiv thaiv uas siv cov dej molecule thaum lub sij hawm tawg. Thaum cov tshuaj tiv thaiv no, cov polymer tau tawg ua ob yam.
Yog cov tsev me meYuav ua li cas xaiv cov polymers?
Qhov tseem ceeb, monomers yog lub tsev thaiv ntawm polymers, uas yog ntau hom molecules. Monomers-repeating molecular units-yog txuas rau polymers los ntawm covalent bonds.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Cov tshuaj tiv thaiv dab tsi rau kev txhaj tshuaj tiv thaiv thib ob?
Cov tshuaj tiv thaiv COVID-19 thib ob yog dab tsi? Cov kev mob tshwm sim feem ntau tom qab koob thib ob yog qhov mob ntawm qhov chaw txhaj tshuaj (92.1% tshaj tawm tias nws kav ntev dua 2 teev); qaug zog (66.4%); mob lub cev lossis leeg nqaij (64.
Puas yog pem hauv ntej thiab pem hauv ntej yuav zoo ib yam?
Puas yog cov ntaiv yuav tsum phim rau pem teb saum toj lossis hauv qab? Cov neeg tsim qauv sab hauv thiab cov kws tshaj lij hauv pem teb universally pom zoo rau cov lus teb. Stairs ua ib qho kev hloov ntawm ob lub plag tsev, thiab yog li ntawd, yuav tsum koom tes nrog ob qho tib si hauv pem teb thiab hauv pem teb.
Vim li cas cov tshuaj tiv thaiv combustion yog cov tshuaj tiv thaiv oxidation?
Kev sib xyaw ua ke ib txwm ua rau muaj oxygen lossis huab cua. … Hauv combustion cov tshuaj tiv thaiv oxygen yog ua ke nrog cov roj qhov chaw feem ntau carbon thiab hydrogen raws li ua rau carbon dioxide thiab dej thiab yog li qhov no yog cov tshuaj tiv thaiv oxidation.
Dab tsi yog cov khoom lag luam thaum cov tshuaj reactants yog cawv thiab thionyl chloride?
Yog tias koj haus cawv thiab ntxiv thionyl chloride, nws yuav hloov mus rau hauv alkyl chloride. Cov byproducts ntawm no yog hydrochloric acid (HCl) thiab sulfur dioxide (SO2). Cov tshuaj tiv thaiv ntawm thionyl chloride ntawm cawv yog dab tsi?
