2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov lus teb twg txhais tau tias cov tshuaj tiv thaiv exothermic? txheej txheem uas lub zog tso tawm ua cua sov.
Dab tsi txhais cov tshuaj tiv thaiv exothermic?
Ib txheej txheem exothermic tso cua sov, ua rau qhov kub thiab txias ntawm ib puag ncig tam sim ntawd nce. Cov txheej txheem endothermic absorbs cua sov thiab ua kom qhov chaw nyob ib puag ncig."
Yuav ua li cas pov thawj qhov kev tawm tsam sab nraud?
Yog tias ob yam khoom sib xyaw ua ke thiab cua sov thiab lub teeb raug tsim, qhov no yog pov thawj muaj zog uas muaj qhov tshwm sim tshwm sim. Yog tias cua sov tau muab tawm, cov tshuaj tiv thaiv yog exothermic.
Puas yog exothermic tsis zoo lossis zoo?
Nyob rau hauv cov tshuaj tiv thaiv exothermic, lub zog raug tso tawm vim tias tag nrho lub zog ntawm cov khoom tsawg dua li tag nrho lub zog ntawm cov reactants. Vim li no, qhov kev hloov pauv hauv enthalpy, ΔH, rau kev tawm tsam sab nraud yuav ib txwm tsis zoo.
Koj paub li cas yog nws qhov exothermic lossis endothermic?
Hauv kev sib npaug tshuaj, qhov chaw ntawm lo lus "kub" tuaj yeem siv los txiav txim siab sai sai seb cov tshuaj tiv thaiv puas yog endothermic lossis exothermic. Yog cov cua sov tso tawm raws li cov khoom ntawm cov tshuaj tiv thaiv, cov tshuaj tiv thaiv yog exothermic. Yog tias cua sov tau teev nyob rau sab ntawm cov reactants, cov tshuaj tiv thaiv yog endothermic.
Pom zoo:
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.
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.
Qhov twg ntawm cov tshuaj tiv thaiv yog exothermic?
Thaum lub sijhawm muaj kev kub ntxhov, lub zog raug muab tawm tas li, feem ntau nyob rau hauv daim ntawv ntawm tshav kub. Txhua qhov kev tawm tsam combustion yog cov tshuaj tiv thaiv exothermic. Thaum lub sij hawm combustion, ib yam khoom kub hnyiab raws li nws ua ke nrog oxygen, tso lub zog nyob rau hauv daim ntawv ntawm tshav kub thiab lub teeb.
Cov tshuaj twg yog cov tshuaj uas tsis yog tshuaj tiv thaiv inflammatory analgesic?
Txhua yam koj yuav tsum paub txog NSAIDs. Nonsteroidal anti-inflammatory tshuaj (NSAIDs) yog cov tshuaj uas txo qis lossis txo qhov mob. Cov piv txwv nrov tshaj plaws ntawm cov tshuaj hauv pawg no yog aspirin thiab ibuprofen. NSAIDs tuaj nyob rau hauv lub ntsiab lus dav ntawm non-opioid analgesics.
Yuav ua li cas cov tshuaj tiv thaiv coagulants tiv thaiv cov ntshav txhaws?
Anticoagulants tseem hu ua ntshav thinners yog cov tshuaj uas siv los kho thiab tiv thaiv cov ntshav txhaws. Lawv cuam tshuam cov txheej txheem kev koom tes hauv kev tsim cov ntshav txhaws thiab ua haujlwm los ntawm kev tsom mus rau cov ntshav txhawsyam xws li thrombin, fibrin, thiab vitamin K.
