2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Yog tias qhov tshuaj tiv thaiv yog exothermic (H yog qhov tsis zoo) thiab qhov entropy S yog qhov zoo (ntau qhov teeb meem), qhov hloov pauv lub zog dawb yog ib txwm tsis zoo thiab cov tshuaj tiv thaiv ib txwm muaj. … Yog hais tias qhov enthalpy hloov H thiab qhov hloov pauv entropy S yog qhov zoo lossis ob qho tib si tsis zoo, qhov tshwm sim ntawm qhov tshwm sim nyob ntawm qhov kub.
Tus txheej txheem exothermic puas tuaj yeem tsis yog tus kheej?
Ib qho tshuaj tiv thaiv exothermic tuaj yeem tsis yog-spontaneous thaum kub siab thiab entropy tsis zoo, raws li qhia hauv ∆G=∆H-T∆S kab zauv.
Puas yog cov tshuaj tiv thaiv kab mob endothermic ib txwm muaj tshwm sim?
Nyob rau hauv cov tshuaj tiv thaiv endothermic, lub zog yog absorbed thaum lub sij hawm cov tshuaj tiv thaiv, thiab cov khoom yog li muaj ib tug loj npaum li cas ntawm lub zog tshaj cov reactants. … Yog li ntawd, cov tshuaj tiv thaiv yuav tsis tshwm sim yam tsis muaj kev cuam tshuam sab nraud xws li cov cua kub tsis tu ncua. Txawm li cas los xij, cov tshuaj tiv thaiv kab mob endothermic tshwm sim tshwm sim, lossis ib txwm muaj.
hom tshuaj tiv thaiv twg yog qhov tshwm sim?
Ib qho tshuaj tiv thaiv uas yog exothermic (ΔH tsis zoo) thiab ua rau muaj kev nce ntxiv hauv lub cev ntawm lub cev (ΔS zoo) yuav ib txwm ua raws li tus kheej.
Yuav ua li cas cov tshuaj tiv thaiv ib txwm muaj quizlet?
Exothermic reactions yog ib txwm ua. Cov tshuaj tiv thaiv kab mob endothermic yeej tsis tshwm sim. Cov tshuaj tiv thaiv kab mob endothermic yeej tsis tshwm sim. Ib qho tshuaj tiv thaiv uas ua rau muaj kev nce ntxiv hauv entropy ntawm lub cev yog ib txwm ua raws.
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.
Cov tshuaj tiv thaiv tam sim no puas tiv thaiv kab mob sib txawv?
2) qhov sib txawv tam sim no yog qhov sib txawv tshaj plaws ntawm COVID-19. Nws yog ze li ob zaug kis tau tus kab mob ua ntej thiab yuav ua rau mob hnyav dua. Txawm hais tias kev tshawb fawb qhia tias cov tshuaj tiv thaiv COVID-19 tsis tshua muaj txiaj ntsig zoo rau qhov sib txawv, cov tshuaj tiv thaiv tseem zoo li muab kev tiv thaiv COVID-19 hnyav.
Puas yog lub cev tiv thaiv kab mob hauv lub cev puas tsim cov tshuaj tiv thaiv?
Lub cev tiv thaiv kab mob tau txais, nrog kev pab los ntawm lub cev hauv lub cev, tsim cov hlwb (tshuaj tiv thaiv kab mob) los tiv thaiv koj lub cev los ntawm ib tus neeg invader tshwj xeeb. Cov tshuaj tiv thaiv no yog tsim los ntawm cov hlwb hu ua B lymphocytes tom qab lub cev tau raug rau cov neeg ua phem.
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.
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.
