Video: Koj ua kua qaub nyob hauv tsev li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
VIDEO
Yog li ntawd, ua li cas koj ua acids?
Ua ntej, koj yuav ncuav ib co ntsev rau hauv lub lauj kaub distil. Tom qab ntawd, koj yuav ntxiv ib co concentrated sulfuric kua qaub mus rau ntsev. Tom ntej no, koj yuav cia cov no cuam tshuam nrog ib leeg. Koj yuav pib pom gasses npuas thiab cov roj hydrogen chloride tshaj tawm los ntawm lub raj sab saum toj.
Ib yam li ntawd, puas sulfuric acid evaporate? Lub equilibrium, saturated vapor siab ntawm sulfuric acid yog heev me me ntawm ambient kub. bp ntawm cov concentrated heev (fuming ntawm> 98%) kua qaub yog 337 C. Qhov tseem ceeb evaporation tsuas yog tshwm sim ntawm qhov kub thiab txias tshaj 150 C thiab siab kua qaub concentrations (saib daim duab).
Ib yam li ntawd, lub ntiaj teb cov kua qaub uas muaj zog tshaj plaws yog dab tsi?
Carborane superacids tuaj yeem suav hais tias yog lub ntiaj teb muaj zog tshaj plaws solo kua qaub Raws li fluoroantimonic kua qaub Qhov tseeb yog qhov sib xyaw ntawm hydrofluoric kua qaub thiab antimony pentafluoride.
Kuv puas tuaj yeem yuav sulfuric acid?
Roj teeb kua qaub , uas tej zaum yuav yuav ntawm lub khw muag khoom tsheb, yog kwv yees li 35% sulfuric acid . Hauv ntau qhov xwm txheej, qhov no yuav ua kom muaj zog txaus rau koj cov dej num, tab sis yog tias koj xav tau concentrated sulfuric acid , koj tsuas yog yuav tsum tau tshem cov dej.
Pom zoo:
Koj puas ntxiv cov kua qaub rau hauv lub hauv paus lossis lub hauv paus rau cov kua qaub?
Ntxiv cov kua qaub ua kom cov concentration ntawm H3O + ions hauv cov tshuaj. Ntxiv ib lub hauv paus txo cov concentration ntawm H3O + ions hauv cov tshuaj. Cov kua qaub thiab lub hauv paus zoo li cov tshuaj tiv thaiv. Yog hais tias lub hauv paus yog ntxiv rau cov kua qaub, cov tshuaj yuav tsis acidic thiab txav mus rau nruab nrab ntawm pH nplai
Yuav ua li cas koj txiav txim siab npaum li cas ntawm cov kua qaub uas yuav tsum tau neutralize lub hauv paus?
Kev daws qhov teeb meem Acid-Base Neutralization Kauj Ruam 1: Muab xam cov moles ntawm OH-. Molarity = moles / ntim. moles = Molarity x Volume. moles OH- = 0.02 M/100 milliliters. Kauj ruam 2: Xam qhov ntim ntawm HCl xav tau. Molarity = moles / ntim. Volume = moles/molarity. Volume = moles H+/0.075 Molarity
Dab tsi yog qee cov kua qaub hauv tsev thiab cov hauv paus?
Daim ntawv teev cov tsev Bases & Acids Baking Soda. Baking soda yog lub npe nrov rau sodium bicarbonate, paub tshuaj raws li NaHCO3. Diluted Soaps. Tsev neeg Ammonia. Tsev Neeg Vinegar. Citric Acid
Koj ua li cas kuaj cov kua qaub thiab cov hauv paus?
Dip ib kawg ntawm daim ntawv xiav litmus rau hauv cov tshuaj, ces tshem tawm sai sai. Cov ntawv xiav litmus kuaj rau cov kua qaub. Nws yuav tig liab tam sim yog tias cov tshuaj yog acidic. Nws yuav nyob xiav yog tias qhov kev daws teeb meem yog nruab nrab lossis yooj yim
Cov piv txwv ntawm tsev neeg cov kua qaub thiab cov hauv paus yog dab tsi?
Daim ntawv teev cov tsev Bases & Acids Baking Soda. Baking soda yog lub npe nrov rau sodium bicarbonate, paub tshuaj raws li NaHCO3. Diluted Soaps. Tsev neeg Ammonia. Tsev Neeg Vinegar. Citric Acid