2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob hauv cov txheej txheem ntub dej (saib daim duab 1), phosphoric acid yog tsim los ntawm reacting sulfuric acid (H2SO4) nrog ib txwm muaj phosphate pob zeb. Cov tshuaj tiv thaiv kuj tsim calcium sulfate (CaSO4), feem ntau hu ua gypsum. Lub insoluble gypsum yog cais los ntawm cov tshuaj tiv thaiv los ntawm kev pom.
phosphoric acid tuaj qhov twg?
Phosphoric acid yog tsim los ntawm cov ntxhia phosphorus, uas pom muaj nyob hauv lub cev. Nws ua haujlwm nrog calcium los tsim cov pob txha thiab cov hniav. Nws kuj pab txhawb rau lub raum ua haujlwm thiab txoj hauv kev uas koj lub cev siv thiab khaws cia lub zog.
phosphoric acid yog dab tsi?
Ntshiab phosphoric acid yog crystalline khoom (melting point 42.35 ° C, los yog 108.2 ° F); nyob rau hauv tsawg concentrated daim ntawv nws yog ib tug colorless syrupy kua. Cov kua qaub crude yog npaj los ntawm phosphate pob zeb, thaum cov kua qaub ntau dua yog tsim los ntawm cov phosphorus dawb. Orthophosphoric acid, H3PO4, feem ntau hu ua yooj yim phosphoric acid.
Cov dej qab zib dab tsi siv phosphoric acid?
Ntxiv rau lawv saj. Coca-Cola European Cov Neeg Koom Tes siv cov phosphoric acid tsawg heev hauv qee qhov ntawm Coca-Cola cov dej qab zib, xws li Coca-Cola Classic, Diet Coke, Coca-Cola Zero Qab Zib thiab Dr Pepper. Nws ua rau lawv tartness.
Vim li cas phosphoric acid hauv Coke?
Phosphoric acid yog txhob txwm muab ntxiv rau cov dej qab zib kom lawv muaj tsw dua . Nwskuj slows txoj kev loj hlob ntawm cov pwm thiab kab mob, uas yuav txwv tsis pub ntau sai nyob rau hauv cov kua qab zib. Yuav luag tag nrho cov acidity ntawm soda pop los ntawm phosphoric acid thiab tsis yog los ntawm carbonic acid los ntawm yaj CO2.
Pom zoo:
Puas yog ascorbic acid thiab citric acid tib yam?
Hauv kev khaws zaub mov, citric acid thiab ascorbic acid yog ob hom kua qaub siv rau ob txoj haujlwm sib txawv. Hos ob leeg yog cov kua qaub, lawv tsis zoo ib yam. … Citric acid yog acidic dua li ascorbic acid. Yog li ntawd, citric acid tau pom zoo thaum lub kaus mom txiv lws suav kom txo qis pH lossis nce acidity.
Puas yog palmitic acid yog ib qho tseem ceeb fatty acid?
Palmitic acid tsis yog ib qho tseem ceeb fatty acid vim tus me nyuam mos muaj peev xwm ntawm de novo synthesis ntawm palmitic acid ntawm qabzib. Txawm li cas los xij, nyob rau hauv tib neeg cov kua mis triglycerides, palmitic acid muaj ntau heev (20-25% ntawm tag nrho cov mis fatty acids).
Puas yog orthophosphoric acid tib yam li phosphoric acid?
Phosphoric acid, tseem hu ua orthophosphoric acid lossis phosphoric (V) acid, yogtsis muaj kua qaubnrog cov tshuaj formula H3PO4. Lub npe phosphoric acid yog dab tsi? Orthophosphoric acid, H3PO4, feem ntau hu ua yooj yim phosphoric acid.
Vim li cas boric acid tsis yog protonic acid?
boric acid yog ib qho tsis muaj zog monobasic acid. Vim nws tsis muaj peev xwm tso H+ions ntawm nws tus kheej. Nws tau txais OH- ions los ntawm cov dej molecules kom ua tiav nws cov octet thiab tso tawm H + ions. Nws tsis muaj hydrogen ions yog li tsis yog ib tug protonic acid tab sis lawv tuaj yeem txais electrons los ntawm OH- yog li nws yog Lewis acid.
Vim li cas hydrochloric acid thiaj li muaj zog acid?
HCl yog cov kua qaub muaj zog vim nws dissociates yuav luag tag . Los ntawm qhov sib txawv, cov kua qaub tsis muaj zog zoo li acetic acid (CH 3 COOH) tsis cuam tshuam zoo hauv dej - ntau H + ions nyob twj ywm hauv cov molecule. Hauv cov ntsiab lus:
