Cov txheej txheem:

Yuav ua li cas ua kom glow sticks glow brighter?
Yuav ua li cas ua kom glow sticks glow brighter?

Video: Yuav ua li cas ua kom glow sticks glow brighter?

Video: Yuav ua li cas ua kom glow sticks glow brighter?
Video: Koj mus ua neej zoo li cas lawm 11/16/2018 2024, Kaum ib hlis
Anonim

Cov kauj ruam

  1. Snap lub glow sticks yog li koj tuaj yeem qhib cov tshuaj chemicalreaction xav tau rau lub sticks rau ci ntsa iab .
  2. Sau lub lauj kaub nrog dej sov thiab boil.
  3. Qhov chaw glow sticks nyob rau hauv dej thiab cia nws boil rau txog ib feeb.
  4. Tshem tawm cov glow sticks los ntawm cov dej uas siv cov hlua.
  5. Mus rau hauv chav tsaus ntuj.

Kuj tseem paub yog, dab tsi ua rau lub teeb ci ntsa iab?

Phenyl oxalate ester yog lub luag haujlwm rau luminescencein a glow stick . Cov tshuaj tiv thaiv nrog hydrogen peroxide ua rau cov kua hauv a glow stick rau glow . Cov tshuaj no tuaj yeem sting thiab hlawv qhov muag, khaus thiab khaus tawv nqaij thiab tuaj yeem hlawv qhov ncauj thiab caj pas yog tias noj.

Tom qab ntawd, lo lus nug yog, vim li cas lub teeb ci ntsa iab ci ntsa iab hauv dej kub? Cov sov glow stick yog ci dua , yog li cov tshuaj tiv thaiv tshuaj yuav tshwm sim sai dua. Qhov txias glowstick tsis yog li kaj , yog li cov tshuaj tiv thaiv tej zaum yuav tshwm sim qeeb. Qee tus neeg qhov chaw glow sticks nyob rau hauv lub freezer kom lawv kav ntev. Cov tshuaj tiv thaiv uas tshwm sim hauv lub teeb stick qeeb qeeb thaum txias.

Ib yam li ntawd ib tug yuav nug, dab tsi xim glow stick yog brightest?

Ntsuab thiab daj Glow tus Brightest Ntsuab lossis daj glowsticks feem ntau yog cov ci ntsa iab xim raws li txiv kab ntxwv, yog li mus rau qhov no yog tias koj siv glowsticks rau kev pom lossis xwm txheej ceev.

Puas yog glow sticks hloov tshuaj los yog lub cev?

Lub raj sab nraud yog ntim nrog dye, uas txiav txim siab cov xim ntawm lub glow stick , thiab a tshuaj hu ua diphenyl oxalate. Thaum koj tawg a glow stick , koj rhuav lub iav sab hauv. Nws cov khoom xyaw yog pub dawb rau sib tov thiab hnov mob, tso carbon dioxide thiab tshuaj lub zog, uas hloov mus rau qhov pom kev.

Pom zoo: