skyrius x Flashcards

1
Q

chemija

A

mokslas tiriantis medziagu sudeti, savybes ir vienu medziagu virtima kitomis

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2
Q

tankio formule

A

kuno mase. m
Tankis = ——————. p= —-
kuno tankis. V

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3
Q

nesotusis tirpalas

A

tirpalas, kuriame nepakeitus temperaturos dar tirpsta tirpinama medziaga

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4
Q

jonai

A

teigiamaji ir neigiamaji kruvi turincios daleles, kuriomis virsta atomai prisijunge ar prarade elektronus

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5
Q

filtratas

A

skystis pratekejas pro filtravimo popieriu

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6
Q

distiliavimas

A

askysciu arba ju misiniu garinimas ir gautu garu kondensavimas

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7
Q

nusistojimas

A

nuosedu savaiminis atsiskirimas is nejudinamos suspensijos, dvieju nesimaisanciu skysciu issisluoksniavimas

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8
Q

nevienalyciai misiniai

A

tokie misiniai kuriuos sudarancios daleles matomos plika akimi

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9
Q

tirpinys

A

medziaga kuri beriama, pilama ar puciama i tirpikli

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10
Q

tirpumas

A

medziagos savybe istirpti ir sudaryti su kita medziaga vienalyti misini

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11
Q

molekule

A

maziausia medziagos dalele

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12
Q

persotintas tirpalas

A

tirpalas, kuriame istirpusios medziagos mase yra didesne negu tos pacios temperaturos sociajame tirpale

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13
Q

misinys

A

medziaga susidedanti maziausiai is dvieju sudedamuju daliu

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14
Q

skystasis vienalytis misinys

A

gaunamas tirpalas, medziagai istirpus tirpiklyje

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15
Q

atomas

A

maziausia chemiskai nedaloma dalele

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16
Q

tirpiklis

A

medziaga kurioje tirpinama kita medziaga

17
Q

sotusis tirpalas

A

tirpalas,kuriame yra didziausia istirpusios medziagos mase atitinkamoje temperaturoje

18
Q

vienalyciai misiniai

A

tokie misisniai, kuriuossudaranciu daleliu negalima pamatyti net pro stipriausia mikroskopa

19
Q

neorganine chemija

A

negyvoji gamta

20
Q

chemija

A

mokslas tiriantis medziagu sudeti, savybes ir vienu medziagu virtima kitomis

21
Q

organine chemija

A

gyvoji gamta

22
Q

filtravimas

A

kietuju daleliu atskirimas filtru is skysciu arba duju

23
Q

sijojimas

A

biriu medziagu misinio rusiavimas

24
Q

ka rodo misinio sudetis %

A

rodo kiek atskiros medziagos mases daliu yra 100-te mases daliu misini

25
Q

m(misinio)

A

m(medziagos)•100%
m(misinio)=———————————
w(medziagos)

26
Q

m(medziagos)

A

m(medziagos)=w(medziagos)•m(misinio)