chemija Flashcards

(9 cards)

1
Q

cheminiai virsmai

A

cheminiu medziagu virsmai kuriems vykstant pakinta jas sudarančios daleles

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2
Q

kas suformulavo mases tvermes desni ir ka jis teigia

A

Al. de Lavujaze, teigia, kad reaguojančiu medziagu mase yra lygi susidarančiu medziagu masei

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3
Q

kokia. reakcija vadinama skilimo pvz

A

kai is 1 chemines medžiagos susidaro 2 ar daugiau cheminiu medziagu 2Hg0 -> 2Hg + O2

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4
Q

isvardinkit 4 pagr. cheminiu reakciju tipus

A

pavadavimo mainu sudėties skilimo

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5
Q

chemines reakcijos lygtis

A

tai chemine reakcija uzrasyta cheminemis formalemis ir koeficientais.

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6
Q
A
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7
Q

fizikiniai virsmai

A

cheminiu medziagu virsmai kuriem vykstant pakinta siu medziagu fizikines savybes

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8
Q

chemines savybes

A

visuma cheminiu reakciju, kuriose gali dalyvauti chemine medžiaga

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9
Q

chem reakciju pozymiai

A

pakinta spalva kvapas issiskiria siluma svies skiriasi dujos susidaro nuosėdos

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