fosforas ir amoniakas?? Flashcards

1
Q

fosforo raudona atmaina

A

kietas (milteliai), raudonų plytų spalvos, nenuodingas, bekvapis, nešvyti tamsoje, neužsiliepsnoja savaime

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2
Q

fosforo balta atmaina

A

kietas (kaip sviestas), gelsvas, nuodingas, česnako kvapo, švyti tamsoje, 40 temp pats užsidega

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3
Q

Fosforo chemines savybes

A
  1. reaguoja su metalais
    P+3Na=Na(3)P
  2. Reaguoja su deguonimi
    4P+3O(2)=2P(2)O(3)
    Pakankamumas
    4P+SO(2)=2P(2)O(5)
  3. reaguoja su vandeniliu
    2P+3H(2)=2PH(3)
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4
Q

fosforo panaudojimas

A

trąšų gamyboje, degalų gamyboje, padegamųjų bombų gamyboje

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5
Q

azoto fizikines savybes

A

Dujos, bespalves, lengvesnis už orą, bekvapis, netirpsta vandeny, nenuodingas

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6
Q

azoto chemines savybes

A
  1. Reaguoja su metalais
    3Mg+N(2)=Mg(3)N(2)
  2. Aukšta temp.
    N(2)+O(2)=2NO
  3. Su vandeniliu
    N(2)+3H(2)=2NH(3)
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7
Q

Azoto panaudojimas

A

žemės ūkyje, amoniako druska, azoto rūgšties druska

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8
Q

amoniako fizikines savybės

A

dujos, bespalvės, aštraus kvapo, nuodingos, labai gerai tirpsta su h2o, lengvesnės už orą

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9
Q

amoniakas

A

NH3

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10
Q

Azotas

A

N2

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11
Q

Fosforas

A

P

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12
Q

amoniako chemines savybės

A
  1. reaguoja su rūgštimis
    NH(3)+H(2)SO(4)=(NH(4))(2)+SO(4)
  2. Kaitinamas be oro amoniakas skyla
    2NH(3)=N2+3H(2)
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13
Q

Amoniakas su katalizatoriumi

A

NH3+O2=NO+H2O

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14
Q

Amoniakas be katalizatoriaus

A

NH3+O2=N2+H2O

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15
Q

amoniako panaudojimas

A

trąšų gamyboje, medicinoje, šaldytuve, dirbtinio ledo gamyboje

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