vodik i spojevi Flashcards

(11 cards)

1
Q

gorenje vodika

A

goriva tvar + o2 -> E + co2 +h2o
2h2+o2->h2o + e

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2
Q

dobivanje vodika

A

el3ktroliza i laboratorijski nacin

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3
Q

elektroliza

A

industrijski nacin
2h20 -> o2 + 2h2

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4
Q

laboratorijski nacin

A

istiskivanje vodika iz vode uz pomoc metala 1 i 2 skupine ili kiselina metala i luzina
1 i 2 skupina i prelazni metali

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5
Q

upotreba vodika

A

raketno gorivo, gorivni clanci, margarin, umjetna goriva

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6
Q

gorivni clanci

A

2h2 + o2 -> 2h20 + E

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7
Q

kovalentni spojevi

A

hcl
hBr
h2o h2s
nh3
ch4

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8
Q

ionski spojevvi

A

CaH2

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9
Q

vodikov peroksid

A

h2o2
hidrogen
cuva se u tamnim bocama da se sprijeci fotoliza

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10
Q

raspad vodikova peroksida

A

2h2o ->(MnO2)-> o2 + 2h2o

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11
Q

primjena vodikova peroksida

A

za ciscenje povrsinskih rana
izbjeljavanja kose

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