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Prirodopis > CHEMIE - BIG AHH TEST 3# > Flashcards

CHEMIE - BIG AHH TEST 3# Flashcards

1
Q

co je to galvanicky clanek?

A

zarizeni, ktere jako zdroj elektricke energie vyuziva chemickou reakci

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2
Q

suchy clanek:

A

elektrolyt je pasta nebo prasek (nikoli tekutina)
anoda - uhlikova tycinka obalena MnO2
katoda - zinkovy obal naplneny NH4Cl

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3
Q

jmenovite napeti clanku je…

A

1,5V

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4
Q

velikost mikrotuzkove baterie:

A

AAA

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5
Q

velikost tuzkove baterie:

A

AA

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6
Q

velikost maleho monoclanku:

A

C

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7
Q

velikost velkeho monoclanku:

A

D

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8
Q

plocha baterie je….

A

baterie se 3mi clanky

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9
Q

devitivoltova baterie je…

A

baterie s 6ti clanky

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10
Q

co je to akumulator?

A

galvanicky clanek, ktery se po vybiti da znovu nabit

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11
Q

vzorec oleveneho akumulatoru pri nabijeni a vybijeni:

A

vybijeni
—————>
Pb + 2H2SO4 + PbO2 2PbSo4 + 2H2O
<—————
nabijeni

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Prirodopis (16 decks)

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