

Ke05 välitesti 2 jakso 4 2025
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Susanna Linko
FREE Resource
Student preview

10 questions
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1.
FLASHCARD QUESTION
Front
Jos kuparilevy laitetaan sinkkikloridiliuokseen
Back
ei tapahdu reaktiota, sillä jalompi metalli on jo pelkistyneessä muodossa.
2.
FLASHCARD QUESTION
Front
Jos hopeakoru tippuu väkevään typpihappoon, mitä tapahtuu?
Back
hopea hapettuu
3.
FLASHCARD QUESTION
Front
Back
+VII
4.
FLASHCARD QUESTION
Front
Back
hiili hapettuu
5.
FLASHCARD QUESTION
Front
Viereisessä kennokaaviossa
Back
sinkki hapettuu
6.
FLASHCARD QUESTION
Front
Kuinka suuren ulkoisen jännitteen seuraava reaktio vaatii tapahtuakseen: 2 I- (aq) + 2 K+ (aq) → I2 (g) + 2 K (s) puolireaktiot: I2 + 2e- → 2 I- Ep = + 0,54 V K+ + e- → K Ep = - 2,93 V
Back
-3,47 V
7.
FLASHCARD QUESTION
Front
Mikä on z:n arvo, kun lasketaan seuraavan reaktion vaatimien kloridi-ionien määrää (Kaavassa It=nzF) 2 Cl- + 2 e- → Cl2
Back
1
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