
Test 12 - Cinetica
Authored by Violeta Imbuzan
Chemistry
12th Grade
Used 4+ times

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9 questions
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1.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Precizati tipul reactiei din punct de vedere al vitezei de reactie(rapida / lenta):
H2O2 -> H2O + 1/2O2
2.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Precizati tipul reactiei din punct de vedere al vitezei de reactie(rapida / lenta):
AgNO3 (aq) + HCl (aq) -> AgCl(s) + HNO3 (aq)
3.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Benzenul se alchileaza cu clorometan in prezenta clorurii de aluminiu (AlCl3) rezultand toluen si acid clorhidric conform ecuatiei reactiei chimice:
C6H6 + CH3Cl -> C6H5-CH3 + HCl.
Precizati rolul AlCl3 in aceasta reactie
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Expresia matematica a legii de viteza pentru o reactie de tipul A + 2B ->produsi este:
V = K * [A] * [B]2
V = K * [A]2 * [B]
V = [A]2 * [B]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unitatea de masura a vitezei de reactie este:
Mol * L-1 * s-1
Mol-1 * L * s-1
Mol * L-1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ordinul de reactie pentru urmatoarea reactie este:
2NO + Br2 -> 2NOBr
2
3
1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pentru reactia de tipul 2A -> P, de ordinul II, se cunosc K = 2,5*10-6 L * mol-1 * s-1 si [A] = 0,2 mol * L-1 viteza are valoarea:
10-7
5 * 10-7
10-9
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