Erreakzio kimikoak
Authored by AITOR VAZQUEZ
Physics
1st - 10th Grade
Used 9+ times
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44 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
zenbat mol daude 160g-ko NH3?
N:14 ; H:1
17 UMA
17 Moles
4.7 moles
9.4 moles
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kalkulatu hurrengo konposatuaren masa molarra:
[Ca3(PO4)2]
Ca:40 ; P:31; O:16
87.05g
310 g/mol
310 g
87.05 g/mol
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Doitu ekuazioa
a C3H8 + b O2 → c CO2 + d H2O
a=1 , b=5 , c=3 , d=4
a=1 , b=4 , c=3 , d=4
a=1 , b=5 , c=3 , d=3
a=2 , b=5 , c=3 , d=4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Doitu ekuazioa
a KNO3 → b KNO2 + c O2
a=1 , b=1 , c=½
a=1 , b=2 , c=½
a=2 , b=1 , c=½
a=1 , b=1 , c=⅔
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Doitu erreakzioa Zn +HCl = ZnCl2 + H2. Aukeratu zein izango dira koefizienteak, erreakzioa doituta izateko
1, 2, 1, 2
2,1 1, 1
1, 2, 1, 1
1,1, 1, 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Honako erreakzioan H2 + O2 = H2O. Zein da produktua?
H2
O2
H2O
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Honako erreakzioa doitu behar baduzu, zein koefiziente erabiliko zenituzke?
Zn +HCl = ZnCl2. + H2
1, 2, 1, 2
2,1 1, 1
1, 2, 1, 1
1,1, 1, 1
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