
stechiometria
Authored by Anna Muszczak-Stolarczyk
Chemistry
10th Grade
Used 15+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Treść prawa stałości składu
Stosunek mas w mieszaninie jest stały i charakterystyczny dla mieszaniny.
Stosunek liczby protonów do liczby neutronów w atomie jest stały i charakterystyczny dla atomu.
Stosunek mas pierwiastków w związku chemicznym jest stały i charakterystyczny dla związku chemicznego.
Stosunek liczby elektronów do liczby neutronów w atomie jest stały i charakterystyczny dla atomu.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dobierz współczynniki stechiometryczne w równaniu
X N2 + Y H2 ---> Z NH3
X=1; Y=3; Z= 2
X=2; Y=3; Z= 1
X=3; Y=3; Z= 1
X=1; Y=1; Z= 2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Podaj nazwę systematyczną związku chemicznego o wzorze.
CaCl2
chlorek wapnia
wapnia chlorek
chlorek wapnia II
dichlorek wapnia
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
1 Mol to:
6,02 x 10 -23
1,667 x 10-24
1,667 x 10-22
6,02 x 10 23
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Temperatura w warunkach normalnych wynosi:
25*C
15*C
0*C
-273*C
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Objętość gazu wraz ze wzrostem temperatury:
brak poprawnej odpowiedzi
pozostaje bez zmian
zmniejsza się
zwiększa się
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
1 mol gazu w warunkach normalnych zajmuje w przestrzeni
22,4 dm2
20,4 dm3
22,4 dm3
4,4 dm3
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