
Acerto de equações químicas
Presentation
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Rita Santos
Used 9+ times
FREE Resource
5 Slides • 4 Questions
1
Acerto de equações químicas
AECerco
8.ºano
2
Multiple Choice
CH4 (g) + O2 (g) → CO2 (g)+H2O (g)
Para ficar certa, esta equação teria de ter os coeficientes estequiométricos:
1, 2, 1, 2
1, 2, 2, 1
2, 2, 1, 2
2, 2, 2, 1
3
Multiple Choice
HgO (s) → Hg (s) + O2(g)
Para ficar certa, esta equação teria de ter os coeficientes estequiométricos:
2, 2, 2
4, 4, 1
2, 2, 1
1, 2, 1
4
Multiple Choice
CH4(g) + Cl2 (g) → CCl4(g) + HCl (g)
Para ficar certa, esta equação teria de ter os coeficientes estequiométricos:
1, 2, 1, 4
1, 4, 1, 4
2, 2, 1, 4
2, 1, 2, 4
5
6
7
8
9
Multiple Choice
H2 (g) + O2 (g) → H2O (g)
Para ficar certa, esta equação teria de ter os coeficientes estequiométricos:
1, 2, 1
1, 2, 2
2, 2, 1
2, 1, 2
Acerto de equações químicas
AECerco
8.ºano
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