Revisão
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Suevelyn Luiz
Used 3+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quantos gramas de hidrogênio reagem com 5 mols de oxigênio para formar água?
Dica: relacione mol com massa
90g
32,7g
20g
3g
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quantos mols de água são formados a partir de 4 mols de hidrogênio?
Dica: utilize a proporção estequiométrica da reação
2 mols
4 mols
6 mols
8 mols
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a massa de oxigênio necessária para reagir completamente com 10 mols de hidrogênio?
Dica: utilize a massa molar dos elementos
160g
320g
180g
90g
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se 3 mols de oxigênio reagem com hidrogênio, quantos mols de água são formados?
Dica: utilize a proporção estequiométrica da reação
1 mol
2 mols
3 mols
4 mols
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(UFSCar-SP) A massa de dióxido de carbono liberada na queima de 80 g de metano, quando utilizado como combustível, é: (Dado: massas molares, em g/mol: H = 1, C = 12, O = 16)
220g
10g
330g
90g
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
8
9
3
4
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