
Estequiometria Easy
Authored by QUILION OLIVEIRA
Chemistry
11th Grade
Used 10+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Se você possui 3 mols de hidrogênio (H₂), quantos mols de água (H₂O) podem ser formados na reação 2H₂ + O₂ → 2H₂O?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se você tem 100 g de carbonato de cálcio (CaCO₃), qual a massa de óxido de cálcio (CaO) produzida na reação CaCO₃ → CaO + CO₂?
100
56
16
40
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual é o volume ocupado por 4 mols de gás nas CNTP (Condições Normais de Temperatura e Pressão)?
22,4
44,8
67,2
89,6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se você tem 36 g de água (H₂O), quantos mols de água estão presentes?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Se você tem 60 g de hidrogênio (H₂), qual a massa de água (H₂O) que pode ser produzida na reação 2H₂ + O₂ → 2H₂O?
540
270
30
90
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considere a reação 4NH₃ + 5O₂ → 4NO + 6H₂O. Se você tem 10 mols de amônia (NH₃), quantos mols de monóxido de nitrogênio (NO) podem ser produzidos?
8
6
4
10
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na reação 4K + 2O₂ → 2K₂O, quantos mols de oxigênio (O₂) são consumidos quando 6 mols de potássio (K) reagem completamente?
2
3
4
5
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