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Jogo sobre cálculos estequiométricos

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Jogo sobre cálculos estequiométricos

by Nicole Cardoso Lucas
1

Qual a massa molar do H₂O?

2

Quantos mols há em 36g de água? (H₂O = 18 g/mol)

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3

Qual o coeficiente do O₂ na equação: _CH₄ + _O₂ → _CO₂ + _H₂O?

4

Na reação 2H₂ + O₂ → 2H₂O, qual a proporção molar entre H₂ e O₂?

5

Quantos gramas de CO₂ são produzidos na combustão de 22g de CH₄? (CH₄ = 16 g/mol; CO₂ = 44 g/mol)

6

Qual o volume ocupado por 2 mols de um gás ideal nas condições normais de temperatura e pressão (CNTP)? (Lembrete: 1 mol de gás ocupa 22,4L em CNTP)

7

Se a produção teórica de um experimento era de 80g de produto, mas foram obtidos apenas 60g, qual o rendimento percentual? (Dica: Rendimento = (experimental/teórico) × 100)

8

Quantos gramas de Na (sódio) são necessários para reagir completamente com 48g de O₂ formando Na₂O? (Dados: Na = 23 g/mol, O₂ = 32 g/mol) Reação: 4Na + O₂ → 2Na₂O (Passo básico: 1 mol de O₂ (32g) reage com 4 mols de Na (92g))

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