If 5 gases in a cylinder each have a partial pressure of 2.50 atm ,what is the total pressure exerted by the gases?
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Ответ:
12.5 atm.
Explanation:
The total pressure of a mixture of gases can be defined as the sum of the pressures of each individual gas:Ptotal = P1 + P2 + … + Pn.
∴ Ptotal = P of gas 1 + P of gas 2 + P of gas 3 + P of gas 4 + P of gas 5.
∴ Ptotal = 5(2.5 atm) = 12.5 atm.
Ответ:
2Fe + O₂ > 2FeO
8 mol Fe produce
8 mol Fe * 2 mol FeO / 2 mol Fe = 8 mol FeO
Mass of FeO = 8 mol FeO * 71.85 g/mol = 574.8 grams FeO
Explanation:
Having 8 mol of Iron means 8 moles of iron oxide can be produced. Each mole of iron oxide has a molecular weight of 71.85 grams. Therefore, 8 moles of iron oxide should weight 574.8 grams.