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4 Fe + 3 O2 → 2 Fe2O3 (49.7 g Fe) / (55.8450 g Fe/mol) x (3 mol O2 / 4 mol Fe) x (22.414 L/mol) = 15.0 L O2

1 Answers · Science & Mathematics · 20/05/2019

Supposing the reaction to be: NH4NO3 → N2O + 2 H2O (0.165 L N2O) / (22.414 L/mol) x (1 mol NH4NO3 / 1 mol N2O) x (80.0434 g NH4NO3/mol) = 0.589 g NH4NO3

1 Answers · Science & Mathematics · 20/05/2019

(0.0455 mol) x (22.414 L/mol) = 1.02 L

1 Answers · Science & Mathematics · 20/05/2019

(8.006 g He) / (4.002602 g He/mol) x (22.414 L/mol) = 44.83 L (not m³)

2 Answers · Science & Mathematics · 19/05/2019

1. In the question, it is "5 g of alcohol", the term alcohol means ethanol (CH3CH2OH). If it is saild that "5 g of an alcohol", the term alcohol means a compound which contains -OH group.

3 Answers · Science & Mathematics · 17/05/2019

(6460 mL) x (807 mmHg / 760 mmHg) x (273.15 K / (77.2 + 273.15) K) = 5348 mL P = nRT / V = (175 g S2O / (80.1294 g S2O/mol)) x (0.082057338 L atm/K mol) x (195 + 273) K / (16.6 L) = 5.05 atm

1 Answers · Science & Mathematics · 13/05/2019

Part a) the steps are correct, but I get 0.334 moles of H2 and a volume of 7.48 L, or 7.5 L after rounding to two sig-figs. For part b), I get 1.645 atm, or 1.6 rounded to two sig-figs.

1 Answers · Science & Mathematics · 04/05/2019

... produced = (1.47 mol) × (2/3) = 0.98 mol Molar volume of

**STP**= 22.4 L/mol Volume of CO₂ measured at**STP**...2 Answers · Science & Mathematics · 01/05/2019

Use the relationship: P1V1/T1 = P2V2/T2 You just need to make sure that units are consistent and that temperatures are in Kelvin: P1 = 320 torr/760 torr/atm = 0.421 atm T1 = 279 K T2 = 230...

1 Answers · Science & Mathematics · 30/04/2019

...mass of O₂ = 16.0 × 2 g/mol = 32.0 g/mol Molar volume of a gas at

**STP**= 22.4 L/mol Suppose it is at**STP**. Volume...3 Answers · Science & Mathematics · 30/04/2019

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