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  1. (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

  2. 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

  3. (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

  4. 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

  5. ... 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

  6. 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

  7. ...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

  8. ... some of the fluid from the reservoir with a turkey baster and adding some STP oil additive. This stuff will thicken the fluid up and allow less of it to slip...

    3 Answers · Cars & Transportation · 19/04/2019

  9. ... = 38.00 mL, T₁ = (273.2 + 25.5) K = 298.7 K STP: P₂ = 760 mmHg, V₂ = ? mL, T₂ = 273.2 K...

    1 Answers · Science & Mathematics · 03/04/2019

  10. (8.91 g)/(44.0 g/mol) = 0.2025 moles. At STP, one mole occupies 22.414L, so the 0.2025 moles would occupy...

    1 Answers · Science & Mathematics · 11/03/2019

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