Volume of gases

Last updated: 06/02/2020
OCR-A A-Level Chemistry Compounds, formulae and equations Volume of gases
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  1. Current
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  3. Answered

  1. What is molar gas volume?

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  2. What are the units for molar gas volume?

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  3. What is the equation to work out the number of moles, using molar gas volume?

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  4. What is the equation to work out the number of moles, using molar gas volume?

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  5. What is the value for the molar gas volume at room temperature and pressure?

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  6. What is the value for the molar gas volume at room temperature and pressure?

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  7. What is the SI unit value for 1 atm in pascals?

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  8. What is the SI unit value for 1000 dm3^3 in cubic metres?

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  9. What is the SI unit value for O℃ in kelvin?

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  10. Calculate the volume of 4.5 mol of O2_2. Write your answer in dm3^3.

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  11. Calculate the volume of 4.5 mol of CO. Write your answer in cm3^3.

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  12. Calculate the volume of 0.25 mol of Cl2_2. Write your answer in cm3^3.

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  13. Calculate the volume of 1.45 grams of CH4_4. Write your answer in dm3^3, to two decimal places.

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  14. Calculate the volume of 3.33 grams of NO2_2. Write your answer in dm3^3, to one decimal place.

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  15. Calculate the volume of 6.5 grams of N2_2. Write your answer in cm3^3, to three significant figures.

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  16. Calculate the volume of 2.34 grams of NH4_4. Write your answer in cm3^3, to one significant figure.

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  17. Calculate the mass of 35 dm3^3 of SO2_2. Leave your answer to two decimal places.

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  18. Calculate the mass of 0.6 dm3^3 of O3_3 . Leave your answer to one decimal place.

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  19. Calculate the mass of 3.5 cm3^3 of HCN. Leave your answer to two significant figures.

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  20. Calculate the mass of 0.95 cm3^3 of PH3_3 . Leave your answer to two decimal places.

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  21. Calculate the number of moles of gas molecules that are in 28 dm3^3 .

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  22. Calculate the number of moles of gas molecules that are in 46 dm3^3 .

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  23. Calculate the number of moles of gas molecules that are in 2305 dm3^3 .

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  24. Calculate the volume of 0.5 mol of CO2_2 . Write your answer in dm3^3 .

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