calculate the density of helium

  1. 1. the molar mass of helium is 4.00 g/mol.calculate the volume of 1 mol of helium at STP (T = 273, P = 1 atm) what is the
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    2. billystar asked by billystar
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  2. 1. the molar mass of helium is 4.00 g/mol.calculate the volume of 1 mol of helium at STP (T = 273, P = 1 atm) what is the
    1. answers icon 1 answer
    2. billystar asked by billystar
    3. views icon 758 views
  3. Helium is monatomic with a relative atomic mass of 4. calculate (i) the density of helium gas at a temperature of 0 degrees
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    2. Enya asked by Enya
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  4. A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and
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    2. AMY asked by AMY
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  5. Why does a balloon filled with helium rise while a balloon filled with an equal volume of average atmospheric air does not?A.
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  6. The density of hydrant is approximately 9x10^-5 g/cm^3 well the density of helium is approximately 2x10^-4 g/cm^3 which of the
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  7. A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and
    1. answers icon 1 answer
    2. Amanda asked by Amanda
    3. views icon 1,054 views
  8. A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and
    1. answers icon 1 answer
    2. Amy asked by Amy
    3. views icon 2,255 views
  9. You want to carry an 800kg object into the air using a helium balloon. What size of a helium balloon (I'm looking for volume)
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    2. James asked by James
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  10. Why does a balloon filled with helium rise while a balloon filled with an equal volume of average atmospheric air does not?A.
    1. answers icon 1 answer
    2. views icon 69 views