anonymous
  • anonymous
Nitrogen gas in an expandable container is cooled from 53.0 ∘C to 11.6 ∘C with the pressure held constant at 2.85×10^5 Pa . The total heat liberated by the gas is 2.65×10^4 J . Assume that the gas may be treated as ideal. Find the number of moles of gas.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
How can I solve this problem without being given the volume?
anonymous
  • anonymous
Use the formula \[PV=nRT\], where: n - number of moles P- Pressure in Pascals V - Volume in m^3 R - Ideal gas constant = 8.314 T - Temperature in Kelvin. \[n=\frac{ PV }{ RT }\] Onto conversion: 53.0-11.6=41.4C\[K=T+273=41.4+273=314.4K\] If you had volume (not sure if you are missing), you would simply substitute in the formula.

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