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question

The vapor pressure of lithium is given in the form of the following equation: lnp° = [(- 3.29 × 10^4°R) / T] + 14.05 where p is in psi and T is °R. The equation is applicable over a range of temperatures from 2500 to 2900°F. If the density of liquid and vapor are 25.6lb_m/ft^3 and 0.092lb_m/ft^3, respectively, at 2700°F, calculate the latent heat of vaporization at that temperature in Btu/lb_m.

category

chemistry

options

  1. 8500 Btu/lb_m
  2. 7650 Btu/lb_m
  3. 8000 Btu/lb_m
  4. 7500 Btu/lb_m
  5. 8200 Btu/lb_m
  6. 8100 Btu/lb_m
  7. 7800 Btu/lb_m
  8. 8300 Btu/lb_m
  9. 7931 Btu/lb_m
  10. 7400 Btu/lb_m

src

stemez-PhysicalChemistry

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Official source

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