Atmospheric pressure to gas pressure in the apparatus

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SUMMARY

The discussion centers on calculating gas pressure in an apparatus given an atmospheric pressure of 745 mm Hg. The relevant equation used is P = H + G, where H represents the height of the liquid column and G represents the gas pressure. The user attempted to calculate the gas pressure as P = 102 + 0.98, resulting in P = 102.98. However, the lack of clarity regarding the apparatus and units prevents a definitive solution.

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  • Understanding of gas laws and pressure calculations
  • Familiarity with unit conversions, specifically mm Hg to atm
  • Knowledge of liquid column height and its effect on pressure
  • Basic algebra for solving equations
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Students in chemistry or physics, educators teaching gas laws, and anyone involved in laboratory experiments requiring pressure calculations.

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Homework Statement


If the atmospheric pressure is 745 mm Hg, what is the gas pressure in the apparatus in atm?
(Hint: the gas pressure is not equal to atmospheric pressure. Which is greater Pgas or Patm?)
Be careful with your units, 10.2 cm is equal to 102 mm



Homework Equations


P=H+G


The Attempt at a Solution


P=102+0.98
P=102.98
 
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We don't know the apparatus, we don't know what you add to what, we don't know the units. There is no way we can help or comment on the problem itself.
 

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