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At 25°C the vapour pressure of pure pentane is 511 torr and that of hexane is 150. torr.
What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of 302 torr at 25°C?
What is the mole fraction of hexane in the vapour that is in equilibrium with this solution?
(Assume ideal gas behaviour.)
Problem- Write the oxidation half-reaction, the reduction half-reaction, and the balanced overall retain for Fe-Mn
Question- Using Statistical Thermodynamic equations, calculate the following thermodynamic properties: Energy, Enthalpy, Gibbs Free-Energy, and Entropy for HI at standard pressure (1 atm) and 25 degrees C. De=228kJ/mol
Each of the following statements about fructose is correct except one. Which statement is incorrect. a. Fructose is a stereoisomer of glucose.
Which member of each pair should have the higher melting point? Use intermolecular forces to explain why.a. CO2 or CCl4
Which one of these samples contains the smallest number of molecule A) 1.0L of H2 at STP(0c and 1atm) B) 1.0L of N2 at STP. C) 1.0 L of H2at 20 c and 760 torr. D) 1.0L of N2 at 0c and 800torr. E) 1.0 L of He at STP
How long will it take for 75% of nitrogen dioxide to decompose if the initial concentration of nitrogen dioxide is 1.33M
At 25 degrees celsius how many dissociated H+ ions are in 167 mL of an aqueous sloution whose ph=12.07? hint find concentration of H+
If a face centered cubic unit cell has a volume of 1.477 x 10 to the eighth power pm cubed and the ions at the corners touch the ions on the face, what must the ions radius
What physical property would the student measure to determine SN1 or Sn2 nature of the reaction. What would the student observe if the reaction proceded via SN1 reaction
A japanese car is advertised as having a gas mileage of 15 km/L. Convert this rating to miles per gallon.
If 10.3 mL of 0.100 N NaOH is used to bring 10.0 mL of juice to a pH of 8.20, what is the titratable acidity (g/L tartaric acid)? Assume tartaric acid is 75.0 eq/L.
Compare the electron-dot of CH4 and H2O. Why do these molecules have similar bond angels but different names for their shapes
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