Multiple Choice
The vapour pressure p of liquid diethyl ether, (C2H5) 2O, may be calculated for different temperatures T using the expression
Log (p/bar) =A-B/T
Where, for the temperature range 24 to 48 °C, A = 4.743 and B = 1466.30 K. What is the vapour pressure of liquid diethyl ether at 25 °C?
A) 1.01 bar
B) 4.74 bar
C) 0.175 bar
D) 0.668 bar
Correct Answer:

Verified
Correct Answer:
Verified
Q7: The normal boiling temperature of liquid bromine,
Q8: The molar Gibbs energy of tribromomethane, CHBr<sub>3</sub>,
Q9: Estimate the change in the normal boiling
Q10: The Henry's law constant for pentan-3-one, C<sub>2</sub>H<sub>5</sub>COC<sub>2</sub>H<sub>5</sub>,
Q11: The densities of white and red phosphorus
Q13: An ideal solution is prepared by mixing
Q14: Determine the molar Gibbs energy of mixing
Q15: The normal boiling temperature of benzene, C<sub>6</sub>H<sub>6</sub>,
Q16: Calculate the mass of sodium chloride, NaCl,
Q17: For the equilibrium<br>CaCO<sub>3</sub>(s) ∏ CaO(s) + CO<sub>2</sub>(g)<br>How