Vapour Pressure of Liquid Solutions

Which of the given statements is correct with respect to a liquid?

The vapour pressure of ethanol is $115$ torr at $34.9°\mathrm{C}$. if ${\mathrm{\Delta H}}_{\mathrm{vap} }$ of ethanol is $38.6 \mathrm{kJ}/\mathrm{mol}$. Calculate the temp. $\left({}^{\circ }\mathrm{C}\right)$ when then vapour pressure is $760$ torr.

The vapour pressure of ethanol is $115 \mathrm{torr}$ at $34.9°\mathrm{C}$ if $∆{\mathrm{H}}_{\mathrm{vap}}$ of ethanol is $38.6 \mathrm{kJ}/\mathrm{mol}$. Calculate the temperature $\left(°\mathrm{C}\right)$ when the vapour pressure is $760 \mathrm{torr}$. [Use relation $\mathrm{T} \mathrm{K} ={\mathrm{t}}^{°}\mathrm{C}+273$]

If an aqueous solution of glucose is allowed to freeze, then crystals of which will be seperated out first?

An aqueous solution of methanol in water has vapour pressure

The vapour pressure of a dilute solution of a solute is not influenced by:

Assertion: When $\mathrm{NaCl}$ is added to water a depression in the freezing point is observed.
Reason: The lowering of the vapour pressure of a solution causes depression in the freezing point.

Which of the following solutions does not  show positive deviation? 

Which of the following aqueous solution has the highest freezing point?

What is the correct increasing order of vapour pressure of water, acetone and ether at a temperature of $30º\mathrm{C}$? Given that among these compounds, water has maximum boiling point and ether has minimum boiling point.

Who conducted the famous conformity experiments in the 1950s that demonstrated the influence of group pressure on individual behavior?

In which year did the Deccan Riots take place?

What is the primary purpose of the HVJ pipeline?

On reaching which place did Gandhi break the salt law?

The vapour pressure of pure benzene at $25°\mathrm{C}$ is 640 mm Hg and that of the solute A in benzene is 630 mm of Hg. The molality of solution is

The vapour pressure of water at $\mathrm{T} \left(\mathrm{K}\right)$ is $20 \mathrm{mm} \mathrm{Hg}$. The following solutions are prepared at $\mathrm{T} \left(\mathrm{K}\right)$
$\mathrm{I}. 6 \mathrm{g}$of urea (molecular weight $= 60$) is dissolved in $178.2 \mathrm{g}$ of water.
$\mathrm{II}. 0.01 \mathrm{mol}$ of glucose is dissolved in $179.82 \mathrm{g}$ of water.
$\mathrm{III}. 5.3 \mathrm{g}$ of $\mathrm{N}{\mathrm{a}}_2\mathrm{C}{\mathrm{O}}_3$ (molecular weight $= 106$) is dissolved in $179.1 \mathrm{g}$ of water.
Identify the correct order in which the vapour pressure of solutions increases

It is recommended that ammonia bottle should be opened after cooling in ice for some time because

Vapour pressure of a liquid increases with

A person living at high altitude region observed that cooking food without using pressure cooker takes more time. The reason for this observation is that

Which of the following statements is correct?