Related Questions

কক্ষ তাপমাত্রায় 1.0 mole এসিটিক এসিড এবং 1.0 mole ইথানলকে মিশ্রিত করা হলো। সাম্যবস্থায় 0.667 mole এসিটিক এসিড ক্রিয়ায় অংশগ্রহণ করলে তার ke এর মান 4.00 হয়। কত মোল এষ্টার উৎপাদিত হবে যদি একই তাপমাত্রায় 4.0 mole এসিড এবং 2.0 mole ইথানাল নেয়া হয়।
A 0.333
B 0.667
C 6.0
D 2.0
The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation
A Increases with pressure rise
B Decreases with increasing pressure
C Becomes zero at the critical point
D Both B & C
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
A Cracking
B Fractional distillation
C Full distillation
D Carbonisation
When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.
A Pool
B Nucleate
C Transition
D Film
Boiling point elevation for a strong and concentrated solution is found by Duhring's rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water.
A Boiling point
B Dynamic viscosity
C Kinematic viscosity
D Density
Point A is 10 miles West of Point B. Point b is 30 miles North of pint C. Point C is 20 miles East of Point D. What is the distance (in miles) between Point A and Point D?
A 1010
B 1020
C 2010
D 3010
Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?
A 1020Km
B 1010Km
C 2010Km
D 3010Km
Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole . °K
A 0
B ∞
C 50
D 100
Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).
A Entropy
B Internal energy
C Enthalpy
D Gibbs free energy
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.
A Molal
B Relative
C Percentage
D None of these

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