Related Questions

The heating of a gas at constant pressure is governed by
A Boyle's law
B Charle's law
C Gay-Lussac law
D Avogadro's law
Heating wet steam at constant temperature is heating it at constant
A Volume
B Pressure
C Entropy
D Enthalpy
STP-তে একটি আদর্শ গ্যাসকে প্রথমে তার প্রাথমিক আয়তনের এক-তৃতীয়াংশে সংকুচিত করা হয়, এবং তারপর প্রসারিত হতে দেওয়া হয় যতক্ষণ না তার চাপ প্রাথমিক চাপের অর্ধেক হয়। উভয় প্রক্রিয়ায় গ্যাসের তাপমাত্রা স্থির থাকে। যদি গ্যাসের প্রাথমিক অভ্যন্তরীণ শক্তি । হয়ে থাকে তাহলে এর চূড়ান্ত অভ্যন্তরীণ শক্তি কত? (An ideal gas at STP is first compressed to one-third of its initial volume and then allowed to expand until its pressure is half the initial pressure. The temperature of the gas remains constant during both the processes. If the initial internal energy of the gas is U, what is its final internal energy?)
A U/3
B U/2
C U
D 2U/3
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2
In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is
A More
B Less
C Same
D Unpredictable; depends on the particular reaction
If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant.
A True
B False
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.
A Change
B Do not change
C Both (A) and (B)
D None of these
Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are
A Always greater than one
B Same at the same reduced temperature
C Same at the same reduced pressure
D Both B & C
At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to
A Decrease in mean free path
B Increased collision rate among molecules
C Increase in molecular attraction
D Increase in average molecular speed
The universal gas constant (or molar constant) of a gas is the product of
A Molecular mass of the gas and the gas constant
B Atomic mass of the gas and the gas constant
C Molecular mass of the gas and the specific heat at constant pressure
D Molecular mass of the gas and the specific heat at constant volume

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