System, Surroundings, Intensive, Extensive Properties
Trending Questions
Q.
What is the mass percentage of carbon in urea [CO(NH2)2]? (Molar mass of urea is 60g)
32%
21%
20%
2%
Q. What is molality of pure water??
Q.
Which of the following sets of properties constitute intensive properties?
temperature, pressure and volume
mass, density and volume
density, pressure and temperature
internal energy, density and pressure
Q. Which of the following is true for a closed system?
- Mass entering = Mass leaving
- Mass does not enter or leave the system
- Mass entering can be more or less than the mass leaving
- None of the above
Q. Assertion: In an isolated system, the entropy increases.Reason: the processes in an isolated system are adiabatic.
Q. Out of specific volume (I) , volume (II), enthalpy (III) and internal energy (IV), the extensive properties are:
- I, II
- I, II, III
- II, III, IV
- All of these
Q. which substance has the strongest London dispersion forces?} h20 h2 h2Se or h2Te h2te
Q. Which of the following is/are intensive property/properties?
- Temperature
- Viscosity
- Density
- All of the above
Q. In a chemical equilibrium K_p= K_c is valid if 1)△ n_{g }=0 2) T= 12.18K 3)△ n_gis not equal to zero , T>12.18K 4)Botg (1) and (2
Q. Which among the following is an intensive property?
- Mass
- Volume
- Surface tension
- enthalpy
Q. all electrolytic cell are electrochemical cell but all electrochemical cell are not electrolytic cell
is this statement true or false
if true , how
proove it??
Q. How chemical equilibrium is attained?
Q.
A system which exchanges only energy but not matter with the surroundings is called as a closed system.
True
False
Q. 18. In the graphical representation of equilibrium state there was a point where the slope of the product & reactant met each other.Why that point is not considered as the equilibrium point?
Q. why it is said that boiling of a liquid occurs at the temperature at which its vapour pressure becomes equal to the atmospheric pressure ?
Q. Which of the following is an example of an open system?
- human body
- the earth
- pond
- All of the above.
Q. if l=n+1 and one spin has 3electron then find the maximum no. of element that can be accomodated in first perio
Q. 47. The unsaturation index of the compound C50H91N3 is Options: 2 6 7 5 solve by making diagram of compound
Q. SHOW THE DIPOLE MOMENT OF XEF4 MOLECULE HAVING A SQUARE PLANAR GEOMETRY WHY IS THE DIPOLE MOMENT 0
Q. Identify the pair of intensive properties among the following.
- Temperature and moles
- Mass and volume
- Temperature and density
- Pressure and weight
Q. Which of the following is zero for an isochoric processs?
- dP
- dV
- dT
- dE
Q. Of the following molecules, the one, which has permanent dipole moment, is:
(1) SiF4 (2) BF3 (3) PF3 (4) PF5
(1) SiF4 (2) BF3 (3) PF3 (4) PF5
Q.
A system is any specified portion of matter which is separated from the rest of the universe with a definite boundary. (T/F)
True
False
Q. If a reaction has del G= -ve then reaction will be feasible, exothermic, spontaneous?. A reaction having del G =+ ve means it is thermodynamically impossible so it will not occur? Am I right
Q. Identify the intensive quantity from the following
- Enthalpy and temperature
- Volume and temperature
- Enthalpy and volume
- Temperature and refractive index
Q. Water contained in a
- closed system
- open system
- isolated system
Q. compare the dipole moment of PCl5 and PF3Cl2
Q. When 50 cc of a strong acid neutralizes 50 cc of a strong base, the temperature rises by 5∘C. Calculate the rise in temperature if 250 cc of each liquid having the same concentration are mixed with one another.
- 25∘C
- 5∘C
- 20∘C
- 10∘C
Q. Identify the intensive quantities from the following.
- Enthalpy
- Temperature
- Volume
- Refractive index