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Define Colligative Properties of A Dilute Solution?
The colligative properties of a solution are usually considered to be:
1. Freezing-point depression: the decrease in the freezing point of the solution, com- pared to pure solvent at the same pressure.
2. Boiling-point elevation: the increase in the boiling point of a solution containing nonvolatile solutes, compared to pure solvent at the same pressure.
Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
Starch and its derivatives Starch is a white amorphous substance along with no taste or smell. While heated to a temperature among 200-250 o C it changes into dextrin. At large
Find the number of degrees of freedom? Consider a single-phase system that is a gaseous mixture of N 2 , H 2 , and NH 3 . For each of the following cases, find the number of de
Explain relative electronegativities An analysis of relative electronegativities would suggest that, because C is slightly more electronegative than H, a important amount of th
chemical properties of dihydrogen
When the azimuthal quantum number has a value of l=0 , the shape of the orbital is: (1) Rectangular (2)Spherical (3)Dumbbell (4)Unsymmetrical Ans: Spherical
Which of the following conduct electricity in the fused state: (1) BeCl 2 (2) MgCl 2 (3) SrCl 2
Q. Explain Valence Bond Theory? This concept starts with the assumption that the bond between the metal ion and the ligand is basically covalent in nature. In order to form a c
Diazomethane has the following composition by mass: 28.57% c ,4.80% h and 66.64% n . The molar mass of diazometane is 42.04 g/mol. Find the molecular formula of diazomethane and dr
Acetic Acid or Ethanoic Acid Acetic acid is the oldest termed as fatty acid. It is the major constituent of vinegar and therefore its name (Latin acetum = vinegar)
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