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The ionisation potential of a hydrogen atom is -13.6 eV. What will be the energy of the atom corresponding to n= 2 . (1) -3.4 eV (2)-6.8 eV (3) -1.7 eV
The uncertainty in the position of a moving bullet of mass 10 gm is 10 -5 m . Calculate the uncertainty in its velocity: (1) 5.2 x 10 -28 / sec (
Q. The equilibrium cell potential of the galvanic cell is found to be E cell , eq = 1.410 V at 298.15K. The standard cell potential is E cell , eq = 1.360V. (a) Writ
Which of the following is not isoelectronic : (1) Na + (2) Mg 2+ (3) O 2- (4) Cl - Ans:(d)Cl -
I have a question on hydrophobicity. I have a product called Neverwet that creates a hydrophobic surface on stuff. There''s a base and top spray. The top spray thats mainly acetone
can dipole induce dipole forces present between non polar atom?
Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
When 100ml of M/10 h2so4 is mixed with 500 ml of M/10 naoh then nature of resulting solution and normality of excess of reatant left is 1)Acidic,N/5 2)basic ,N/5 3)Acidic,N/20 3)ac
at what temperature centigrade will the volume of a gas at 0 degrees Celsius double itself pressure remaining constant
what topic come under it to explain
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