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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum?Solution) There is a formula for this i.e [ (n2-n1+1)(n2-n1) / 2 ] So if acc. to your question n1=1 and n2=4 then the answer is 6.
names of two reference electrodes
MOLE CONCEPT
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
Change the given molecule to a Newman Projection with the C2 carbon at the front and looking down the C2-C3 bonddraw all eclipsed and staggered conformations. Identify the interac
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Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2 (2) 1s 2 , 2s 2 , 2p 6 (3) 3d 10 4s 2 4p 2
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Explain the Liquid junctions? Some galvanic cells contain two electrolyte solutions with different compositions. These solutions must be separated by a porous barrier or some o
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