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de-Broglie equation is:
(1) n γ= 2d sin θ
(2) E= hv
(3) E= mc2
(4) γ= h/ mv
Ans: γ= h/ mv
The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent a
laws of chemical combination on report
what are the different types of colloidal system?
#question.what is the diff b/w reso and mesomerism.
how to express nernst equation by daniel cell? as we have taken mass of subsstance insted of concentration
what is the cycle of caban dioxide and how it flow
reasons of failure
which one is more stable cis or trans
Modern Meaning of Organic Chemistry Organic chemistry is a chemistry of hydrocarbons and their derivatives where covalently bonded carbon is a necessary constituent. Berzelius
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