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For an electron if the uncertainty in velocity is Δ v , the uncertainty in its position( Δ x ) is given by:
(1) hm/ 4 Π Δ b
(2) 4 Π / hm Π v
(3) h/ 4 Π Π b
(4) 4 Π m / h Δ v
ans: h/ 4 Π Δ b
a nitrogen molecule travel at about 505 m/s at room temperature. find the velocity of a helium atom at the same temperature
Synethesis of alkanesa
Among the following which property is commonly exhibited by a covalent compound: (1) High solubility in water (2) High electrical conductance (3) Low boiling po
Q. How to calculate Percent Yield? Ans. When you make cookies the recipe may claim to make a certain number of them, but usually in the end there are less. There might be
#how do i know the factor of a compound when getting its equivalent weight?
We are asked to design a qualitative analysis scheme that can be used to determine which cations are present in a solution containing only four of the following cations: Pb2+, Ag+,
example of two component with different composition
what are uses of slag in blast furnace
Iodide ion is a good nucleophiles Because iodide ion is a good nucleophiles and the trimethyloxonium ion is an good alkylating agent, alkylation of the iodide ion occu
during the process of extraction of pure copper from copper pyrite,SiO2 acts as acidic flux which combines with iron oxide(FeO) to form iron silicate(FeSiO3). CuFeS2 + heat ---> Cu
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