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Pennies made after 1982 are made of 97.5% zinc and 2.5% copper instead of 95% copper and 5% zinc. Pree 1982 pennies weighed 3.10g. The penny contained 2.95g of zinc and 0.15g of co
Two reactions have identical value of Ea. Does it the mean that they have same rate constant if run at the same temperature?Illustrate.
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
principles of GCMS
To calculate the e.m.f of the cell when does the nelsons equation is use? Ans) The Nernst equation is useful to measure the e.m.f of the cell when the concentrations of solution
occurrence of p block elements
Write essey on organic quantitative analysis
In naturally occuring neon, the fracional abundance of various isotopes is as follows: 20Ne =0.9051; 21Ne = 0.0027; 22Ne = 0.0922. What is the atomic mass of neon?
Q. What are boiler troubles? Discuss their consequences? Sol. Boiler feed water (water for steam making): water is very important engineering material which is mainly used fo
The S N 1 reaction is a substitution reaction in organic chemistry. "SN" place for nucleophilic substitution and the "1" shows the fact that the rate-determining step is unimole
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