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Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is placed in a lead box with a small window in it. Any of the alpha particles which hit the inside of the box are simply stopped by the box. Only those particles which pass through the opening are allowed to escape, and they follow a straight line along with gold foil. Observations
Most of the alpha particles pass straight through the gold foil.
Conclusions
Rutherford's Experiment
A sample of caco3 and mgco3 weighing 192 g is ignite to constant weight of 10 g. calculate sample composition.
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nitration of give amines give ortho para and not meta isomer?
Q. Definition of Avogadros Hypothesis? Ans. Equal volumes of different gases at the same temperature and pressure contain the same number of molecules. At a given temperatu
Whereas a pure molecular species has a definite stoichiometry, this is not often true for solids. Defects in crystals will include vacancies (atoms missing from their expected site
Calculate the pH of 0.100 L of a buffer solution that is 0.22M in HF and 0.53M in NaF
Saytzeff rule
what is order of reaction
Q. Show the techniques of preservation? The various methods can be used for preservation of foods. Some of the common methods employed to preserve foods are summarized herew
Li(s)+n2(G)
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