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According to Bohr's principle, the relation between principle quantum number and radius of orbit is:
(1) r ∞ n
(2) r ∞ n2
(3) ∞1/n
(4) r∞ 1/ n2
Ans: r ∞ n2
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
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comprision between velocity constant constant
Q. What are the uses of Oxygen? Oxygen is essential for life. Most life processes are based on oxidative metabolism: While the terrestrial beings take up oxygen through respira
What is Frenkel defect A pair of one cation and one anion can be missing from an ionic crystal as shown in the following figure. Such a pair of vacant sites is called Schottky
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Calculate the amount of heat required to raise the temperature of an 58 sample of water from 34c to 64c. Express your answer using two significant figures
The difference among Threshold energy and average energy of the molecules is known as activation energy.
#question.why basic radicals are arranged in different groups.
#sulphuric acid can be made with concentration of 99%.however for diferent industrial requirement ,62% h2so4 is used which has density of 1.55 g/ml.calculate the molarity,molality
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