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Energy difference is maximum between which of the consecutive energy levels in an atom? Ans) According to the line spectrum of hydrogen maximum energy is there between FIRST AND
Write the chemical equation for the entire combustion of heptane, C 7 H 16 . The heat of combustion for heptane is 4817 kJ/mol. How much heat could be released if 250 kg of hept
importance Of absorption and émission
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
The atomic number of an element having the valency shell electronic configuration 4s 2 4p 6 is: (1) 35 (2) 36 (3) 37 (4) 38 Ans: 35
What is purity criteria.
Types of power sources - atomic emission spectrometry: Three types of power sources have been employed in argon plasma spectroscopy accordingly; there are three different kind
Positronium consists of an electron and a positron (a particle which has the same mass as an electron, but opposite charge) orbiting round their common centre of mass. Calculate th
Explain the Liquid Water aspect of using phase rule? For a single phase of pure water, P equals 1. If we treat the water as the single species H 2 O, s is 1 and r is 0. The pha
The reaction A ? B + C is known to be zero order in A and to have a rate constant of 5.0 x 10-2 mol/L·s at 25 oC. An experiment was run at 25 oC where [A]0 = 1.0 x 10-3 M. a)
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