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The equation Δ x Δp ≥ h/ 4Π shows:
(1) de-Broglie relation
(2) Heisenberg's uncertainty principle
(3) Aufbau principle
(4) Hund's rule
ans: Heisenberg's uncertainty principle
Equivalent Weight
Q. What are the physical properties of solids? Ans. Most solids eventually melt when heated. This is because the particles gain enough energy to exceed the attractive for
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A solution contains an unknown amount of osmium at the µg/g level, or below. Chemically pure osmium (Os) may be separated from the solution, but the chemical yields are variable an
explain the notion of environmental analytical chemistry
Bond strength in hydrocarbons As much shorter is the bond size, the greater is the compression among molecules atomic nuclei and therefore greater is the strength of that bond.
Name the principal ore of tin or lead. Describe the different steps (along with equationsfor the reactions) involved in the extraction of the metal from the ore named. Name
A first order reaction takes 69.3 minutes for 50% completion. Set up an equation for determining the time needed for 80% completion of this reaction.
State the term - Ferrites Ferrites are used as ferromagnetic materials for high frequency applications like TV tubes, memory devices, high-speed switches, microwave application
Q. Use of Reactants in Excess? Ans. Consider a recipe for pancakes that calls for 2 cups of pancake batter mix and 1 cup of water. The result of this recipe is 14 pancakes
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