potassium, Chemistry

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what is potassium

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Expansion work, write the expression for the expansion work?

write the expression for the expansion work?

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Q. Illustrate Born-Haber cycle? Boron is always covalent and does not   form,B 3+ ions, because' the energy required to remove three electrons is very high.  Many simple compo

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Q. Describe about Coordination compounds? The complexes show a wide variety of physical and chemical properties which are quite different from normal salts. These differences

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Pig iron is cast iron with a very high carbon content: 4% by weight or more. Cast iron has at least 2% carbon by weight. Less than that, and it''s steel. Cast iron and pig iron are

Dyes, Conditions which a dye must satisfy and describe them

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Determine how many moles of compound of buffer solution, Assume that we wan...

Assume that we want to make buffer by dissolving in water some amount of the compound which we selected by the table as given below; After that adding either strong acid (f

Properties of picric acid, Properties of Picric Acid Picric Acid is a y...

Properties of Picric Acid Picric Acid is a yellow crystalline solid, melting point 122°C. Picric Acid is insoluble in cold water but soluble in hot water and in ether. It is ac

Explain electron affinity, Electron affinity : In a system of a neutral at...

Electron affinity : In a system of a neutral atom and an extra electron, when the additional electron is attracted from the infinity to the outer orbit of the neutral atom, the wo

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