Number of electrons in -conh2 is, Number of electrons in -CONH 2   is: ...

Number of electrons in -CONH 2   is: (1) 22        (2) 24      (3) 20   (4)28 Ans:24

Determine the concentration of hydroxide ion in this buffer, In lab, buffer...

In lab, buffers solution based onto a 0.1 M solution of sodium phosphate at pH7.0.  Within this system, there are three of pK A s like:  12.7, 7.21 and 2.12. Determine the conce

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Law, law of crystallography

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Ionisation enthalphy, what is the relevance of half filled and completely f...

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Hardness, 1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)...

1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent a

Explain bond energy, The amount of energy released when one mole of bonds a...

The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.

Chemical combination, what is electrovalent bond

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Gustation - the sense of taste, Gustation - The Sense of Taste The word...

Gustation - The Sense of Taste The word ‘taste' means not only a sensory response to the soluble materials in the mouth but also aesthetic appreciation. It has been noted many

Salt analysis, what is the colour of the residue for nickel in charcoal cav...

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