Direct isotope dilution analysis (DIDA), A solution contains an unknown amo...

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

Covalent bonding, what is covalent bond and its types?

what is covalent bond and its types?

Chemistry - titrations and ph, 1) A 100 mL 0.4M acetic acid soln is titrate...

1) A 100 mL 0.4M acetic acid soln is titrated with 0.5M NaOH. Write a reaction equation to work the following: a) What volume of the base would be required to reach the equivalenc

Soaps, why do soap not work in hard water ?

why do soap not work in hard water ?

Then total possible number of subshells would be, If n+l= 6  , then total p...

If n+l= 6  , then total possible number of subshells would be: (1) 3        (2) 4        (3) 2       (4) 5 Ans:  3

Uses of BHC,

Does ph affect the enzyme activity, The concentration of hydrogen ions in s...

The concentration of hydrogen ions in solution affects the enzyme activity. Every enzyme has maximal efficiency under an optimum pH. As pH is one of the factors for the denatura

Kinetic theory of gases, The kinetic theory of gases:   The gas laws w...

The kinetic theory of gases:   The gas laws were empirically developed from experimental observations. The kinetic theory of gases assumes that the molecules or atoms of a gas

Physical quantities, the simplest forms of physical quantities

the simplest forms of physical quantities

Mole concept, 0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO...

0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??