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Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies the
Which of the following is an incorrect representation for a neutral atom: 108/47Ag 63/30Cu 30/15P 13/6C 6/3Li
FTIR instrumentation
Q. Define atomic mass units? Atomic mass Scientists have set up a standard for the measurement of atomic mass by assigning the carbon-12 atom a mass of 12 atomic mass units (a
The amino acid glutamine can be produced bythe following equilibrium in the presence of a suitable catalyst. The equilibrium constant for this reaction is 3.5 x 10-3 at 25 oC.
Ask question #The first-order rate constant for the decomposition of dimethyl ether is 3.2 ? 10 -4 s -1 at 450 o C. The reaction is carried in a constant volume flask. Initially on
i have very problem
list down all the chemical properties of s- block?
4. (a) Explain the concept of (i) intrinsic, (ii) n-type, and (iii) p-type semiconductors with the aid of bond diagrams and band diagrams. (b) What is a hole? Using a mathematic
eletronegativity
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