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An element with density 11.2 g cm^(-3) f...

An element with density `11.2 g cm^(-3)` forms a f. c. c. lattice with edge length of `4xx10^(-8)` cm. Calculate the atomic mass of the element. (Given : `N_(A)= 6.022xx10^(23) mol^(-1)`

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To calculate the atomic mass of the element with a given density and edge length of a face-centered cubic (FCC) lattice, we can use the formula for density: \[ \text{Density} = \frac{Z \times M}{V \times N_A} \] Where: - \( Z \) = number of atoms per unit cell (for FCC, \( Z = 4 \)) ...
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An element with density 11.2"g cm"^(-3) forms a fcc lattice with edge length of 4xx10^(-8) cm. Calculate the atomic mass of the element.

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An element of density 8.0 g/cm3 forms an FCC lattice with unit cell edge of 300 pm. Calculate the number of atoms present in 0.5kg of the element.

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-C.B.S.E. CLASS-XII
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  2. Which of the components of starch is water soluble ?

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  4. Calculatate the mass of compound (molar mass = 256 g mol^(-1) be the d...

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  5. Define an ideal solution and write one of its characteristics.

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  6. Write two differences between 'order of reaction' and 'molecularity of...

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  7. Outline the principples behind the refining of metals by the following...

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  8. Complete the following chemical equtions : (i) Ca(3)P(2)+H(2)O to ...

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  9. Arrange the following order of property indicated against each set : ...

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  11. (a) In reference to Freundlich adorption isotherm write the expression...

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  12. Draw the structures of the following molecules : (i) XeOF(4) ...

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  13. Account for the following : (i) PCl(5) is more covalent than PCl(3)...

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  14. The following data were obtained during the first order thermal decomp...

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  16. (i) Deficiency of which vitamin causes night-blindness ? (ii) Name t...

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  17. After the ban on plastic bags, students of one school decided to make ...

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  18. (A)Write the mechanism of the following raction : CH(3)CH(2)OH overs...

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  19. Given the structures of A, B and C in the following reactions : (i)...

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