Question 48 - Let a ^ 2 = a x a and a ^ 3 = a x a x a where ^ is power function. Niobium is a metal with a body-centered cubic structure. The length of the unit cell structure is b = 0.3349 nm. (a) Find the volume for a unit cell structure for niobium. (b) There are 2 atoms per unit cell structure of niobium. The metal has a molar mass of 92.9 g / mol. One mole of the metal consists of 6.02 x 10 ^ 23 atoms. Find the mass of niobium per unit cell and the density of niobium.

1 Answers  

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what r the question asked in interview of gate,is it related to course?

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Explain the working of a spray condenser?

0 Answers  

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Question 34 – In the distillation of binary systems by Mc Cabe Thiele method, the equation for the line of top section is given by y = [ R / (R + 1) ] x + XD / (R + 1). 2 points on the line are (0.99, 0.99) and (0, 0.36). Find the reflux ratio of R and XD.

1 Answers  

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What is the best way to configure a bypass line in slurry services?

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What is minimum fluidization velocity?

9 Answers   Haldia,

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how can I find out a sulfuric acid recovery plant disigner?

0 Answers   ONGC,

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Explain how can one estimate how the friction factor changes in heat exchanger tubes with a change in temperature?

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Any idea on recombinant protein expression?

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How to calculate the quantity of steam lost due to pinhole leak in a steam line of known pressure and line size?

1 Answers   CPCL,

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How are plate heat exchangers used in an ammonia refrigeration system?

1 Answers   HJ, Reliance,

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Your favourite area of interest

7 Answers   Ambuja, CPCL, Genpact, Lilliput,

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