142) What property does a bonded material with an electron cloud not exhibit? a) Conductivity b) Heat conduction c) Toughness d) Ductility e) An opaque appearance 143) Which have equal and oppositely charged forces? A) Dipole B) metal C) van der waals D) hydrogen E) london 144) What is Frenkel error? A) atomic vacuum B) displaced ion C) intermediate atom D) ion pair spacing E) slip

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A: Determine the miller indices of the planes shown in the following unit cell.

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A:

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A: Disclaimer: Please upload only one question at one time.  Ionic bond  In this type of bond two ions…

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A:

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A:

Q: of Stanton numb- dtl númber (Pr) is Re) /Pr, b) St = Re ow heat exchange

A: introduction: here we solve only first three question:

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A: Given Figure

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A: Fick's second law in form of diffusion x2t=constant so x12t1=x22t22.5 mm28 h=4.5…

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.