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Marysya12 [62]
3 years ago
8

When an electric field is applied to a metallic crystal, the movement of electrons is _____

Chemistry
2 answers:
Soloha48 [4]3 years ago
8 0

random.

Hope this helps!

Anvisha [2.4K]3 years ago
4 0

Answer: directional

(i have to write something to make the character minimum. don't mind this.)

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Name a sensory organ, and briefly explain its function.
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The freezing point of a solution the freezing point of the pure solvent
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(a) Sketch, in a cubic unit cell, a [111] and a [112] lattice direction. (b) Use a trigonometric calculation to determine the an
fgiga [73]

Answer and Explanation:

a) The direction is shown in the cube diagram attached to this solution.

b) the angle between two planes (h₁, k₁, l₁) and (h₂, k₂, l₂) is given by the formula,

Cos Φ = (h₁h₂ + k₁k₂ + l₁)/√((h₁² + k₁² + l₁²)(h₂² + k₂² + l₂²))

For (111) and (112)

Cos Φ = (1.1 + 1.1 + 1.2)/√((1² + 1² + 1²)(1² + 1² + 2²))

Cos Φ = (1 + 1 + 2)/√((1+1+1)(1+1+4))

Cos Φ = 4/√(3×6)

Cos Φ = 4/√18

Φ = cos⁻¹ (4/√18) = 19.56°

c) equation 3.3 is missing from the question, I would be back to provide the answers to that as soon as the equation is provided!

Hope this Helps!!

7 0
3 years ago
Which of the following are considered pure substances?
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B.Elements

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