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Svet_ta [14]
3 years ago
8

For the solidification of nickel, calculate the critical radius r* and the activation free energy ΔG* if nucleation is homogeneo

us. Values for the latent heat of fusion and surface free energy are –2.53 × 109J/m3and 0.255 J/m2, respectively. Be sure to use the appropriate supercooling value for Ni.
Engineering
1 answer:
Fantom [35]3 years ago
8 0

Answer:

????????????????

Explanation:

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To put out a class D metal fire, you must _______ the fire.
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To put out a class D metal fire, you must smother the fire and eliminate the oxygen element in the fire.

<h3>What is a Class D fire?</h3>

A class D fire is a type of fire that cannot be extinguished by water. This is because adding water to it reacts with other elements in the fire intensifying the fire even more.

Smothering in this context involves adding a solution like carbon dioxide (CO2) into the fire, this results in a reduction of oxygen in the atmosphere surrounding the class D fire.

By so doing, smothering the fire eliminates the oxygen element in the fire, thereby extinguishing the fire.

You can learn more about extinguishing fires here https://brainly.in/question/760550

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Design a sequential circuit DETECTOR that has one input X and one input Y. The DETECTOR detects the sequence 110. If an input X
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Answer:

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Harmonic excitation of motion is represent as
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Harmonic excitation refers to a sinusoidal external force of a certain frequency applied to a system. ... Resonance occurs when the external excitation has the same frequency as the natural frequency of the system. It leads to large displacements and can cause a system to exceed its elastic range and fail structurally.

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During his military campaign in what is now Germany, Julius Caesar lead his army of 40,000 soldiers to the western bank of the R
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