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LenKa [72]
3 years ago
12

Activity: Lab safety and Equipment Puzzle

Physics
1 answer:
koban [17]3 years ago
5 0

Answer:

number 2 down is: safetygoggles

Explanation:

no space

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It is known that the kinetics of recrystallization for some alloy obeys the Avrami equation, andthat the value of n in the expon
trapecia [35]

Answer:8.76\times 10^{-3} min^{-1}

Explanation:

Given

n=5

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where y=fraction Transformed

k=constant

t=time

0.3=1-e^{-k(100)^5}

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-k\cdot (10^{10}=\ln 0.7

k=3.566\times 10^{-11}

At this Point we want to compute t_{0.5}\ i.e.\ y=0.5

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0.5=e^{-kt^n}

0.5=e^{-3.566\times 10^{-11}\cdot (t)^5}

taking log both sides

\ln 0.5=-3.566\times 10^{-11}\cdot (t)^5

t^5=1.943\times 10^{10}

t=114.2 min

Rate of Re crystallization at this temperature

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