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Determine the activation energy for diffusing copper into gold if you know that the diffusion coefficient is 3.98 x 10-13 m2/s at 980 degreeC and the diffusion coefficient is 3.55 x 10-16 m2/s at 650degreeC.
asked
Jul 8, 2020
Engineering
college
1
answer
1
vote
107k
views
Rock layers can be correlated to eachother using fossils. Please select the best answer from the choices provided T F
asked
Mar 22, 2020
Biology
middle-school
2
answers
1
vote
191k
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