Saturday
May 18, 2013

Posts by martin


Total # Posts: 162

chemistry
Is 39.2 in KJ/mol? please help

science
please drwls, what is the answer of a and b

chemistry
50 g Si doped with 27g Sb

Chemistry
1KJ/mol=1.03*10^-2EV please somebody tell about b

Chemistry
somebody please tell the answer of b. I tried with all equation. D=D0e^-Ea/RT Created Eq.1 for 35+273K and Eq.2 for 45+273k i got Ea 1.55*10^4J/mol even after conversion with j/mol to EV not getting green check 1KJ/mol=1.03*10^-2 if some body got green check please suggest me.

Chemistry
what would be answer of b. would it be 45

Chemistry
someone please help regarding answer of a and b. 18 is not showing green check

Chemistry
rufus, please what is answer

Chemistry
chacho,could you please explain the answer when de broglie wavelength 0.468*10^-10m.

chemistry
1ev= 1.69*10^-19 J

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