I need help with the problems $1,2,4,$ and $5.$

Directions: Additional information to complete these problems can be found in your Examination Booklet. Write all Engineering Notation to the tenth place only.

$--$Given Values$--$

Temperature $1$ in Celsius $=593$

Thickness of Palladium Sheet in $mm=3\mathrm{.}9$

Area of Palladium sheet $(m^2)=0\mathrm{.}16$

Thickness of Sheet of Steel $($mm$)=4\mathrm{.}66$

Diffusion Flux $(k\frac{g}{m^2-s})=4\mathrm{.}58E-07$

Temperature $2$ in Celsius $=1069$

Problem $1$: $$

Your Answer $=1\mathrm{.}43386E-2$ Incorrect.

Problem $2$:

at the high$-$ and low$-$pressure sides of the plates are $3\mathrm{.}3$ and $0\mathrm{.}64k\frac{g}{m^3}$ of hydrogen per cubic meter of palladium, and that steady$-$state conditions have been attained.$($Answer in Engineering Notation$)$

Your Answer $=0\mathrm{.}85226$ s

Incorrect.

Problem $3$:

Your Answer $=0$

orrect! Exact Answer $=0\mathrm{.}49\frac{+}{-}6\%$

Problem $4$:

Compute the diffusion coefficient $($diffusivity$)$ for the interstitial diffusion of carbon in alpha$-$iron $($BCC$)$ at Temperature $2$ shown above. $($Answer in Engineering Notation$)$

Your Answer $=1\mathrm{.}934E-$ Incorrect.

Problem $5$:

Compute the diffusion coefficients $($diffusivity$)$ for the interstitial diffusion of carbon in gamma$-$iron $($FCC$)$ at Temperature $2$ shown above. $($Answer in Engineering Notation$)$

Your Answer $=8\mathrm{.}169E-$

Incorrect.