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The average kinetic energy (in Joule) per molecule in 32g of methane at `127^oC` is
A. |
`6.21 xx 10^(-21)` |
B. |
`8.28 xx 10^(-21)` |
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C. |
`7.23 xx 10^(-21)` |
D. |
none |
K.E molecule `=3/2kT = 3/2xx1.38xx10^(-23)xx400J = 8.28xx10^(-21)` J / molecule