Calculate the activation energy, E a Ea , in kilojoules per mole for a reaction at 57.0 ∘ C 57.0 ∘C that has a rate constant of 0.235 s − 1 0.235 s−1 and a frequency factor of 3.41 × 10 11 s − 1 3.41×1011 s−1 .

Explanation:

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i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2