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MMLU-Pro / 4332 / In a certain binary solution, the activity a_1 of component 1 is givenby the…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

In a certain binary solution, the activity a_1 of component 1 is givenby the equation Rlna_1 = Rlnx_1 + Ax_22+ Bx_2^3 wherex_1 and x_2 are the respective mole fractions and A and Bareconstants. Derive an expression for the ac-tivity of component2 given that the equation is valid over the entire concentrationrange from pure liquid 1 to pure liquid 2.

category

chemistry

options

  1. Rlna_2 = Rlnx_2 + A(2x_1^2) + Bx_2^3
  2. Rlna_2 = Rlnx_2 + Ax_1^2 + B[(3/2)x_1^2 - x_1^3]
  3. Rlna_2 = Rlnx_1 + Ax_1^2 + B[x_1^2 - x_1^3]
  4. Rlna_2 = Rlnx_1 + Ax_1^2 + B[(3/2)x_1^2 - x_1^3]
  5. Rlna_2 = Rlnx_2 + Ax_1^2 - B[(3/2)x_1^2 - x_1^3]
  6. Rlna_2 = Rlnx_2 + Ax_1^2 + B[x_1^2 - x_1^3]
  7. Rlna_2 = Rlnx_1 + A(2x_2^2) + B(2x_1^3)
  8. Rlna_2 = Rlnx_2 + Ax_2^2 + Bx_1^3
  9. Rlna_2 = Rlnx_2 + Ax_2^2 - Bx_2^3
  10. Rlna_2 = Rlnx_2 - Ax_1^2 + Bx_1^3

src

stemez-PhysicalChemistry

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Source and history

upstream_id / Original problem ID
4332
task_id
88e75ea0-ba04-5c3d-96f5-7a82228f427c
task_key
default--test--4332
task_revision_id
1
config / split
default / test

Official source

initial import