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Constants PartA The ammonia molecule (NH3) has a dipole moment of 5.0 × 10-30C . m. Ammonia molecules in the gas phase are placed in a uniform electric field E with magnitude 2.0x106 N/C What is the change in electric potential energy when the dipole moment of a molecule changes its orientation with respect to E from parallel to perpendicular? Express your answer using two significant figures SubmitR uest Answer ▼ Part B At what absolute temperature T is the average translational kinetic energy kT of a molecule equal to the change in potential energy calculated in part (a)? (Note: Above this temperature, thermal agitation prevents the dipoles from aligning with the electric field.) Express your answer using two significant figures Submit Request Answer Provide Feedback Next >

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rM ipale Moment Potential nes E Col Coe 2:90 ( 5.oxlo知)(2.ox(o _ 2 wle 23 oule 2 Kel vin 2 3 k-2山 3 1.38 3 (1.38 xlo 4)

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