Physics

posted by .

Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.079 V. How much work is done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside?

__________ J

  • Physics -

    Work (in Joules) =
    (e, in Coulombs) x (voltage difference)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. PHYSICS

    SUPPOSE THAT THE ELECTRIC POTENTIAL OUTSIDE A LIVING CELL IS HIGHER THAN THAT INSIDE THE THE CELL BY .068 V. HOW MUCH WORK IS DONE BY THE ELECTRIC FORCE WHEN A SODIUM ION (CHARGE = e+) MOVES FROM THE OUTSIDE TO THE INSIDE?
  2. ap biology

    10 . Which one of the following statements is NOT true about the resting potential?
  3. physics 2

    The electric field across a cellular membrane is 1.0x10^7 N/C directed into the cell. What is the magnitude of the electric forse on the sodium ion flowing into the cell?
  4. physics

    Given that the electric potential is 7.0×10^−2 V higher outside the cell than inside the cell, and that the cell membrane is 0.10 thick, calculate the work that must be done (in joules) to move one sodium ion from inside the …
  5. Functions/Logarithims

    Energy is needed to transport a substance from outside a living cell to inside the cell. This energy is measured in kilo calories per gram molecule, and is given by E = 1.4 log (C1) / (C2 where C1 represents the concentration of the …
  6. Physics

    The electric potential inside a charged spherical conductor of radius R is given by V = kQ/R, and the potential outside is given by V = kQ/r. Using Er = -dV/dr, derive the electric field inside and outside this charge distribution.
  7. Physics

    In a typical living cell, the electric potential inside the cell is 0.070 V lower than the electric potential outside the cell. The thickness of the cell membrane is 0.10µm. What is the magnitude and direction of the electric field …
  8. Physics

    The voltage across the cell membrance is 0.070 V the cell membrane is 0.10 µm thick what is the work done in joules to move one sodium ion (charge= 1.6 x 10 ^-19 C) from inside the cell to outside the cell?
  9. Physics

    The voltage across the cell membrance is 0.070 V the cell membrane is 0.10 µm thick what is the work done in joules to move one sodium ion (charge= 1.6 x 10 ^-19 C) from inside the cell to outside the cell?
  10. PHYSICS

    Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.0928 V. How much work is done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside?

More Similar Questions