Which postulate of the kinetic-molecular theory applies to the particles of a liquid? . a)they do not move freely but vibrate in a stationary position.. b)they can be compressed, which causes a large change in volume.. c)they have so much kinetic energy that their intermolecular forces are negligible.. d)they have enough kinetic energy to easily slide by each other.

The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.

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How many atoms of nitrogen are in the chemical formula ni(w on