By how much does the pressure of a gas in a rigid vessel decreases when the temperature is decreased by 1 degrees celsius? answer in a fraction.

How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt