9. Convert a measurement of 2.75 hours to seconds. Are the required conversion factors measured or exact quantities?

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Identify the electromagnets with poles that are reversed from the electromagnet shown above