Calculate the molarity of a solution that contains 5 mol of Li2O in 2.35 L of
solution.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius