an umbrella is placed in a drink holding a volume of punch equal to 7ML. The height of the punch rose to 10 ML. If the mass of umbrella was 27G what was its destiny

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this