Gabe amodeo, a nuclear physicist, needs 8080 liters of a 3030% acid solution. he currently has a 20 %20% solution and a 60 %60% solution. how many liters of each does he need to make the needed 8080 liters of 3030% acid 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

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

What is the molecular weight of copper