how many grams of oxygen reacted with 50.7f of potassium? how many molecules of potassium oxide are formed?​

Draw metallic bonding if two copper

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

Which of the following molecules is polar? c3h7oh c2h5cooh