Adding energy or increasing the speed of the particles at very low pressure in a solid would cause
a) boiling.
b) condensation.
c) melting.
eliminate
d) sublimation.

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?