Draw a sketch showing what osmotic pressure is. Label on the sketch solute, solvent, hypertonic, hypotonic and semi permeable membrane.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon