Which substance form homogeneous mixture when mixed with water

The wilson chamber is used to study: direction, speed, and distance of radioactivity the intensity of radiation the appearance of individual atoms all of the above

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar