The phase changes of many substances are reversible, and a phase change, just like a chemical reaction, may reach providing it takes place in a(n) system.

The solubility product of ag2cros is 9.0 x 10 . explain the difference between the equilibrium position attained when silver chromate is added to pure water and when it is added to 0.100 m agno3 12

Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.