Aheterogeneous mixture is a

a. mixture that always contains water.
b. mixture in which its components retain their identity.
c. mixture in which its components can't be separated.
d. component added to sand that makes it inseparable.

What is a possible result of higher air temperature caused by global warming

Ways that industry and agriculture use physical properties to separate substances

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.