An atom 1. Does not have enough mass to from matter
2. Doesn't take up space
3. is made of compounds
4. is the smallest particle in all mater

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

What occurs when a cell engulfs large food particals

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.