The critical point of carbon dioxide is 304 k and 73 atm. under which conditions is carbon dioxide a liquid? i. 303 k and 73 atm ii. 305 k and 74 atm (a) i only (b) ii only (c) both i and ii (d) neither i nor ii

List four observations that indicate that a chemical reaction may be taking place

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.