In the preceding analysis, what assumption did you make about Q (energy flow from surroundings into the system due to a temperature difference)? Q was negligible because the process lasted only a short time. Q can be ignored because colliding objects never get hot. Q = ΔEthermal

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.

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.

Consider the lewis structure for ch4 methane is this molecule polar or nonpolar