2) In an auto collision, inflated air bags protect the driver and front seat passenger because
A the molecules of nitrogen gas in the bag cause the driver and passenger to slow down more quickly than do the dashboard or steering
wheel
B В
the molecules of nitrogen gas in the bag exert a greater force on the driver and passenger than do the dashboard or steering wheel
C. the molecules of nitrogen gas in the bag can be compressed closer together than the molecules in the solid dashboard or steering wheel
D. the molecules of nitrogen gas in the bag are harder to compress together than the molecules in the solid dashboard or steering wheel

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?