4 1. Which of the following statements are TRUE? Choose all that apply. I
(1 Point)
The molar mass of xenon is 54 g/mol..
1 atom of xenon (Xe) has a mass of 54 u..
The molar mass of xenon is 131.293 g/mol..
Single atoms of xenon will have, on average, a mass of 131.293 grams..
Single atoms of xenon will have, on average, a mass of 131.293 u.

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?