What is the average atomic mass of the element with the following isotope composition? Enter your answer like this 123.40amu, rounding to two
decimal places with amu

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?

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206

What is happening when the water inside a kettle heats up and begins to boil