Infrared (IR) spectroscopy is used to identify functional groups within a molecule. a. True
b. False

Calculate the number of moles of ethane in 100 grams

Which metal exist in liquid state and can be cut with knife ?

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?