Write a conversion factor that could be used to convert between moles of chlorine and moles of potassium chloride.

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?

Can someone me with 6 to 10 plz this is for masteries test.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years