Which is a measurement of distance that is used around the world?

30 miles

500 meters

16 kilograms

24 feet

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

How many moles of al3+ ions are in 1.25 moles of al2o3

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j