Chicago is about 2,800 km from los angeles. about how long would it take a jet plane flying 800 km/h to fly from chicago to los angeles? a. 2.0 h b. 2.5 h c. 3.0 h

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.