In which sample of water do the molecules have the highest average kinetic energy?
(1) 20. ml at 100.°c (3) 60. ml at 60.°c
(2) 40. ml at 80.°c (4) 80. ml at 40.°c

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What is a metal replacement reaction

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these