Increasing the surfactant concentration above the critical micellar concentration will result in: Select one:
1.An increase in surface tension
2. A decrease in surface tension
3. No change in surface tension 4.None of the above​

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

Why do metals "give up" their valence electrons?