Solutions with a low ph have which of these properties?

- have an - oh value
-feels slippery
-tastes sour
-turns litmus paper blue

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

Argon, neon, and xenon are examples of

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?