SA Q 13 if the PH of a solution increase by 2 units
original hydroniumion concentration
I then the ratio of the new
i will be

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

The ammonia molecule in the diagram has the observed bond orientation because