Most common acids are

a
strong electrolytes and insoluble salts.
b
weak electrolytes and amphoteric substances.
c
conjugate bases of strong electrolytes.
d
electron pair acceptors or proton donors.

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Which of the following words describe the reality that the universe looks the same from various perspective