Which compound forms an acidic solution when dissolved in water nh4cl nacl kno2?

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same