There us no sound in the vacuum of space why? answer all that are correct a)sound must travel through something that vibrates b)there is no energy in space c)there is no air to vibrate in the human eardrum

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.