A plate moves south at a rate of 2 cm/year. How many meters south from its original location will the plate be in 4,000 years? Based on the graph, how many students in a class of 200 would be expected to choose pepperoni or hamburger as their favorite pizza

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.

може ли да зареждате повече информация, моля

you need to stop taking that class