Can someone me calculate the ph and poh of

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?