What is the ph of an aqueous solution at 25.0 °c that contains 3.98 ⋅ 10-9 m hydronium ion? what is the ph of an aqueous solution at 25.0 °c that contains 3.98 10-9 m hydronium ion? 5.600 9.000 8.400 7.000 3.980?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

This drawing shows a human body system. what is the primary function of this body system?