22. Which one of the following processes has a negative value for AH°? (a) CO2(s) + CO2(g)
(b) C(s) + O2(g) + CO2(g)
(c) 2H2O(1) 2H2(g) + O2(g)
(d) H2O(l) → H2O(g)

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.

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

Which of the following units is not an official si unit? mole liter kilogram ampere