Question

In the photosynthesis, green plants convert carbon dioxide and water into glucose ( C6H12O6) according to the following equation:

6 CO2(g) + 6 H2O(l) + 678 kcal= C6H12O6(aq) + 6 O2(g)

A. Is the reaction exothermic or endothermic?

B. What is the value of ∆H for the reaction?

C. Write the equations for the reverse of the reaction, including heat as a reactant or product.

Answer 1

A. Endothermic

B. ∆H= 6.78×10³J