Question

How do I determine whether the reaction is exothermic or endothermic based on the color change?

Question: Use your results to determine if the forward reaction in the potassium chromate/HCl reaction endothermic or exothermic. Explain your answer, using Table 1 to help construct your thoughts.

Data Table 1. Chromate-Dichromate.
Color of Chromate Color of Dichromate Number of drops of NaOH to shift chemical system
Yellow Orange 13