Le Chateliers Principle Lab Complete Homework Help | Page 2

C.
Is this reaction endothermic or exothermic? How do you know?
Part II
In Part II the reaction you observed was HSO​ 4​ -​ (aq) + H2O (l)
H3O​ +​ (aq)+SO​ 4​ -
Compare the colors you observed in the experiment and answer these questions:
A.
Which way should the equilibrium shift when Na2SO4 is added? How do your results
support your answer?
B.
Which way should the equilibrium shift when NaHSO4 is added? How do your results
support your answer?
C.
Is this reaction endothermic or exothermic? How do you know?