When both forward and reverse changes are physical changes, the resulting equation represents a
a. physical equilibrium
b. chemical equilibrium
c. reversible reaction
d. none of the above

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

How many moles are in 123.0 grams of kclo4?