Phosphoric acid is a triprotic acid, ionizing in the following sequential steps:. H3PO4 H2O H2PO4 - H3O Ka 1
H2PO4 - H2O HPO4 2- H3O Ka2
HPO4 2- H2O PO4 3- H3O Ka3
What is the Kb expression for the base, sodium phosphate?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules