A 25.0 mL sample of 0.150 M lactic acid is titrated with a 0.150 M NaOH solution. What is the pH at the equivalence point? The Ka of lactic acid is 1.4 ⋅⋅ 10-4.

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Consider this initial-rate data at a certain temperature for the reaction described by

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