100 brainliest if

which is usually associated with a faster reaction rate?
a. adding heat energy to the reactants
b. putting a glass cover over the reactants
c. using a solid with a low surface area in the reactants
d. decreasing the concentration of a solution of the reactants

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Calculate the concentration of all species in a 0.165 m solution of h2co3.