5. Red carbage contain a chemical called thatanthrocyanin changer color depending the acidity of its environment
In an acidic envernment it is reclish- pink, in a neutral
environment it is purple and in basic. Calkaline) environment
It turns bluish - green and even yellow, Explain the phenomenon.​

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.

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.