consider a solution consisting of the following two buffer systems: h2co3 hco3– + h + pka = 6.4 h2po4– hpo42– + h + pka = 7.2 at ph 6.6, which one of the following is true of the relative amounts of acid and conjugate base present?

Break down of rocks and minerals into smaller particles without a change in composition is called_

Why do businesses rely more on teamwork in today’s business environment? a. teams need fewer instructions. b. teams facilitate learning. c. teams create a harmonious environment at the workplace. d. the team’s collective output is greater than the total of each individual’s output. e. teams require lesser supervision

Of the population of the united states is obese. a. 10% b. 25% c. 33% d. 50% select the best answer from the choices provided. a b c d