Question 5 of 34 A solution of carbonic acid, H2CO3(aq), is at equilibrium. How would the system change if more carbonic acid were added to the solution? A. Less H+ and more HCO3- would be produced. B. More H+ and less HCO3- would be produced. C. Less H+ and HCO3- would be produced. D. More H+ and HCO3- would be produced.

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.