What is the change in enthalpy of the first reaction below, given the enthalpies of the other two reactions?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Is a chemical message sent by another individual.