Answer and explain 22 through 30?

22 Which phrase describes the effect of adding a 27 Which statement describes the two types of catalyst to a chemical reaction in order to increase reactions that occur in operating electrochemical the reaction rate? cells? (1) provides a different reaction pathway with (1) Nonspontaneous reactions occur in voltaic a lower activation energy cells, and spontaneous reactions occur in (2) provides a different reaction pathway with electrolytic cells. a higher activation energy (2) Nonspontaneous reactions occur in (3) uses the same reaction pathway with a higher electrolytic cells, and nonspontaneous activation energy reactions occur in voltaic cells. (4) uses the same reaction pathway with a lower 3) Spontaneous reactions occur in voltaic cells, activation energy and nonspontaneous reactions occur in electrolytic cells. 23 Systems in nature tend to undergo changes (4) Spontaneous reactions occur in electrolytic cells, and spontaneous reactions occur in toward voltaic cells. (1) lower energy and less disorder (2) lower energy and greater disorder (3) higher energy and less disorder 28 Which term describes an acid according to one (4) higher energy and greater disorder acid-base theory? 1) H+ acceptor (3) H2 acceptor 2) H+ donor (4) H2 donor 24 Which element must be present in an organic compound? (1) carbon (3) nitrogen 29 Which emission will be released from an unstable (2) sulfur (4) oxygen Fe-53 nucleus? (1) an alpha particle (3) a positron (2) a beta particle 25 Which formula represents a saturated hydro- (4) a proton carbon? (1) C,H 2 (3) C6H10 30 What is a potential risk associated with radioactive (2) C2HA isotopes? (4) 6H14 (1) biological exposure (2) curing of diseases 26 Which reaction occurs at the anode in an electrochemical cell? (3) industrial measurements (4) tracing chemical processes (1) saponification (3) esterification (2) oxidation (4) reduction