CREATE TABLE "table1_225198_3" (
  "state_class" text,
  "vacator" text,
  "reason_for_change" text,
  "successor" text,
  "date_of_successors_formal_installation" text
);

Question: Name the successor for james noble died in previous congress
SQL: SELECT "successor" FROM "table1_225198_3" WHERE "reason_for_change"='James Noble died in previous Congress';

Question: Name the state class for isaac d. barnard (j)
SQL: SELECT "state_class" FROM "table1_225198_3" WHERE "vacator"='Isaac D. Barnard (J)';