When trying officials who have been impeached by the house of representatives,

The Senate becomes jury and judge, except in the case of presidential impeachment trials when the chief justice of the United States presides. The USA federal Constitution requires 75% vote of the Senate to convict, the penalty is removal from office and disqualification to hold any future office in the future and mostly both.  There is no appeal

3is faulse becaues the big so that wpuld mean thtmat they are farther apart.