My brain has gone dead any help much appreciated!
1. An infinitesimal amount of time determined one did not leave first (5,6) S???? ???O?D
2. Mutiny is to be read in the version printed in the south (8) ?????I?N
3. Scots youngster (5) ??A?N
4. Southern entreaty provides a sprinkler (7) S?C????
5. Don't sharpen X or Z for the sweet stuff! (5) ??N?Y
6. How can a headless chauvinist survive? (5) ????T
7. Strenuous interrogation- regarding the fruits of university course number three? (5,6) T??R? ?E?R??
8. Large deciduous tree (5) ?????