The following Chart gives a summary as to what Christ did for us on the cross, and what barriers His death, burial, and ressurection removed from between us and God the Father.
 

BARRIER OF SIN

IT'S SOLUTION BY CHRIST

SIN: ISA 64.6; JER 17.9; RO 3.23  PENALTY OF SIN: RO 5.12; 6.23  PHYSICAL BIRTH: GEN 2.17; RO 5.12; EPH 2.1  RELATIVE RIGHTEOUSNESS: ISA 64.6; RO 9.30-33  CHARACTER OF GOD: ISA 46.9; 64.6; 1 TI 6.16  POSITION IN ADAM: 1 CO 15.22

REDEMPTION:PSA 34.22; JO 8.31-36 GAL 3.13; EPH 1.7; 1 PE 1.18-19  UNLIMITED ATONEMENT: 2 CO 5.14; 5.15,19; 1 TI 2.6; 4.10; TIT 2.11 HEB 2.9; 2 PE 2.1; 1 JO 2.2  EXPIATION: PSA 22.1-6; EPH 2.15-16 COL 2.14  REGENERATION: JO 3.1-18  IMPUTATION: RO 3.22; 1 CO 1.30 CO 5.21; PHIL 3.9  JUSTIFICATION: RO 4.1-5; 5.1,9; 8.30; GAL 2.16; 3.11; TIT 3.7  PROPITIATION: RO 3.22-26; 1 JO 2.2 RO 8.8;  POSITION IN CHRIST: 1 CO 15.22; 2 CO 5.17; EPH .3-6