8158 20260725160859.0 POSTER-2026-0082 Hakim, Kaustubh The role of magma-atmosphere coupling and disequilibrium chemistry on the C/O ratio of sub-Neptunes 2026 2026-06-29 NO Exoplanets-6 Conference, Porto, Portugal kaustubh.hakim@ksb-orb.be CPOSTER