diff --git a/preliminaries/SIS_Problem_1_2_CHEG231_EMF.ipynb b/preliminaries/water_and_Hg_specific_vol_solved.ipynb
similarity index 100%
rename from preliminaries/SIS_Problem_1_2_CHEG231_EMF.ipynb
rename to preliminaries/water_and_Hg_specific_vol_solved.ipynb