Penelitian ini bertujuan untuk mengetahui keterlaksanaan sintaks model pembelajaran inkuiri terbimbing, aktivitas siswa, peningkatan kemampuan analisis dan hasil belajar siswa melalui penerapan model pembelajaran inkuiri terbimbing pada sub materi faktor-faktor yang memengaruhi arah pergeseran kesetimbangan kimia. Metode penelitian ini menggunakan “One Group Pretest-Posttest Design” dengan sampel penelitian yaitu siswa dalam satu kelas yang berjumlah 35 siswa kelas XI MIA 8 di SMAN 8 Surabaya tanpa adanya kelas pembanding. Penelitian menunjukkan hasil sebagai berikut: (1) Keterlaksanaan sintaks model pembelajaran inkuiri memperoleh kualitas persentase keterlaksanaan rata-rata urut dari pertemuan pertama sampai pertemuan ketiga berturut-turut yaitu 90%, 87,5%, 90%, 90%, 92,5% 95%, 92,5%. Pertemuan 2 yaitu 95%, 92,5% 95%, 95%, 95%, 97,5%, 95% dan pertemuan 3 yaitu 100%, 95%, 97,5%, 97,5%, 97,5%, 97,5%, 100% dengan kategori sangat baik. (2) Aktivitas siswa selama proses pembelajaran memperoleh persentase aktivitasa siswa yang relevan lebih besar dibandingkan aktivitas peserta didik yang tidak relevan dengan persentase lebih dari 61% yaitu dengan memperoleh persentase rata-rata aktivitas yang relevan berturut-turut yaitu sebesar 98,33%, 98,89% dan 97,78%. (3) Peningkatan kemampuan analisis siswa dilihat dari nilai rata-rata pretest dan postest menggunakan N-gain termasuk dalam kategori tinggi pada ketiga komponen analisis berturut-turut yaitu 94%, 92%, 80% dan ketuntasan klasikal kemampuan analisis siswa sebesar 91%. (4) Hasil belajar ranah pengetahuan peserta didik kelas XI MIA 8 memperoleh nilai ≥ 75 dinyatakan tuntas dengan persentase ketuntasan klasikal sebesar 94%.

Kata kunci: Inkuiri Terbimbing, Kemampuan Analisis, Kesetimbangan Kimia.

This research aims to determine the implementation of the syntax of guided inquiry learning models, student activities, improvement of analytical skills and student learning outcomes through the application of guided inquiry learning models on sub material factors that influence the direction of the shift in chemical equilibrium. This research method uses "One Group Pretest-Posttest Design" with a research sample of students in a class of 35 students in class XI MIA 8 in SMAN 8 Surabaya without a comparison class. The study shows the following results: (1) The implementation of the inquiry learning syntax obtains the quality of the average percentage of the time spent from the first meeting to the third meeting in a row that is 90%, 87.5%, 90%, 90%, 92.5% 95%, 92.5%. Meeting 2 is 95%, 92.5% 95%, 95%, 95%, 97.5%, 95% and Meeting 3 is 100%, 95%, 97.5%, 97.5%, 97.5% , 97.5%, 100%. With a very good category. (2) Student activities during the learning process obtain a greater percentage of relevant student activities than irrelevant student activities with a percentage of more than 61%, namely by obtaining an average percentage of relevant activities in a row that is equal to 98.33%, 98 , 89% and 97.78%. (3) Improvement of students 'analytical skills seen from the average value of pretest and posttest using N-gain included in the high category in the three components of analysis in a row that is 94%, 92%, 80% and classical completeness of students' analytical skills by 91%. (4) The learning outcomes of the students of class XI MIA 8 get a score of ≥ 75 declared complete with a classical completeness percentage of 94%.

Keywords: Guided Inquiry, Analysis Skill, Equilibrium.