Molluca Journal of Chemistry Education (MJoCE)最新文献

PENERAPAN MODEL PEMBELAJARAN COURSE REVIEW HORAY TERHADAP HASIL BELAJAR PADA MATERI STOIKIOMETRI ( TATA NAMA SENYAWA DAN PERSAMAAN REAKSI SEDERHANA ) UNTUK SISWA KELAS X MADRASAH ALIYAH MORELLA 对X学院学生ALIYAH MORELLA的字符集学习模式HORAY复读结果的应用

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2021-01-19 DOI: 10.30598/mjocevol11iss1pp46-54

N. Karepesina, Fitri Latukau

{"title":"PENERAPAN MODEL PEMBELAJARAN COURSE REVIEW HORAY TERHADAP HASIL BELAJAR PADA MATERI STOIKIOMETRI ( TATA NAMA SENYAWA DAN PERSAMAAN REAKSI SEDERHANA ) UNTUK SISWA KELAS X MADRASAH ALIYAH MORELLA","authors":"N. Karepesina, Fitri Latukau","doi":"10.30598/mjocevol11iss1pp46-54","DOIUrl":"https://doi.org/10.30598/mjocevol11iss1pp46-54","url":null,"abstract":"Penelitian ini berawal dari kenyataan di sekolah bahwa pembelajaran sering didominasikan oleh guru sebagai sumber informasi, sehingga secara tidak langsung guru dituntut untuk mengolah pembelajarannya dengan berbagai cara atau strategi. Salah satu strategi pembelajaran yang bias diterapkan oleh guru dalam mengolah pembelajarannya adalah dengan menerapkan model pembelajaran course review horay dengan menggunakan LKS dalam meningkatkan hasil bealajar siswa materi stoikiometri ( tata nama senyawa dan persamaan reaksi sederhana ) pada siswa kelas X MA Alhilaal Morella. \u0000Penelitian ini adalah penelitian deskriptif, teknik dalam penentuan sampel adalah purposive random sampling (sampel acak) sehingga yang menjadi sampel dalam penelitian adalah kelas Xa yang berjumlah 30 siswa. Pengumpulan data dalam penelitian ini adalah menggunakan tes hasil belajar berupa soal sebanyak 15 butir soal yang terbagi menjadi 10 butir soal pilihan ganda dan 5 butir soal esay. Teknik analisis hasil belajar yang dipakai adalah analisis deskriptif yang dilakukan dalam analisis hasil belajar dan dalam system penilaian, penelitian menggunakan system KKM. Dari data hasil penelitian yang diperoleh dapat disimpulkan bahwa dengan menggaplikasikan penerapan model pembelajaran course review horayterjadi peningkatan hasil belajar sebagai berikut : kualifikasi sangat baik sebesar 23% (7 siswa), kualifikasi baik sebesar 30 % (9 siswa), kualifikasi cukup sebesar 47 % (14 siswa), dan tidak ada siswa dengan kualifikasi kurang dan gagal, sehingga semua siswa dikatakan 100% tuntas.","PeriodicalId":19042,"journal":{"name":"Molluca Journal of Chemistry Education (MJoCE)","volume":"96 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90635067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

ANALISIS KADAR MERKURI (Hg) PADA BADAN AIR DI BEBERAPA TITIK SUNGAI WAIAPU KABUPATEN BURU

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-07-01 DOI: 10.30598/mjocevol9iss2pp116-122

A. Mariwy, Yati Tuasamu, Warinah Warinah

{"title":"ANALISIS KADAR MERKURI (Hg) PADA BADAN AIR DI BEBERAPA TITIK SUNGAI WAIAPU KABUPATEN BURU","authors":"A. Mariwy, Yati Tuasamu, Warinah Warinah","doi":"10.30598/mjocevol9iss2pp116-122","DOIUrl":"https://doi.org/10.30598/mjocevol9iss2pp116-122","url":null,"abstract":"Merkuri dan turunannya telah lama diketahui sangat beracun sehingga kehadirannya di lingkungan perairan dapat mengakibatkan kerugian pada manusia karena sifatnya yang mudah larut dan terikat dalam jaringan tubuh organisme air. Selain itu pencemaran merkuri mempunyai pengaruh terhadap ekosistem setempat yang disebabkan sifatnya yang stabil dalam sedimen, kelarutannya yang rendah dalam air dan kemudaahannya diserap dan terakumulasi dalam jaringan tubuh organisme air, baik melalui proses bioakumulasi maupun biomagnifikasi yaitu melalui rantai makanan. Penelitian ini dilakukan untuk menentukan kadar logam berat merkuri (Hg) pada badan air dari sungai Waiapu Pulau Buru. Hal ini sangat penting dilakukan karena selama ini sungai tersebut menjadi tempat pembuangan limbah sisa pengolahan emas secara tradisional menggunakan tromol.Tahap penelitan lapangan meliputi pengukuran parameter fisika dan kimia serta pengambilan sampel dilakukan pada bulan Juli 2015. Sampel air sungai kemudian dikirim ke Laboratorium Kimia Universitas Muhamadiyah Malang untuk pengukuran kadar merkuri menggunakan AAS dengan teknik kurva kalibrasi. Hasil penelitian menunjukkan bahwa kadar merkuri pada tiga lokasi sampel yaitu A B dan C masing-masing adalah: 1,392 ppm, 1,5912 ppm dan 3,1975 ppm telah melampaui standar yang ditetapkan oleh pemerintah melalui keputusan Menteri Lingkungan Hidup RI Nomor 115 tahun 2003 yaitu ambang batas merkuri (Hg) pada air golongan C adalah 0,002 ppm.","PeriodicalId":19042,"journal":{"name":"Molluca Journal of Chemistry Education (MJoCE)","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90455600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

ANALISIS KOMPONEN ASAM AMINO IKAN LAYANG DELES (Decapterus Makrosoma) HASIL OLAHAN TRADISIONAL BERDASARKAN LAMA PENYIMPANAN

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-07-01 DOI: 10.30598/mjocevol9iss2pp123-132

Vhindra Engson Lumamuly, Nikmans Hattu, S. Unwakoly

引用次数: 0

ANALISIS KOMPONEN ASAM LEMAK DAN MINERAL (Ca, Mg, Fe, Zn) IKAN KAKAP PUTIH (Lates calcalifer)

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-07-01 DOI: 10.30598/mjocevol9iss2pp109-115

Nazudin Nazudin, Hernina Wattimena

{"title":"ANALISIS KOMPONEN ASAM LEMAK DAN MINERAL (Ca, Mg, Fe, Zn) IKAN KAKAP PUTIH (Lates calcalifer)","authors":"Nazudin Nazudin, Hernina Wattimena","doi":"10.30598/mjocevol9iss2pp109-115","DOIUrl":"https://doi.org/10.30598/mjocevol9iss2pp109-115","url":null,"abstract":"ABSTRACT \u0000The analysis of fatty acid component and mineral composition (Ca, Mg, Fe, Zn) of white snapper fish (Lates calclifer) had been done. Flesh of white snapper fish (Lates calclifer) was extracted with petroleum benzene and obtained 6.06% of oil. Oil fish was transesterified by using BF3 – methanol 20%. The result of transesterification was analysed by using and GC-MC obtained nine fatty acid component, those were myristic acid methyl ester 5.94%; pentadecanoic acid methyl ester 1,58%; palmitoleic acid methyl ester 8.73; palmi acid methyl ester 17.69; \u0000Margarate acid methyl ester 1.96%; linoleic acid methyl ester 1.56%; oleic acid methyl ester 15.83%; streaic acid methyl ester 10.41%; aracidonic acid methyl ester 5.26%. the result of minerals composition analysis used atom absorption spectrophotometer (ASS) showed that the content of calcium (Ca), Magnesium (Mg), ferrum (Fe), zinc (Zn), were 51,1 mg/kg; 574 mg/kg; 65 mg/kg; and 10,8 mg/kg, respectively. Oil of white snapper fish (Lates calcalifer) contains esensial fatty acid that is benefit to humans body. In the another hand, it also contains mineral content which is enough that it is goof to be consumend by the people.","PeriodicalId":19042,"journal":{"name":"Molluca Journal of Chemistry Education (MJoCE)","volume":"153 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78706278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

KOMPARASI MEDIA PEMBELAJARAN KOKAMI DAN MEDIA ULAR TANGGA MENGGUNAKAN MODEL PEMBELAJARAN LANGSUNG PADA MATERI STRUKTUR ATOM TERHADAP HASIL BELAJAR SISWA KELAS X SMA NEGERI 5 AMBON 用原子结构材料的直接学习模式比较KOKAMI stumature和公立高中5班学生的学习结果

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-07-01 DOI: 10.30598/mjocevol9iss2pp70-77

Imarsih Ninkeula, Y. T. Filindity, Y. H. Dulanlebit

{"title":"KOMPARASI MEDIA PEMBELAJARAN KOKAMI DAN MEDIA ULAR TANGGA MENGGUNAKAN MODEL PEMBELAJARAN LANGSUNG PADA MATERI STRUKTUR ATOM TERHADAP HASIL BELAJAR SISWA KELAS X SMA NEGERI 5 AMBON","authors":"Imarsih Ninkeula, Y. T. Filindity, Y. H. Dulanlebit","doi":"10.30598/mjocevol9iss2pp70-77","DOIUrl":"https://doi.org/10.30598/mjocevol9iss2pp70-77","url":null,"abstract":"Comparative study of learning media of mysterious card box with the media of snake ladder on the material of atomic structure to the result of study of class X student of SMA N 5 AMBON. The mysterious card learning media box is applied to the X class MIA1 and the ladder snake media in the X class of MIA3. From the results, the mysterious card learning media box can improve student learning outcomes, seen from the presentation of the achievement of the final test results obtained by the two classes, where the two classes have a presentation of different final result qualification ie qualification completed for class X-MIA1 which uses the mysterious card box learning medium is 100%, and no qualifying fails with an average rating of 85.68. But for the class X-MIA3 using the learning media of snake ladder with qualified thoroughly is 51.51% and qualification failed 48.49% with an average value of 72.95, therefore Mann Whitney test results using SPSS 20 obtained a significance value of 0.002 (> 0.05 ) thus H0 is rejected and H1 is received so it can be concluded that there are differences in student learning outcomes using the mysterious box learning media and learning media snake ladder","PeriodicalId":19042,"journal":{"name":"Molluca Journal of Chemistry Education (MJoCE)","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87010386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

REMEDIASI ELEKTROKINETIK TERHADAP LOGAM-LOGAM BERAT MENGGUNAKAN ELEKTRODA 2-D HEXAGONAL PADA TANAH DARI TEMPAT PEMBUANGAN AKHIR (TPA) TOISAPU AMBON 对重金属的电动学修复使用了TOISAPU AMBON最终垃圾场的2-D hexagoal电极

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-07-01 DOI: 10.30598/mjocevol9iss2pp90-98

Noke Kesaulya, Y. T. Filindity

引用次数: 0

FITOREMEDIASI TANAH TERCEMAR LOGAM BERAT MERKURI (Hg) MENGGUNAKAN TUMBUHAN KERSEN (Muntingia Calabua L) DENGAN SISTEM REAKTOR

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-07-01 DOI: 10.30598/mjocevol9iss2pp78-89

Silvia M Borolla, A. Mariwy, J. Manuhutu

{"title":"FITOREMEDIASI TANAH TERCEMAR LOGAM BERAT MERKURI (Hg) MENGGUNAKAN TUMBUHAN KERSEN (Muntingia Calabua L) DENGAN SISTEM REAKTOR","authors":"Silvia M Borolla, A. Mariwy, J. Manuhutu","doi":"10.30598/mjocevol9iss2pp78-89","DOIUrl":"https://doi.org/10.30598/mjocevol9iss2pp78-89","url":null,"abstract":"Heavy metal pollution is a serious problem to environment in this time. Mercury is a dangerous wastes that make desecrate environment. So the restoration have to do to make a contaminated soil can reuse safety through fitoremediation process using Kersen. This study to analyze the reductions of heavy metal (Hg) in soil after fitoremediation process. The result of this study was showing that connections between degree reductions of heavy metal (Hg) in soil and adsorptions of Mercury (Hg) in Kersen that is concentration mercury in soil more high reductions than in the soil will following of higher Mercury concentrations in Kersen, in this study showing that adsorptions of Kersen in week – 1 after mercury treatment on a sample is in soil 6,80 ppm, root 1,14 ppm, leaf 0,86 ppm in week - 2 for soil sample is 7,31 ppm, root 3,73 ppm, leaf 4,64 ppm and for the last week in soil is 7,98 ppm, root 0,07ppm and leaf is 0,78 ppm. From that result showing Kersen (Muntingia Calabura L) is a accumulator plant and this plant can using for hyperaccumulation because the value of BCF and TF in day 14 or week – 2 is > 1.","PeriodicalId":19042,"journal":{"name":"Molluca Journal of Chemistry Education (MJoCE)","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85518938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

STUDI KINETIKA ADSORPSI ION Fe (III) MENGGUNAKAN LIMBAH AMPAS SAGU 离子Fe中的气体残留动力学研究

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-01-09 DOI: 10.30598/mjocevol9iss1pp9-17

Batseba Taihuttu, V. Kayadoe, A. Mariwy

引用次数: 2

UJI FITOKIMIA DAN AKTIVITAS ANTIOKSIDAN EKSTRAK BUAH DAN KULIT PISANG JARUM (Musa acuminata var. Jarum (AA Group)) 试剂、抗氧化剂活性和香蕉皮提取物(摩西acuminata var)

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-01-09 DOI: 10.30598/mjocevol9iss1pp60-69

F. A. Souhoka, Y. H. Dulanlebit, Ester M. C Tomasoa

引用次数: 0

PEMANFAATAN EKSTRAK DAUN KELOR (Moringa Oleifera, Lam) SEBAGAI ANTIOKSIDAN PADA MINYAK KELAPA 柳叶提取物用于棕榈油的抗氧化剂

Molluca Journal of Chemistry Education (MJoCE) Pub Date : 2019-01-09 DOI: 10.30598/mjocevol9iss1pp18-30

Livia Fransisca Tulus, Sunarty Sunarty, F. A. Souhoka

引用次数: 1