Vol. 14 No. 2 (2026): April 2026

Articles

• Cognitive and Emotional Engagement in Stoichiometry Learning: A Correlational Study

  Waviza, Erlina, Eni Mayasari

  237-244

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  DOI : https://doi.org/10.33394/hjkk.v14i2.19717
  Abstract View: 0 | PDF Download: 0

• CHEMLIT: Development and Feasibility of a Sensor-Based Chemistry Practicum Tool for Electrolyte Solutions

  Lorry Enjlina Br Surbakti, Maria Murniyanti Parhusip, Natasya Patulak, Septiany Ch. Palilingan, Stefan Marco Rumengan, Jakub Saddam Akbar

  DOI : https://doi.org/10.33394/hjkk.v14i2.19512
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• Development Local Culture-Based Science E-Supplements with “Gerakan Kebiasaan Anak Indonesia Hebat” on Additives Substance

  Dinno Afriza, Hairida, Eni Mayasari

  DOI : https://doi.org/10.33394/hjkk.v14i2.20327
  Abstract View: 0 |

• Quality Analysis of Virgin Coconut Oil Resulting From a Combination of Fermentation and Controlled Heating Using Silica by Rice Husk Ash

  Fahdila Rahmadani, La Harimu, Rahmanpiu

  DOI : https://doi.org/10.33394/hjkk.v14i2.20244
  Abstract View: 0 |

• Determination of Thorium Distribution Coefficient in Clay Soil From Bangka Belitung for Radioactive Waste Management

  Arya Diva Yana, Alizar Ulianas, Dadong Iskandar, Hary Sanjaya, Jon Efendi

  DOI : https://doi.org/10.33394/hjkk.v14i2.20366
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• Photocatalytic Degradation of Crystal Violet Using Cufe₂O₄ in a Heterogeneous Photo-Fenton System with Ascorbic Acid

  Apri Rahmanisa, Indang Dewata, Mawardi, Romy Dwipa Yamesa Away

  DOI : https://doi.org/10.33394/hjkk.v14i2.20190
  Abstract View: 0 |

• Promoting Multiple Representation in the TPACK Framework to Clarify the Acid-Base Species Problem-Solving

  Qonita Mu'minah, Sri Mulyani

  DOI : https://doi.org/10.33394/hjkk.v14i2.20178
  Abstract View: 0 |

• Development of Genially Based Learning Media based on Computational Chemistry on The Subject of Chemical Bonding of 11th Grade High School

  Devi Patricia Hutagalung, Dinda Suci Ramadhani, Asep Wahyu Nugraha

  DOI : https://doi.org/10.33394/hjkk.v14i2.19994
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• Development and Effectiveness of a Canva-Based Problem-Based Learning E-Module Using the 4D Model to Improve Students’ Understanding of Molecular Shapes

  Ester Ndruru, Nora Susanti, Jhonatan Ariski Lumbantobing

  DOI : https://doi.org/10.33394/hjkk.v14i2.19963
  Abstract View: 0 |

• The Impact of the Discovery Learning Model on Learning Outcomes in Basic Chemistry at SMAN 1 Sungayang

  Widia Rahmanda, Elvy Rahmi Mawarnis, Dwivelia Aftika Sari

  DOI : https://doi.org/10.33394/hjkk.v14i2.20584
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• Voltammetric Detection of Zn2+ Ions Using a Glassy Carbon Electrode Modified with Napa-Soil-Derived NiAl2O4

  Dhea Septiani, Mawardi, Indang Dewata, Umar Kalmar Nizar, Okta Suryani

  DOI : https://doi.org/10.33394/hjkk.v14i2.20367
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• Correlation between Metacognitive Awareness and Students’ Self-Efficacy in Chemistry Learning among Grade XII Students

  Mutiara Tsani, Erlina, Eni Mayasari

  DOI : https://doi.org/10.33394/hjkk.v14i2.19718
  Abstract View: 0 |

• Antibacterial Activity Test of Staphylococcus aureus from Henna Leaf Extract (Lawsonia inermis Linn)

  Laily Nurliana, Halimatussaddiyah Ritonga, Fatmawati, Rustam Musta

  DOI : https://doi.org/10.33394/hjkk.v14i2.20341
  Abstract View: 0 |

• Development of A Virtual Laboratory for Electrochem to Support Students' Critical Thinking Skills

  M Rizki, Rayandra Asyhar, Isra Miharti, Zurweni, Firdiawan Ekaputra

  DOI : https://doi.org/10.33394/hjkk.v14i2.19708
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• In Vitro Evaluation of the Anti-Diabetic Potential of Oxovanadium(IV) Complex with Terpyridine Ligand

  Fakhrotun Nisa, Djulia Onggo

  DOI : https://doi.org/10.33394/hjkk.v14i2.20322
  Abstract View: 0 |

• Theoretical Study of The Structure of Anthocyanin Dyes to Improve The Performance of Dye Sensitized Solar Cells (DSSCs)

  Imelda, Jusmarni, Hermansyah Aziz, Elvira Deswita

  DOI : https://doi.org/10.33394/hjkk.v14i2.18246
  Abstract View: 0 |

• Degradation of Methylene Blue by a Photo-Fenton System Based on Copper Ferrite Catalyst and Ascorbic Acid

  Adika Nuzula, Indang Dewata, Desy Kurniawati, Jon Effendi

  DOI : https://doi.org/10.33394/hjkk.v14i2.20202
  Abstract View: 0 |

• Quality Analysis Of Fermented Virgin Coconut Oil (VCO) By Purication Using Silica Slag Nickel By Filtration

  Nadyra Budiman, La Harimu, Rahmanpiu

  DOI : https://doi.org/10.33394/hjkk.v14i2.20189
  Abstract View: 0 |

• Effect of Genially-Based Computational Chemistry Media on Students’ Motivation and Learning Outcomes in Chemical Bonding

  Dinda Suci Ramadhani, Devi Patricia Hutagalung, Asep Wahyu Nugraha

  DOI : https://doi.org/10.33394/hjkk.v14i2.20048
  Abstract View: 0 |

• The Effect of Spiritually Integrated Chemistry Learning on Learning Outcomes Moderated by Spiritual Quotient (SQ) Levels

  Andini Zahra, Ayi Darmana, Denada Septiani Yesa

  DOI : https://doi.org/10.33394/hjkk.v14i2.19980
  Abstract View: 0 |

• Development, Validation, and Practicality of a Wordwall-Based Educational Game for Senior High School Acid-Base Learning

  Bunga Artika Sari, Elvy Rahmi Mawarnis, Dwivelia Aftika Sari

  DOI : https://doi.org/10.33394/hjkk.v14i2.20620
  Abstract View: 0 |

• Development of a STEM-Based Activity Sheet to Train Critical Thinking in Reaction Rates

  Ardianti Dwi Agustin, Bertha Yonata

  DOI : https://doi.org/10.33394/hjkk.v14i2.19898
  Abstract View: 0 |

• Effect of Operating Temperature on Marine Fuel Oil (MFO) Quality Parameters

  Nissa Atviona, Alizar Ulianas, Ihut Parulian

  DOI : https://doi.org/10.33394/hjkk.v14i2.20451
  Abstract View: 0 |

• The Effect of the Application of the Practicum Method on Student Learning Motivation on Reaction Rate Material

  Seto Hariono, Eny Enawaty, Rachmat Sahputra

  DOI : https://doi.org/10.33394/hjkk.v14i2.19750
  Abstract View: 0 |