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Riana Lilis Widyawati, S.Pd., M.Sc

Artikel & Bahan Ajar

Pendidikan terakhir S2
di Universitas Gadjah Mada
Saat ini mengajar mata pelajaran KIMIA
Hubungi by email: rianaliliswidyawati@shaftasby.sch.id
Redox-Reactions-1
KONSEP REAKSI REDOKS
10 August 2026
Vector chemical illustration of hydrogen bond or H-bond on water molecule isoated on a white background. Dipol-dipol force of attraction, interaction between a hydrogen atom and atoms with high electronegativity having a high electron affinity such as oxygen, nitrogen, fluorine.
Kepolaran dan Gaya Antarmolekul
6 August 2026
Ionic vs Covalent Bonds. In an ionic bond, an electron is donated. In a covalent bond, the electron is shared. Examples of compounds with ionic bonds with table salt (NaCl), and covalent bonds with water molecule (H2O).
IKATAN KIMIA
4 August 2026
Osmotic-Pressure
Sifat Koligatif Larutan
22 July 2026
Hydrocarbon Molecules Set, a collection of vector icons illustration.
HIDROKARBON
17 June 2026
12224577_f520
KONSEP MOL
18 May 2026
Solubility vector illustration. Labeled educational solute, solvent and solution scheme. Chemistry and physics experimental substance forms diagram from dissolved to unstable crystals state reactions.
Kelarutan (s) dan Hasil Kali Kelarutan (Ksp)
11 May 2026
Mechanism-Buffer-Solution
Larutan Penyangga (Buffer) dan Titrasi Asam-Basa
4 May 2026
istockphoto-496442732-612x612
Metode Ilmiah dan Keselamatan Kerja di Laboratorium
15 April 2026
2014812-14426849-659-nacl_inwater
HIDROLISIS GARAM
2 March 2026