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All Journal KATALIS: Jurnal Penelitian Kimia dan Pendidikan Kimia Radiant : Journal of Applied, Social, and Education Studies
Putri, Anisah
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Chemistry Computer Science & IT Education Languange, Linguistic, Communication & Media Social Sciences Other

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Pemodelan Isomerisasi Struktur Molekul C6H14 Melalui Studi Komputasi Yuniar, Yuniar; Simatupang, Eminari; Lumban Tobing, Sandro Freddy; Putri, Anisah; Marwati, Yumi
KATALIS: Jurnal Penelitian Kimia dan Pendidikan Kimia Vol 2 No 1 (2019): KATALIS: Jurnal Penelitian Kimia dan Pendidikan Kimia
Publisher : Universitas Samudra

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Abstract

Reaksi isomerisasi C6H14 merupakan reaksi yang sederhana. Reaksi tersebut banyak mengandung informasi fundamental dari aspek struktur, termokimia. Tujuan dari penelitian ini adalah mempelajari reaksi isomerisasi C6H14 dilihat dari aspek struktur dan termokimia, melalui studi komputasi. Studi komputasi ini menggunakan pendekatan teori DFT, fungsional B3LYP, dan basis set 3-21G. Hasil perhitungan komputasi menunjukkan bahwa struktur heksana (isomer C6H14) lebih stabil dibandingkan dengan struktur yang lainnya. Hal ini sesuai dengan nilai energi yang dihitung lebih rendah dari semua bentuk isomer yaitu -618439.278109 kJ/mol dan titik didih 68.7°C serta titik leleh -95°C. Sementara struktur yang paling tidak stabil adalah 2,2- dimetil butane dengan energi -613443.100345 kj/mol, titik didih 49.7°C serta titik leleh -98°C.
The Structure of Noun Phrases in Novel Synopsis by Jenny Han Putri, Anisah; Setia, Eddy; Nurlela, Nurlela
RADIANT: Journal of Applied, Social, and Education Studies Vol. 3 No. 3 (2022): RADIANT: Journal of Applied, Social, and Education Studies
Publisher : Politeknik Harapan Bangsa Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52187/rdt.v3i3.128

Abstract

This study aimed to find various forms of noun phrase structures and found the most dominant noun phrases used. To solving the problem, the researcher used Burton's theory. In addition, descriptive qualitative used by the researcher to analysing the data. This analysis used a tree diagram to see the detailed structure of the noun phrase used in the synopsis of the novel. The data used was a synopsis of novels written by Jenny Han, including, To All the Boys series and Summer I Turned Pretty series. This analysis found seven types of noun phrase structures consisting of Determiner + Head, Premodifier + Head, Head + Postmodifier, Determiner + Premodifier + Head, Determiner + Head + Postmodifier, Premodifier + Head + Postmodifier and Determiner + Premodifier + Head + Postmodifier. Last, the researcher found that the most used structure of noun phrases is Determiner + Head + Post modifier with 28%.
Co-Authors Eddy Setia Lumban Tobing, Sandro Freddy Marwati, Yumi Nurlela Nurlela Simatupang, Eminari Yuniar Yuniar