Fraksi-Fraksi Minyak Bumi

a. Pengolahan tahap pertma (primary processing)
*Gas ( < 40' C ) *Petroleum Eter ( 40'C - 70'C ) *Bensin / gasolin ( 40'C - 140'C ) *Nafta / bensin berat ( 140'C - 180'C ) *Kerosen / minyak tanah ( 180'C - 250'C ) *Solar / minyak diesel ( 250'C - 350'C ) *Residu ( 350'C > )
Fraksi residu ada 2 macam:
#minyak bisa menguap digunakan sebagai minyak pelumas,lilin,parafin,dan vaselin
#minyak tidak bisa menguap digunakan sebagai bahan aspal serta arang minyak bumi.

Lanjutan Tata Nama Senyawa Hidrokarbon

3.Alkuna
*deret homolog alkuna
-etuna
-propuna
-butuna
-pentuna
-heksuna
-heptuna
-oktuna
-nonuna
-dekuna

Tata Nama Senyawa Hidrokarbon

1. Alkana
*Deret homolog alkana
-metana
-etana
-propana
-butana
-pentana
-heksana
-heptana
-oktana
-nonana
-dekana


*Alkil
+alkana yang kehilangan 1 atom H disebut sebagai gugus alkil
-metil
-etil
-propil
-butil
-pentil/amil
-heksil
-heptil
-oktil
-nonil
-dekil

2.Alkena
*deret homolog alkena
-etana
-propena
-butena
-pentena
-heksena
-heptena
-oktena
-nonena
-dekena

Senyawa Hidrokarbon

Bedasarkan ikatan yang terdapat pada rantai karbon, hidrokarbon dibedakan atas
*Hidrokarbon jenuh
-hidrokarbon jenuh merupakan hidrokarbon yang semua rantai karbonya berikatan tunggal( alkana )
*Hidrokarbon tak jenuh
-hidrokarbon tak jenuh merupakan hidrokarbonnya yang pada rantai karbonya mengandung ikatan rangkap dua ( alkena ) atau tiga ( alkuna )

English is the World's most Important Language

_I personally think that English is the world's most important language. Why do Isay that?
*Firstly,English is an international language. It is spoken by many people all over world,either as first or second language.
*Secondly,English is also the kay to open doors of scientific and technical knowledge which is needed for the ecomomic and politics sevelopment of many countries in the world.
_Thirdly,English is a top reguirement of those seekking jobs. Applicabts who master either aclive or passive English

The Thirsty Crow

_On a hot day,a thirsty crow flew over a field looking for water. For along time,she could not find any. She felt very exhausted,almost giving up. Suddenly,she saw a water jug below her,she felt straight down to see if there was any water inside. It was a surprise because there was some water inside the jug!
_The crow tried to push her head into the jug. Sadly,she found that the neck of the jug was to narrow. Then,she tried to push the jug down for the water to flow out but she found that the jug was too h

How to Plant Green Bean Seeds

_Good morning my student. Do you know how to plant green bean seeds? All right, today i'm going to tell you about that. Then do you know what you need for that? Okay, let me start now.
_What you need are pot,soil,water,grean bean seeds. After you are ready what are you going to do? Look here.
*First of all,fill the pot with soil
*Secondly,level the soil neatly with your hand
*Thirdly,make three holes with your finger in the middle of the soil
*Then,place one bean seed in each hole
*Next,cover the gree

Hari yang Cerah untuk Jiwa yang Sepi

Hari yang Cerah untuk Jiwa yang Sepi

Setiap hidup pasti ada rintangannya,,
Kalau tidak mau ada rintangannya jadilah orang yang gila,,
Maka sebab itu marilah kita berjuang untuk semangat menjalani hidup ini karena hidup ini indah untuk kita jalani..
Bersama aku, kamu, kita bersama.