Ankush
- Rate 113 GHS
- Response 1h
113 GHS/hr
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- Chemistry
- Natural Sciences
- Biochemistry
- Food chemistry
Think like a proton and stay positive! If u r not a part of solution u r a part of precipitate!
- Chemistry
- Natural Sciences
- Biochemistry
- Food chemistry
Lesson location
About Ankush
My specialisation is specialist & executive search in the chemical, food & pharmaceutical industries. I enjoy the creation of career paths for professionals with a degree in (bio)chemistry; chemical engineering or alike. Besides the obvious routes such as a career in science, engineering or management, I found that the career of someone with a background in chemistry can develop in truly surprising, exciting and different ways.
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About the lesson
- Primary school
- Junior high school
- SHS 1
- +14
levels :
Primary school
Junior high school
SHS 1
SHS 2
SHS 3
BTS
University education
Adult Education
Facultate (Licență)
Master's degree
Higher national diploma
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Other
GDL
Qualified Lawyer Transfer Scheme
MBA
Pre school
- English
All languages in which the lesson is available :
English
Typically, when something is cold, it shrinks. That’s because temperature describes atomic vibration — the more vibration, the more space it takes, hence expansion. Water is an exception. Even though it vibrates less when it’s frozen, the ice occupies more volume. That’s due to the strange shape of the water molecule.
If you remember your Chemistry 101, the water molecule looks like Mickey Mouse, the oxygen atom sitting at the center (the face) and two hydrogen atoms each at an angle (Mickey’s ears). Because of how oxygen and hydrogen bond, the water molecule is an open structure with a lot of space. When water freezes it releases energy because a lot of extra strong bonds can be made. But it does take up more space. And so, ice expands when it freezes. Another interesting fact worth mentioning is that hot water freezes faster than cold water.
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Rates
Rate
- 113 GHS
Pack prices
- 5h: 565 GHS
- 10h: 1130 GHS
online
- GHS113/h
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