# Chemistry

## Airbags
- NaN3(Sodium Azide) explodes to release N2

## Perovskites
- solar panels

## Ethelen C2H6

## Teflon(PolyTetraFluoroEthelene(PTFE))
- -C2F4-
- is deemed toxic because of the usage of PerFluoroOctanicAcid(PFOA) in its
  manufacturing
  
## PFOA
```
  F  FF  FF  F O
   \/  \/  \/  ||
F  /\  /\  /\  /\
 \/  \/  \/  \/  OH
 /\  /\  /\  /\
F  FF  FF  FF  F
```

## N-Nitrosodimethylamine NDMA((CH3)2NNO)
- highly hepatotoxic and carcinogen
```
   N
\ / \\
 N   O
 |
```

## 3,4-Methylenedioxymethamphetamine(MDMA)
- ![Structure](images/chemistry.MDMA.svg)
- ecstasy: tablet form
- molly: crystal form
- its empathogen-enectogen(psychedelic that creates empathy)

## protein(20aminoAchidsChain)
carboxyl-c-amine
         |
      sideChain
- sidechain(20) determines amino acid
- peptidebond: formed by reaction between amine and carboxyl of another
  aminoAcid
- myoglobin protein structure won Kendrew 1962 nobel prize(chemistry)

## resin
- a viscous substance that solidifies when dried.

### water softner resin
- polystyrene-type Divinylbenzene(DVB) gel

## polystyrene
- ![structure](./images/chemistry.Polystyrene.svg)
- Thermocol made of ExpandedPolyStyrene(EPS)
- Disposable glassed, razors, cd casese are made of it

## PolyethyleneTetraphthalate(PET)
- ![structure](./images/chemistry.Polyethyleneterephthalate.svg)
- common thermoplastic resin of polyester family
- used for rigid packaging(PET bottles)

## styrene
- `C6H5CH=CH2`
- ![Structure](images/chemistry.Styrene.svg)
- sweet odour
- used in making of rubber
- resin of Liquidambar tree
## Vinyl group
- `-CH=CH2`(Ethelene - H)
- example PolyVinylChloride(PVC)

## alkene
- hydrocarbon containing double bond

## DiVinylBenzene
- C10H10 or C6H4(CH=CH)2
- ![](images/VertexMemory.png)

## thermite
- 2Al + Fe2O3(IronOxide) = Al2O3(AluminiumOxide(Alumina)) + 2Fe
- ignite with magnesium

## saxitoxin