What is under the crust (structure of the earth)?
Inner crust
Inner core
Mantle
Magma
Alfred Wenegers theory suggests a supercontinent split , that supercontinent was called what?
Plangea
Pangeia
Pangaea
Pangea
The atmosphere consists of?
21% oxygen , 78% nitrogen and 1% 'other' gases (like CO2)
21% nitrogen, 78% oxygen and 1% 'other' gases (like CO2)
Acid has a pH of?
anything 0-6
7
anything 8-14
carbonate + acid ---->
water + salt
salt + water + hydrogen
salt + water + carbon dioxide
Metal carbonates break down through thermal decomposition
Hydrocarbons are ionically bonded
Carbohydrate:
C4 H6 04
C6 H12 O6
C12 H6 O12
C6 H4 O6
Alkanes are double bonded?
In an alkane, how many bonds must each carbon have?
2
3
4
5
Alkenes or akanes, saturated?
Alkene
Alkane
CnH2n , alkene or alkane?
C3H8 + 5O2 ----> 3CO2 + 4H2O , incomplete combustion?
Fractional distillation mixes different substances together bit by bit
