Matter & Purity
Periodic table & Atomic structure
Moles
Organic chem
Polymerisation
100
What is the process of converting a solid directly to a gas?
Sublimation
100
What are the 2 lines that are used to identify the location of an element?
Rows and Columns
100
What is the element that is the basis for measuring the relative atomic mass of other elements?
Carbon-12
100
What is the definition of hydrocarbon?
The molecule consists of hydrogen and carbon
100
Name the two types of polymers.
Addition and condensation polymers
200
How does the boiling point of an impure solution behave?
Different boiling points
200
What is the trait of a period?
Same atomic orbitals
200
What is the difference between empirical formula and molecular formula?
The empirical formula is the most basic formula of the molecule, and the molecular formula shows all the elements present in the molecule.
200
Name all 5 homologous series that we've learned
Alkane, Alkene, Alcohol, Carboxylic acid, ester
200
What is an organic polymer that is essential for our body?
--Saccharides, starch, protein, etc
300
How are the atoms of a metallic bond organised?
Positive metal ions are surrounded by delocalised electrons.
300
What element is the most reactive among this list?
(Carbon, Silver, Sodium, Iron, Potassium)
Potassium
300
Name the equation for calculating the mole of gases
n= V2/24
300
Name this molecule
2-2 dimethyl butane
300
What is the name of the bond that nylon and proteins share?
Amide bond
400
What is the process of separating colours?
Chromatography
400
Name 2 traits of alkali metals.
Very reactive (reacts strongly with water)
Very soft
Shiny
Silvery, etc
400
A molecule is composed of 38.7% carbon, 9.7% hydrogen, and 51.6% oxygen. If the molecular mass of this molecule is 62, write the molecular and empirical formula of this molecule.
Empirical: CH3O
Molecular: C2H6O2
400
Name this molecule
Methyl butanoate
400
Name and explain the process of extracting different fractions from crude oil.
Fractional distillation: different types of petrochemicals have different boiling points, so they collect in different fractional columns.
500
The process of extracting more volatile liquids from less volatile liquids
Fractional distillation
500
Order these elements from the most reactive to less reactive. (Fe, Pt, Pb, Ca)
Calcium, Iron, Lead, Platinum
500
One type of anaerobic respiration converts glucose, C6H12O6, to ethanol C2H5OH and carbon dioxide. If the molecular weight of glucose is 180grams/mol and the molar mass of ethanol is 50 g/mol, how many grams of carbon dioxide are produced when 1 mol of glucose is digested via respiration?
80 grams
500
Name the chemical equation of producing ethanol through the process of fermentation and the requirement needed for the reaction to take place.
C6H12O6 -> 2C2H5OH + 2CO2
The requirement for the reaction: yeast
500
State the most common type of hydrocarbon is natural gas and state the reason why the gas used in our homes smell, even though it is supposed to be odourless.
Butane, Ethanethiol