1 of 190
Term
State the Ideal Gas Equation, what each symbol represents and the
units for each symbol. [9]
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Occur between any two molecules with dipole moments (not necessarily same
molecule)
The end of a molecule with a slight positive charge is attracted to the end of
another molecule with a slight negative charge.
, PV= nRT
where...
P= Pressure measured in Pa
V= Volume measured in m³
n= number of moles
R= The molar gas constant- 8.31JK^-1mol^-1
T= Temperatures measured in K
Mass: 1
Charge: 0
A reaction in equilibrium will act to oppose any change imposed upon it
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2 of 190
Term
Describe the shape of a molecule with 3 bonding pairs and 2 lone
pairs, and draw its structure, where both lone pairs are axial [3]
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Trigonal Planar
Square Planar Bond angle: 90°
Bond angle: 120°
Trigonal Pyramidal Bond angle: 107° Square Pyramidal Bond angle: 89°
, Don't know?
3 of 190
Term
Why do catalysts have no effect on the position of equilibrium [2]
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1. Catalysts increase the rate of
reaction of the forward and Sum of all oxidation states is equal to
reverse reactions the charge.
2. By an equal amount
- Brittle, shatter easily.
- As if the rows of ions slide past one
another and like charges are Held closer to the central atom.
adjacent, the two fragments repel
one another.
Don't know?
, 4 of 190
Term
Describe the shape of a molecule with 2 bonding pairs and 2 lone
pairs, and draw its structure. [3]
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V-shaped
Bond angle: 117.5°
-Same chemical properties. V-shaped
-As same electron configuration. Bond angle: 104.5°
Don't know?
5 of 190
Term
Give an example of an ionic crystal, and describe its structure. [3]
Give this one a try later!
Term
State the Ideal Gas Equation, what each symbol represents and the
units for each symbol. [9]
Give this one a try later!
Occur between any two molecules with dipole moments (not necessarily same
molecule)
The end of a molecule with a slight positive charge is attracted to the end of
another molecule with a slight negative charge.
, PV= nRT
where...
P= Pressure measured in Pa
V= Volume measured in m³
n= number of moles
R= The molar gas constant- 8.31JK^-1mol^-1
T= Temperatures measured in K
Mass: 1
Charge: 0
A reaction in equilibrium will act to oppose any change imposed upon it
Don't know?
2 of 190
Term
Describe the shape of a molecule with 3 bonding pairs and 2 lone
pairs, and draw its structure, where both lone pairs are axial [3]
Give this one a try later!
Trigonal Planar
Square Planar Bond angle: 90°
Bond angle: 120°
Trigonal Pyramidal Bond angle: 107° Square Pyramidal Bond angle: 89°
, Don't know?
3 of 190
Term
Why do catalysts have no effect on the position of equilibrium [2]
Give this one a try later!
1. Catalysts increase the rate of
reaction of the forward and Sum of all oxidation states is equal to
reverse reactions the charge.
2. By an equal amount
- Brittle, shatter easily.
- As if the rows of ions slide past one
another and like charges are Held closer to the central atom.
adjacent, the two fragments repel
one another.
Don't know?
, 4 of 190
Term
Describe the shape of a molecule with 2 bonding pairs and 2 lone
pairs, and draw its structure. [3]
Give this one a try later!
V-shaped
Bond angle: 117.5°
-Same chemical properties. V-shaped
-As same electron configuration. Bond angle: 104.5°
Don't know?
5 of 190
Term
Give an example of an ionic crystal, and describe its structure. [3]
Give this one a try later!
