Equilibrium and Energy
Relationships and Chemical Reactions
Intramolecular
Intermolecular
Solutions and Gases
100
Shows an exothermic reaction...
B
100
The mole relationship between N2 and H2.
N2 + 3H2 --> 2NH3
1:3
100
The ion charge for gallium (atomic number 31).
3+
100
The strongest of all intermolecular forces.
Hydrogen bonding
100
In a solution such as Mug Root Beer, sugar is the...
solute
200
Adding more HCl to the following chemical equation at equilibrium, will shift the reaction towards the...
HCl + Ca(OH)2 ⇋ CaCl2 + H2O + heat
products (right)
200
How many moles of Al2O3 are required to produce 12 moles of oxygen (O2)?
2Al2O3 --> 4Al + 3O2
8 moles of Al2O3
200
The formula for calcium nitride.
Ca3N2
200
A polar molecule must have _____ bonds and be _____ in shape.
polar, lopsided (asymetrical)
200
In a rigid container, the temperature of a gas is decreased. What happens to the pressure?
decreases
300
A catalyst _______ the rate of reaction by ________ the activation energy.
increases, decreasing
300
This is 2 types of reactions...
Zn + O2 --> ZnO
Synthesis (or combination, or composition)
and
Metal Oxidation
300
The name for P2O3
diphosphorus trioxide
300
Benzene does not dissolve in water, therefore benzene is ___________ .
nonpolar
300
25.0 mL of HCl is titrated with 32.6 mL of 0.50 M NaOH. What is the molarity of the HCl?
0.65 M HCl
400
decreasing the temperature to the following reaction that is at equilibrium will cause it to shift towards the...
CuSO4*H2O + heat ⇋ CuSO4 + H2O
reactants (left)
400
The coeffiecients for this reaction when it is balanced.
C3H6 + O2 --> CO2 + H2O
2, 9, 6, 6
2C3H6 + 9O2 --> 6CO2 + 6H2O
400
What is the shape of the following molecule?
Bent
400
The dominate intermolecular force in a container full of sulfur difluoride is...
dipole-dipole
400
A 4.0 liter balloon that starts at a temperature of 298 K. What temperature will it be at when the volume changes to 10.0 liters?
745 K
500
The type of reaction where the amount of energy needed break the reactant bonds is more than the energy released when the products are formed.
Endothermic reaction
500
How many grams of N2 are required to react with 15 moles of H2?
N2 + 3H2 --> 2NH3
140 grams of N2
500
What is the shape around the top right carbon in the caffeine molecule?
tetrahedral
500
In a container of CF4 gas, the dominate intermolecular force is...
dispersion
500
How many moles of oxygen are required to completely react with 56.7 L of hydrogen gas? The reaction proceeds at STP.
2H2 + O2 --> 2H2O
1.27 moles of O2