Q4 MOD 2 ACTVITY 1 CHEMICAL EQUILIBRIUM
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- Q1
2A + 3B <----> 2AB
The forward reaction forms the substance __________.
A
A+B
B
AB
30sSTEM_GC11CEIVb-e-145 - Q2
At what time the reaction reached equilibrium?
t4
t2
t1
t3
30sSTEM_GC11CEIVb-e-145 - Q3
Identify the labels (a) and (b) on the graph.
a is concentration of product and b is the concentration of reactant
a the mass of reactants and b is the mass of product
a is concentration of reactants and b is the concentration of product
a is the volume of reactants and b is the volume of product
30sSTEM_GC11CEIVb-e-145 - Q4
Which of the two graphs reaches equilibrium?
Neither.
Both of them
The right one.
The left one.
30sSTEM_GC11CEIVb-e-145 - Q5
What are the two factors to look for when determining if the reaction is at equilibrium?
Forward reaction rate is faster than the reverse and concentrations are equal
Forward and revers reaction rates are equal and concentration is equal
Forward reaction rate is faster than the reverse and concentration is equal
Forward and reverse reaction rates are equal and concentration is constant
30sSTEM_GC11CEIVb-e-145 - Q6
When the rate of the forward reaction is equal to the rate of backward reaction, the system is said to be in?
Chemical Balance
Stoichiometry
Chemical Equilibrium
Chemical Reaction
30sSTEM_GC11CEIVb-e-145 - Q7
Which of the following is the condition needed to establish the equilibrium?
All reactants and products should be in closed system
Constant Temperature
All of the above
Products and reactants should be in constant dynamic motion
30sSTEM_GC11CEIVb-e-145 - Q8
Which of the following is NOT true at equilibrium?
The forward and reverse reactions continue to occur.
The concentrations of reactants and products do not change.
The concentration of the reactants is equal to the concentration of the products.
The forward and reverse reactions proceed at the same rate.
30sSTEM_GC11CEIVb-e-145 - Q9
Which of the following equations are correctly balanced?
12CO2 + H2O ---> C6H12O6 + O2
CO2 + 9H2O ---> C6H12O6 + O2
6CO2 + 6H2O ---> C6H12O6 + 6O2
CO2 + H2O ---> 3C6H12O6 + O2
30sSTEM_GC11CEIVb-e-145 - Q10
Is the following reaction balanced?NaHCO3 --> Na2CO3 + H2O + CO2
falsetrueTrue or False30sSTEM_GC11CEIVb-e-145
