Kinetics/equilibrium Review Worksheet With Answers - Regents Chemistry Mr. Woods
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6Kinetics/Equilibrium Review
1. What is required for a chemical reaction to occur?
6. Given the potential energy diagram representing a
reversible reaction:
A) standard temperature and pressure
B) a catalyst added to the reaction system
C) effective collisions between reactant particles
D) an equal number of moles of reactants and products
2. For a given chemical reaction, the addition of a catalyst
provides a different reaction pathway that
A) decreases the reaction rate and has a higher
activation energy
B) decreases the reaction rate and has a lower
activation energy
C) increases the reaction rate and has a higher
activation energy
D) increases the reaction rate and has a lower
activation energy
The activation energy for the reverse reaction is
3. Which compound is formed from its elements by an
represented by
exothermic reaction at 298 K and 101.3 kPa?
A) A + B B) B + C C) B + D D) C + D
A) C
H
(g)
B) HI(g)
2
4
7. Given the equation and potential energy diagram
C) H
O(g)
D) NO
(g)
2
2
representing a reaction:
4. Which type of reaction releases the greatest amount of
energy per mole of reactant?
A) combustion
B) decomposition
C) nuclear fusion
D) oxidation-reduction
5. In a chemical reaction, the difference between the
potential energy of the products and the potential energy
of the reactants is equal to the
A) activation energy
B) kinetic energy
C) heat of reaction
D) rate of reaction
If each interval on the axis labeled "Potential Energy
(kJ/mol)" represents 10. kJ/mol, what is the heat of
reaction?
A) +60. kJ/mol
B) +20. kJ/mol
C) +30. kJ/mol
D) +40. kJ/mol
Regents Chemistry
Mr. Woods
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