ACTIVATION ENERGY
Quiz by MINI AUGUSTIN
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- Q1
If the activation energy in the forward direction of an elementary step is 52 kJ and the activation energy in the reverse direction is 74 kJ, what is the energy of reaction E for this step?
-22 kJ
126KJ
-52 KJ
22KJ
30s - Q2
Whenthe temperature rises, what happens to the peak of the curve in the
Maxwell- Boltzmann distribution graph?
Shifts forward and downward
Shifts backwards and downward
Shifts forward and downward
Shifts backwards and upward
30s - Q3
In a reaction, 2X → Y, the concentration of X decreases from
0.50 M to 0.38 M in 10 min. What is the rate of reaction in Ms-1
during this interval?
4 × 10-2
2 × 10-2
1 × 10-2
2 × 10-4
30s - Q4
The activation energy in a chemical reaction is defined as
the difference in energy of intermediate complex and average energy of reactants
the difference in energies of reactants and products
the difference in energy of intermediate complex with the
average energy of reactants and products
the sum of energies of reactants and products
30s