The diagram shows a Maxwell–Boltzmann distribution of molecular energies for a sample of gas in a closed container at a constant temperature.
Which row correctly identifies the physical significance of the energy values E1E_1E1, E2E_2E2, and E3E_3E3?
E1=most probable energy; E2=mean energy; E3=activation energyE_1 = \text{most probable energy}; \ E_2 = \text{mean energy}; \ E_3 = \text{activation energy}E1=most probable energy; E2=mean energy; E3=activation energy
E1=mean energy; E2=most probable energy; E3=activation energyE_1 = \text{mean energy}; \ E_2 = \text{most probable energy}; \ E_3 = \text{activation energy}E1=mean energy; E2=most probable energy; E3=activation energy
E1=most probable energy; E2=activation energy; E3=mean energyE_1 = \text{most probable energy}; \ E_2 = \text{activation energy}; \ E_3 = \text{mean energy}E1=most probable energy; E2=activation energy; E3=mean energy
E1=mean energy; E2=activation energy; E3=most probable energyE_1 = \text{mean energy}; \ E_2 = \text{activation energy}; \ E_3 = \text{most probable energy}E1=mean energy; E2=activation energy; E3=most probable energy