, Energy of Interaction of Point Charges Coulomb's Law yields an expression for the energy of...
,
Energy of Interaction of Point Charges
Coulomb's Law yields an expression for the energy of interaction
for a pair of point charges.
 |
V is the energy (in J) required to bring the two charges from
infinite distance separation to distance r (in nm).
Q1 and Q2 are the charges
in terms of electrons.
(i.e. the constant in the above expression is
2.31×10-19J nm
electrons-2)
For a group of "point" charges (e.g. ions) the total energy of
interaction is the sum of the interaction energies for the
individual pairs.
Calculate the energy of interaction for the arrangement of ions
shown in the diagram below.
d = 0.840 nm.
Homework Answers
V = 2.31 * 10^(-19) Q1Q2/r
Energy of the arrangement of ions = 2.31 * 10^(-19)/0.840 - 2.31 * 10^(-19)/infinity
=> 2.75 * 10^(-19) J
Hence the energy of the interaction of the arrangement of ions is equal to 2.75 * 10^(-19) J
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Energy of Interaction of Point Charges
Coulomb's Law yields an expression for the energy of...
Energy of Interaction of Point Charges Coulomb's Law yields an expression for the energy of interaction...
Energy of Interaction of Point Charges Coulomb's Law yields an expression for the energy of interaction for a pair of point charges. 2.31 x 10-19Q1Q2 V is the energy (in )) required to bring the two charges from infinite distance separation to distance r (in nm). Qi and Q2 are the charges in terms of electrons. (i.e. the constant in the above expression is 2.31x10-19 nm electrons") For a group of "point" charges (e.g. ions) the total energy of interaction...
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