11. Bonding & Molecular Structure
Coulomb's Law
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Practice this topic
- Multiple Choice
A force of 3.24 x 10-12 N exists between a +3 charge and another charged particle. The ions are 2.53 x 10-8 m apart. What is the charge of the unknown charged particle? (Rework numbers since you went from +15 to +3)
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Two positively charged spheres, each with a charge of 2.0⨉10-5 C, a mass of 1.0 kg, and separated by a distance of 1.0 cm, are held in place on a frictionless track. (a) What is the electrostatic potential energy of this system?
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(b) What is the change in potential energy if the distance separating the two electrons is increased to 1.0 nm?
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(c) Does the potential energy of the two particles increase or decrease when the distance is increased to 1.0 nm?
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(a) What is the electrostatic potential energy (in joules) between two electrons that are separated by 62 pm?
690views - Multiple ChoiceAccording to Coulomb's law, rank the interactions between charged particles from highest potential energy to lowest potential energy: a 1+ charge and a 1- charge separated by 100 pm; a 2+ charge and a 1- charge separated by 100 pm; a 1+ charge and a 2- charge separated by 100 pm.538views
- Multiple ChoiceAccording to Coulomb's law, which of the following interactions between charged particles has the highest potential energy?564views
- Multiple ChoiceAccording to Coulomb's Law, why are protons and electrons attracted to each other?60views