Multiple ChoiceA 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)46011Has a video solution.
Textbook QuestionTwo 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?689Has a video solution.
Textbook Question(b) What is the change in potential energy if the distance separating the two electrons is increased to 1.0 nm?441Has a video solution.
Textbook Question(c) Does the potential energy of the two particles increase or decrease when the distance is increased to 1.0 nm?441Has a video solution.
Textbook Question(a) What is the electrostatic potential energy (in joules) between two electrons that are separated by 460 pm?393Has a video solution.
Textbook Question(a) The electrostatic force (not energy) of attraction between two oppositely charged objects is given by the equation F = k1Q1Q2>d22where k = 8.99 * 109 N@m2>C2 , Q1 and Q2 are the charges of the two objects in Coulombs, and d is the distance separating the two objects in meters. What is the electrostatic force of attraction (in Newtons) between an electron and a proton that are separated by 0.23 nm?10171Has a video solution.
Textbook QuestionA sodium ion, Na+, with a charge of 1.6 * 10-19 C and a chloride ion, Cl - , with charge of -1.6 * 10-19 C, are separated by a distance of 0.50 nm. How much work would be required to increase the separation of the two ions to an infinite distance?1495Has a video solution.
Textbook QuestionA magnesium ion, Mg2+, with a charge of 3.2 * 10-19 C and an oxide ion, O2-, with a charge of -3.2 * 10-19 C, are separated by a distance of 0.35 nm. How much work would be required to increase the separation of the two ions to an infinite distance?1119Has a video solution.
Textbook QuestionConsider a system consisting of two oppositely charged spheres hanging by strings and separated by a distance r1, as shown in the accompanying illustration. Suppose they are separated to a larger distance r2, by moving them apart. (a) What change, if any, has occurred in the potential energy of the system?224Has a video solution.
Textbook QuestionThe following diagram shows the potential energy of two atoms as a function of internuclear distance. Match the descriptions with the indicated letter on the plot. (a) Repulsive forces are high between the two atoms. (b) The two atoms neither exert attractive nor repulsive forces on one another. (c) The attractive forces between atoms are maximized, resulting in the lowest energy state. (d) Attractive forces between atoms are present but are not at maximum strength. 398Has a video solution.
Textbook QuestionTwo electrostatic potential maps are shown, one of methyl-lithium (CH3Li) and the other of chloromethane (CH3Cl). Based on their polarity patterns, which do you think is which? (a) (b) 171Has a video solution.
Textbook QuestionElectrostatic potential maps of acetaldehyde (C2H4), ethane (C2H6), ethanol (C2H6O), and fluorethane (C2H5F) are shown. Which do you think is which? (a) (b) (c) (d) 161Has a video solution.
Textbook QuestionAccording to Coulomb's law, which pair of charged particles has the lowest potential energy? a. a particle with a 1- charge separated by 150 pm from a particle with a 2+ charge b. a particle with a 1- charge separated by 150 pm from a particle with a 1+ charge c. a particle with a 1- charge separated by 100 pm from a particle with a 3+ charge2306Has a video solution.
Textbook QuestionAccording to Coulomb's law, rank the interactions between charged particles from lowest potential energy to highest potential energy. a. a 1+ charge and a 1- charge separated by 100 pm b. a 2+ charge and a 1- charge separated by 100 pm c. a 1+ charge and a 1+ charge separated by 100 pm d. a 1+ charge and a 1- charge separated by 200 pm333Has a video solution.
Textbook QuestionList the following gas-phase ion pairs in order of the quantity of energy released when they form from separated gas-phase ions. List the pair that releases the least energy first. Na+ F - , Mg2 + F - , Na+O2 - , Mg2 +O2 - , Al3 +O2 - .9391Has a video solution.
Textbook QuestionUse Coulomb's law to calculate the ionization energy in kJ>mol of an atom composed of a proton and an electron separated by 100.00 pm. What wavelength of light has sufficient energy to ionize the atom?18601Has a video solution.
Textbook QuestionThe first ionization energy of sodium is 496 kJ>mol. Use Coulomb's law to estimate the average distance between the sodium nucleus and the 3s electron. How does this distance compare to the atomic radius of sodium? Explain the difference.2470Has a video solution.