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How many coulombs of positive charge are there in 4.00 $\mathrm{kg}$ of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons?
1.49$\cdot 10^{8} \mathrm{C}$
Physics 102 Electricity and Magnetism
Chapter 18
Electric Charge and Electric Field
Rutgers, The State University of New Jersey
University of Michigan - Ann Arbor
Simon Fraser University
University of Sheffield
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Welcome back to Nimrod. My name is Kevin Chirac. So here we're considering what? The total charge the total positive charge that is possessed within four kilograms of plutonium and were given the following information. And so really, what we're gonna be looking for here is the charge that associate ID with this number off protons were kind of looking for NP times the charge that goes along with an individual proton. And so that's what we're kind of trying to solve out here. So let's go ahead and start off. We have np times, the charge of a given Proton and we do know that the charge of a given Proton is going to be equal to that of ah electrons. That's going to be 1.6 times 10 to the native 19th as far as firing up the total number of protons, That is where we're going to want to start with our mass that we're given that four kilograms and then we're going to want to start Teoh, adjust that if you will. So you've got four kilograms. We know that there is 1000 grams in every one kilogram and I convert this into kilogram there into grams because the grams allows to say that there are 244 grams in one mole of material. We know that one mole corresponds with God Rose number so 6.22 times 10 to the 23rd. That'll be the total number of Adam's then and then Once we have the total number of Adams, we know that there is going to be 94 protons for every one of those Adams.
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