The charge of an electron is {eq}e = -1.6 \times 10^{-19} \ C. So I've already got some help on this one, now I have a different question pertaining to this equation. Lv 7. Still have questions? Anthony. 9 years ago. China's most important trees are hiding in plain sight, First Australian night bees recorded foraging in darkness, New study reveals United States a top source of plastic pollution in coastal environments. Don't forget that uC= 1*10^-6 C. 30*(10^-6)/(1.602*10^-19)=1.87E14 . how many electrons make up a charge of -30 uc? Create your account, Charge of an electron is {eq}e = -1.6 \times 10^{-19} \ C. Physics for Scientists & Engineers Vol. Answer Save. 2 Answers. Services, Working Scholars® Bringing Tuition-Free College to the Community. This is written as 1 C = 1/1.6x10^-19 electrons. Answer to (I) How many electrons make up a charge of −38.0 μC?. Since an electron has a charge e = –1.602E-19 C, it follows that N = q/e = –10.0E–6 C / –1.602E-19 C/electron = 6.242E13 electrons. How many coulombs of positive charge are in 1.91 mol of O2 gas? JavaScript is disabled. © copyright 2003-2020 Study.com. 1 C = 6.24 x 10^18 electrons, and 1 µC = 1 x 10^-6 C, so ... (20.0 x 10^-6 C)( 6.24 x 10^18 e/C) = 1.25 x 10^14 electrons. 2 0. Frame of reference question: Car traveling at the equator, Seeking a simple logical argument to an interesting statement (spring-mass motion), Determining the starting position when dealing with an inclined launch. One electron has a charge equivalent of 1.6x10^-19 coulomb. {/eq}. Lv 7. Matthew. The formula for number of electrons is, Here, n is the number of electrons, q is the total charge and e is the charge of electron. The charge of an electron is e = −1.6×10−19 C. e = − 1.6 × 10 − 19 C. charge on 1 electron = -1.602*10^-19C - 1 Coulomb is the charge on 1/(1.602*10^-19) electrons - 31.0*10^-6 C is the charge on 31*10^-6/1.602*10^-19 electrons = 1.94*10^14 electrons . Answer Save. 2 (Chs 21-35) (4th Edition) Edit edition Problem 2P from Chapter 21: Favorite Answer. How many electrons make up a charge of -10.0 µC? Our experts can answer your tough homework and study questions. Relevance. N = q/e = –10.0E–6 C / –1.602E-19 C/electron = 6.242E13 electrons. Join Yahoo Answers and get 100 points today. 6 years ago. {/eq}, Become a Study.com member to unlock this 1 0. Charge given is {eq}q = -20 \ \mu C = -20 \times 10^{-6} \ C {/eq}. All other trademarks and copyrights are the property of their respective owners. Please Help! Answer Save. 10 years ago. Electrons are negatively charged particles that orbit around the nucleus in definite orbits inside an atom. Relevance. Favourite answer. The number of electrons in a charge is the ratio of total charge to the charge of each electron. Coulomb's Law, what charge will make the two charges in static eq. How many electrons make up a charge of -20.0 µC? Favorite Answer. Join. This is written as 1.6x10^-19 C = 1 electron. Get answers by asking now. Which of the following ions are isoelectronic with... 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Ask … All rights reserved. 30 µC / 1.602e-19 C /electron = 1.87e14 electrons. 1 0. Get your answers by asking now. Sciences, Culinary Arts and Personal Get your answers by asking now. Still have questions? 7 years ago. To get the value of 1 C, both sides of the equation have to be divided by 1.6x10^-19. Ask Question + 100. How many electrons make up a charge of -90.0μC ? How many electrons make up a charge of -20C? 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Join Yahoo Answers and get 100 points today. Chapter 16, Problem 2P is solved. 0 0. 1 Answer. billrussell42. ThinMan.
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