26.3 Carbon has a molar mass of 12 g mol-¹ and a single (uncharged) car- bon atom consists of 6 protons, 6 neu- trons, and 6 electrons. What would the net charge on a 1 g sample of carbon be if 0.005% of all the electrons in the sample of carbon were removed?
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- The nucleus of a 125 Xe atom (an isotope of theelement xenon with mass 125 u) is 6.0 fm indiameter. It has 54 protons and charge q = +54eWhat is the electric force on a proton 1.3 fm from the surface of the nucleus? Hint: Treat the sphericalnucleus as a point charge.Express your answer with the appropriate units.F =SubmitPart BaμÀValueRequest AnswerSubmitWhat is the proton's acceleration?Express your answer to two significant figures and include the appropriate units.μÀValueRequest Answer1982UnitsUnits?What is the excess number of electron in a 2.0 × 10-17 C charge?Considering electron and proton as two charged particles separated by d = 5.8 × 10-¹¹ m calculate the Coulomb force between proton and electron. 1 Take the electron charge -1.6 × 10-¹9 C and = 9 x 10⁹ m/F. Give the answer in nano-Newtons (nN, 10¹⁹ N). Απερ
- An object of mass 5 × 10-6 g is placed over a thin positively charged sheet of surface density of charge σ = 4.0 × 10-6C/m2 (figure shown below). Estimate the charge that should be given to this object so that upon release it will not fall down. Calculate the number of electrons that is to be removed to give this charge. How much mass loss is caused by this removal of electrons?A 1-uC charge is located on each of the four corners of a square whose side measures 10 cm. What is the force on a 1 µC charge located in the center of the square?An American penny is 97.5% zinc and 2.5% copper and hasa mass of 2.5 g. Estimate the net charge on all of the electrons in one penny.
- You have a neutral balloon. What is the charge after 17000 electrons have been removed from it? The elemental charge is 1.6 * 10^-19 C. Answer in units of micro coulombsWhat is the magnitude and the direction of the force of on the -10 nanoC charge in the figure ? supposed that a=1. 8 cm And for the direction give your answer as an angle measuring CW or CCW on the +X axis.What is the total negative charge, in coulombs, of all the electrons in 20g of aluminum? The atomic mass of aluminum is 27.0g.mol- 1, and its atomic number 13.
- (a) What is the electric field of an oxygen nucleus at a point that is 10−10 m from the nucleus? (b) What is the force this electric field exerts on a second oxygen nucleus placed at that point?Suppose a speck of dust in an electrostatic precipitator has 8.0000 × 10+" protons in it and has a net charge of 2.00 nC (a very large charge fọr a small speck). How many electrons does the speck have? Include 5 significant figures in your answer. For this problem, use e = 1.6022 × 10¬1º C as the fundamental charge. n = number (5 significant figures)The spherical nucleus of the certain atom contains a positive charge ze in a volume of radius r. compare the force exerted on electron inside the nucleus at radius 0.5r with the force at radius r for the nucleus in which a)the charge quantity is constant throughout its volume and b)the charge density increases in direction proportion to the radius r. ?