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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- 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.What is the force of repulsion between two argon nuclei when separated by 2nm? The charge on an argon nucleus is +20eA sample of sulfur has a mass of 110g. What is the net charge on the sample if an extra electron is added to one out of every 10^12 sulfur atoms?
- What is the excess number of electron in a 2.0 × 10-17 C charge?Solar wind is a flow of heavily charged ions emanating from the Sun’s corona. Spectroscopic analysis suggests it contains a density of approximately 5.0 electrons per cubic centimeter (cm3). Given that the elementary charge ? ≈ 1.6 × 10−19 ? and using the combined average of your measured values of Q, determine the charge density of a cubic meter (m3) of solar wind sample as a function of QAssume a certain five cent coon is made if pure nickel and has a mass of 4.95 grams. the atomic mass of nickel is 58.7 and each nickel atom contains 28 electrons and 28 protons. what fraction of the nickel atoms electrons removed ans held 1.00 m above the coin would support the coins weight?
- In 1909, Robert Millikan and Harvey Fletcher designed an experiment to measure the electric charge of oil droplets by dropping them through an electric field, increasing the electric field strength until the droplets were suspended in the air. By repeating the experiment for many droplets, they confirmed that the charges were all small integer multiples of a certain base value, and thus they measured the charge of a single electron. In Millikan's experiment in the figure below, an oil droplet of mass 3.73 fg has an excess charge of five electrons. An electric field has been applied, and the droplet is levitating. What is the magnitude of the electric field? (Units: N/C)What is the magnitude of the repulsive force between a 3.4 mC charge and a 6.3 mC charge if they are separated by a distance of 93 centimeters? Report your answer kN rounded up to the tenths placeA 50.0-g piece of aluminum has a net charge of +4.20 C. Aluminum has an atomic mass of 27.0 g/mol, and its atomic number is 13. a. Calculate the number of electrons that were removed from the initially neutral aluminum to produce this charge. b. Determine what fraction of the original number of electrons this removed number represents. c. By how much did the original mass of the aluminum decrease after charging?
- A spherical water droplet of radius 25 m carries an excess 250 electrons. What vertical electric field is needed to balance the gravitational force on the droplet at the surface of the earth?Is it possible to find a body with fractional charge like +2.87e or -7.5e? Explain why?Two identical 9.60-g metal spheres (small enough to be treatedas particles) are hung from separate 300-mm strings attachedto the same nail in a ceiling. Surplus electrons are added to eachsphere, and then the spheres are brought in contact witheach other and released. Their equilibrium position is suchthat each string makes a 13.0 angle with the vertical. Howmany surplus electrons are on each sphere?