How many coulombs of positive charge are there in 1.08 kg of plutonium, given that its atomic mass is 244 and each plutonium atom has 94 protons?
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How many coulombs of positive charge are there in 1.08 kg of plutonium, given that its
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- Adding a proton to a nucleus The nucleus of an atom is positively charged because it consists of positively charged protons and uncharged neutrons. To bring a free proton toward a nucleus, a repulsive force F(r) = kqQ/r2 must be overcome, where q = 1.6 × 10-19 C (coulombs) is the charge on the proton, k = 9 × 109 N · m2/C2, Q is the charge on the nucleus, and r is the distance between the center of the nucleus and the proton. Find the work required to bring a free proton (assumed to be a point mass) from a large distance (r → ∞) to the edge of a nucleus that has a charge Q = 50q and a radius of 6 × 10-11 m.A small piece of aluminum (atomic number 13) contains 1015 atoms. (The atomic number is the number of protons; it determines the (positive) electric charge of the nucleus and, thus, the number of electrons in a neutral atom.) If the piece of aluminum has a net positive charge of 3.0 uC, what fraction of the electrons that the aluminum had when it was neutral would have had to be lost?How many coulombs of positive charge are there in 47.0 gm of plutonium, given its atomic mass is 244 and that each plutonium atom has 96 protons?
- How many coulombs of positive charge are there in 5.80kg of plutonium, given its atomic mass is 244 and that each plutonium has 94 protons?What is the force of repulsion between two argon nuclei when separated by 2nm? The charge on an argon nucleus is +20eWhat is the charge of a body whose proton is 4x10^15 and 5x10^15 ?
- What is the electric charge of 5.0x10^14 protons?If electrons are negatively charged and the nucleus is positively charged, why do they not attract and collide with each other? The pull from the nucleus provides a centrifugal force, which is not strong enough to draw the electrons into the nucleus. The pull from the nucleus provides a centripetal force, which is not strong enough to draw the electrons into the nucleus. The pull from the nucleus provides a helical motion. The pull from the nucleus provides a cycloid motion.A typical AA size rechargeable NiMH battery can store 1100-2100 mAh of electric charge. The small print on the battery in your hand says 1530 mAh. Can you express this amount of electric charge using the usual coulomb units? You are now charging a camera battery. The charger moves 4470 C of electric charge from the negative terminal of the battery to the positive terminal. (In reality the charger moves the negative electrons from the positive terminal to the negative terminal, but this is not important for us right now.) Assuming - incorrectly - that the voltage of the battery remains a constant 3.20 V during the whole charging process, determine the work done by the charger. And now you are charging a capacitor bank for a high-voltage physics experiment. The power supply moves Q = 8990 C of electric charge in the charging process. The supply is set to stop, when the voltage reaches AV = 710 V. How much work did the power supply perform?
- How many coulombs of positive charge are there in 6.40 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons? Answer: ___________CProblem 7: Consider the arrangement of three point charges in a right triangle shown in the figure, which have charges q1 = 7.5 µC, 92=-73 µC, and q3= 15 µC. The distance between q1 and q2 is 39 cm and the distance between q2 and q3 is 67 cm. Randomized Variables ed ed 91=7.5 μC 92 = -73 μC 93= 15 µC a=39 cm b= 67 cm 9₁ a +9, b 92 art (a) How much potential energy, in joules, is stored in this configuration of charges? Part (b) Now assume that q, and g, are fixed in space at the locations indicated. and q3 is brought into it's position from infinity. What is the change in potential energy of the system, in joules, select part process? U₂ = 1Suppose that all the electrons are removed from a copper coin, whose mass is 2.7 g, and they are placed at 2 meters from the remaining copper nucleus. What is the magnitude of the electrical attractive force on electrons? In each copper atom there are 29 electrons. 9 mol' (Consider: M = 55,8- NA = = 6,022x1023 atoms mol