The largest American Eagle gold has a mass of 28.4 g. The atomic number of gold (the number of protons in the nucleus of an atom gold) is 79, and thus the number of electrons in a neutral gold atom is also 79. The atomic mass of gold is 197, which means that 1 mol of

Q: A metal sphere is uncharged (neutral). Then it is charged with +470x10-6C (470µC). Have electrons…

A: Quantization of charge.- total charge on any object is quantized.

Q: An object of mass 5 × 10-6 g is placed over a thin positively charged sheet of surface density of…

A: The mass of the object, m= 5×10-6 g = 5×10-9 kg The surface charge density of the sheet, σ=4.0×10-6…

Q: The magnitude of the electrostatic force between two identical ions that are separated by a distance…

A: Given data: Distance between the identical charges (r) = 5*10-10 m Force between the both charge (F)…

Q: Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How…

A: Given:molar mass of water, m = 18 g/molvolume of water, V = 5 ltrseach molecule of water has 10…

Q: A 40-g ball of copper has a net charge of 2.5 µC. What fraction of the copper's electrons have been…

A: The mass of the ball is 40 g. The net charge of the ball is 2.5 μC. The atomic mass of the copper is…

Q: 2. Three nanocoulomb (nC) charges (+5 nC, -9nC, and +4 nC) are placed at the vertices of an…

A: Force between two point charges F = kq1 q2 /r2

Q: The distance between 2-point charges is 50mm. The repulsive force between them is 2 x 109 N. What is…

A:

Q: Two identical metal spheres A and B are in contact. Both are initially neutral. 1.0 × 1012 electrons…

A: Data provided in the question; Two metallic spheres, A and B are in contact with each other. Both…

Q: A metallic sphere has a charge of +4.00 nC. A negatively charged rod has a charge of −6.00 nC. When…

A: Given data The charge on the sphere is given as Qs = 4 nC. The charge on the rod is given as Qr =…

Q: Charges E and F are situated 4.44 m apart. What is the magnitude of the electric charge of particle…

A: Given data:  Distance between charges (r) = 4.44 m Charge on particle E (q1) = 11.2 μC = 11.2×10-6 C…

Q: Four points charges of equal magnitude Q=45 nC are placed on the corners of a rectangle of sides…

A: Q = 45 nC D1 = 18 cm = 0.18 m D2 = 12 cm = 0.12 m

Q: A negatively charged balloon has 2.3 µC of charge. How many excess electrons are on this balloon?…

A: Q = 2.3 µC = 2.3 x 10-6 C e = 1.6 × 10−19 C n = ?

Q: chloride ions and two sodium ions are in water, the "effective charge" on the chloride ions (CI) is…

A:

Q: Sphere A has an excess of 5 x 1016 electrons and sphere B has an excess of 6 x 1017 electrons. The…

A:

Q: A dipole of ±2.6 nC point charges arranged 0.11 cm apart is centered at the origin and oriented…

A:

Q: An American penny is 97.5% zinc and 2.5% copper and hasa mass of 2.5 g. Estimate the net charge on…

A: Given data: The mass of the penny is The percentage of zinc and copper is 97% and 2.5%…

Q: Considering electron and proton as two charged particles separated by d = 5.8 × 10-¹¹ m calculate…

A: Charge on electron qe=-1.6×10-19 C  Charge on proton qp=+1.6×10-19 C  sepration d=5.8×10-11 m

Q: A 60-g ball of copper has a net charge of 3 μC. What fraction of the copper's electrons have been…

A:

Q: Three 50 µC charges are in a line on a meter stick. The first charge is at the origin (0m). The…

A:

Q: Q. 16 : A cylinder is charged by 10 Mc. Length of cylinder is 1 km and radius is 1 mm. Surface…

A: To Find: Surface charge density Given that, Charge (Q) = 10 mc = 10×10-3 C Length (l) = 1 km = 1000…

Q: A metal sphere has a charge of + 8.0 µC. (a.) How many electrons does it have? (b.) What is the net…

A:

Q: Six conducting spheres all with the same radius are brought into contact. Before contact, they have…

A: Given value--- charge on six conducting sphere =  7.7 mC, -1.3 C, 8 C, 6.2 mC, 7.3 mC and 3.9 mC.…

Q: OA thin aluminium plate has a mass of 50 g. Determine the total charge of all the electrons in the…

A:

Q: Electrons have a charge of q = -1.602 × 10-19 C. A student observes that a Styrofoam cup has a total…

A: Given data The one charge is, q=-1.602x10-19 C The total charge is, Q=-0.69 µC Step 1 (a) The…

Q: How much positive charge is in 1.3 kg of helium? The atomic weight (4.0026 g) of helium contains…

A:

Q: A sample of sulfur has a mass of 110g. What is the net charge on the sample if an extra electron is…

A: The objective of the question is to find the net charge on a sample of sulfur when an extra electron…

Q: Imagine two concentric spherical conductive shells of radii 5 cm and 10 cm. Originally the inner…

A: Analyzing the question,  In this question we are given that there are concentric spheres, the inner…

Q: 0.482% of the electrons are removed from a 10.0 mg sphere of iron resulting in a net charge on the…

A: The atomic mass of Iron is 56 gm. Atomic mass of element contains 6.022×1023 atoms.  Number of atoms…

Q: A factory is spray-painting large sheets of metal electrostatically.  The sheets have dimensions of…

A: Given Dimensions of the sheet is 24 m x 24 m Charge on the sheet Q = 0.82 mC = 0.82 x 10-3 C Charge…

Q: Suppose a speck of dust in an electrostatic precipitator has Np = 3.75 × 1017 protons in it and…

A: The electrostatic precipitator is given as, Np = 3.75×1017 Protons The net charge of the speck of…

Q: Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of…

A: To find No. of electrons to every 109 electrons in silver. Number  of mol = massmolar…

Q: 2.5 g copper penny is given a charge of -2.6 nC. a) How many electrons were transferred in order to…

A: Given  Mass of copper penny = 2.5 g Total charge given = -2.6 nC We know charge on electron = -…

Q: A metallic sphere contains a charge of -7.84 x 10-15 coulombs. The extra electrons evenly spread…

A: The charge on one electron is e=-1.602 x 10-19 coulombs. The charge is a quantized quantity meaning…

Q: Water has a mass per mole of 18.0 g/mol, and each water molecule (H₂O) has 10 electrons. (a) How…

A: Molecular mass, = Number of electrons in a water molecule : 10 Volume of water, V=7.59L=7.59×10-3m3…

Q: Suppose a speck of dust in an electrostatic precipitator has 8.0000 × 10" protons in it and has a…

A:

Q: Say you have a positively charged rod A of length L = 112 m (m stands for meter). Charge density of…

A: Given:- a positively charged rod of length L= 112 m.             The charge density λA=3.0×10-2 Cm.…