Using 2.3 × 1017 kg/m3 as the density of nuclear matter, find the radius of a sphere of such matter that would have a mass equal to that of Earth. Earth has a mass equal to 5.98 × 1024 kg and average radius of 6.37 × 106 m.

Q: Density is the ratio of mass to volume. If a uranium nucleus has a radius of 7.4 femtometers and…

A: Given data:- The radius of the uranium nucleus is r = 7.4 femtometers. The nuclear mass of the…

Q: When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5…

A: Given that, The weight of the child = 20 lbs To convert from pounds to kilogram we can divide by 2.2…

Q: Comet C/1995 O1 (Hale-Bopp) has a gas production rate for H2O of Q = 8.35 x 1030 molecules per…

A: Estimate the radius of its nucleus in km. gas production rateQ= 8.35×1030 moleculessExpansion…

Q: Q. 9 : If M = mass of wire, p = density of wire, R = radius of wire, r = change in radius, L =…

A: To find- Poisson's ratio (σ)=? Given- Mass of wire=M Density of wire=ρ Radius of wire=R Original…

Q: An unknown radioactive element decays into non-radioactive substances. In 360 days the radioactivity…

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Q: A sample contains 1,174 present one year earliera Give your answer to 3 sig

A: Given data, A = 1174. A0=?. Half life T12=33 days. Time t = 365 days.

Q: A nuclear fission reactor uses nuclear reactions, of which the following is typical: *? +6? → 24?…

A: The process of breaking up of the nucleus if a heavier atom into two smaller nuclei with the release…

Q: The graph below shows the number of grams of a radioactive element t days after it was first…

A: Given:  Graph of number of radioactive element in grams with respect to time in days. We have to…

Q: Unit conversion)A hydrogen atom has a diameter of 1.06 × 10-¹0 m. The nucleus of the hydrogen tom…

A: Given data, Diameter of hydrogen dnucleus,real=2.40×10-15 m datom,real=300 ft

Q: Polonium, the Period 6 member of Group 6A(16), is a rare radioactive metal that is the only element…

A: The density of the unit cell is given by,

Q: 2 (a) How many protons are in 2.00 kg of pure iron? Answer using scientific notation nt)

A: To find the number of protons in a given mass of substance, we first find the number of atoms in the…

Q: Estimate the radius of a sphere that would hold all of a person's mass if its density equaled the…

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Q: Calculate the energy released, in calories, when 8 g of matter is converted to energy. Express your…

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Q: Find the mass of a thin wire lying along the curve r(t) = /2ti+ 5t j+ (7-t) k, 0sts1, if the density…

A: In this question we have to find the mass of the thin wire lying along the curve r(t). Please give…

Q: (Unit conversion)A hydrogen atom has a diameter of 1.06 × 10-¹0 m. The nucleus of the hydrogen atom…

A:

Q: Nitrogen dioxide (NO2; molecular weight = 46 grams per mole [g/mol]) is contained in a 4.32-liter…

A: Given information: The volume of Nitrogen (V) = 4.32 litre = 4.32 ×10-3 m3 The temperature of the…

Q: The following experimental data were obtained from the reaction A + B → C: experiment| [A] (М) | [B…

A: 2. Rate law equation:dxdt=kAmBn-----(1)From the above…

Q: The rate of decay of a radioactive material is directly proportional to the amount of the material…

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Q: Three (3) Samples, A, B, and C, have the following condition: PA > PB > PC- EVALUATE THE STATEMENTS.…

A: Density = mass/volume

Q: Consider the following radioactive decay chain of fission products, where nuclide D is stable. A0,…

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Q: 8. Convert 125 miles/h to km/s 125 mil

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Q: (a) What is the average density of the sun? (b) What is the average density of a neutron star that…

A: density if defined as the ratio of mass to the volume.

Q: Calculate the mass defect (in kg) of 150Nd if it has an observed atomic mass of 149.9208 amu. The…

A: Here,  Mass of Nd = 149.9208 amu mp=1.0078mn=1.0087

Q: A 1-kg sample of a certain radioactive element is left to decay. The mass of that element is reduced…

A: The half-life of an element is calculated using the relation: N(t)=N012tt1/2…

Q: The radioactive gas krypton-85, produced by nuclear power plants as well as volcanoes, is present in…

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Q: Bryce, a mouse lover, keeps his four pet mice in a roomy cage, where they spend much of their spare…

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Q: A radioactive substance is known to decay at a rate proportional to the amount present. If initially…

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Q: A sample was weighed three times and the following results were obtained: 12.52 g, 12.50 g, and…

A: Average value is given by the sum of given values divided by total number of values .

Q: A radioactive sample at a lab contains a mixture of 223Ra and 47Ca. There are initially twice as…

A: apply the concept of radioactive decay and use the decay equations for each isotope.The decay…

Q: The sun produces energy via nuclear fusion at the rate of 4x10 J/s. Based on the proposed overall…

A: Given :            Sun produces energy at the rate = 4×1026 J/s

Q: The magnitude of the rate of decay of a radioactive material is 0.47 times the square of the amount…

A: Note: answer and explanation is given in step 2 in image format..

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

A:

Q: The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each…

A: The density of the material is given by Where M = Mass of the material, V = Volume of the material

Q: Compute the mass of 1 m3 of nuclear matter and the mass of Earth (6x1024 kg).

A: Required :  Mass of 1 m3 of nuclear matter and mass of the Earth.

Q: How many half-lives must elapse until (a) 77% and (b) 99 % of a radioactive sample of atoms has…

A: Solution in answer, feel free to ask for clarifications if needed.

Q: Since neutron stars consist totally of neutrons, they are extremely massive and have a density that…

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Q: A coin that is tossed straight up into the air. After it is released, it moves upward, reaches its…

A: The coin is moving under gravity Hence we can say that the acceleration is constant and is always…

Q: One method for determining the age of ancient objects is by radiocarbon dating. Natural processes…

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Q: A group of geochemists have been analyzing a sample of radioactive material. After plotting ln(a)…

A: Given: slope value of graph, S=-1×10-9 s-1

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.