One of the fusion reactions that goes on in massive stars is silicon burning, 28Si + 28Si→56Ni + γ. This reaction is how fusion reactions eventually reach the most stable iron/nickel region. It is also a precursor to the end of a star’s life and may lead to a supernova, if the star’s mass is suffi cient. (a) Calculate the ignition temperature required for this reaction. (b) How much energy is expended in this reaction?

Q: Another series of nuclear reactions that can produce energy in the interior of stars is the carbon…

A: (a) The reaction is given by,

Q: The Sun produces energy at a rate of 4.00 x 1028 W by the fusion of hydrogen. If the Sun is 90.0%…

A: Given that,E=4×1026 JouleE=mc2   Equation 1where, c=3×108m/sfrom equation 1,m=Ec2=4×1026…

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A: Given: The rest mass of the proton mp = 938.28 MeV/c2 The rest mass of an electron me = 0.511…

Q: The 2-H formed in the first reaction has less mass than the two 1-H that form it; the missing mass…

A: Two hydrogen atoms combine via a fusion reaction to form a single deuterium atom, the reaction…

Q: Select below the correct answer for the following problem. A nuclear power station is rated at 900…

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Q: An archaeologist finds some ancient jewelry made from bone. The jewelry has a carbon mass of 392 g…

A: GivenThe mass of 12C carbon in the Jewelery is 392 gThe current decay rate of 14C is 26 decay/sThe…

Q: Calculate the amount of energy released or absorbed in each step of the PPI reaction chain. Use…

A: First we write the reaction H23e + H23e →H24e + 2 H11 + Q where Q is the energy released or absorbed…

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Q: Calculate the mass of 235u consumed each day.

A:

Q: Consider two reactions: (a) Compute the Q values for these reactions. Identify whether each reaction…

A: Part(a): Reaction (1) We will solve to find Q-value of the reaction.   The sign of Q is positive.…

Q: | Consider the nuclear reaction He + Li absorbed or liberated? How much energy? 5B+ on. Is energy

A: It is known that  Energy = [(mass of reactant - mass of product)]× c2 Where c = speed of light in…

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A:

Q: Another set of reactions that result in the fusing ofhydrogen into helium in the Sun and especially…

A:

Q: - Consider the nuclear reaction He + 3Li →→ B+ on. Is energy 1 absorbed or liberated? How much…

A: The atomic mass of 7Li, 4He, 10B, and neutron are 7.016003434u, 4.002603254u, 10.012936862u and…

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A: 1GW = 109 W  1 Mev = 1.6 × 10-13 J   Given efficiency = 41%

Q: For the following reaction, what is the energy released, in GJ/mol? (1 GJ = 1E9 J) Use 2.998E8 m/s…

A: Given,

Q: The uranium isotope 235U can fission—break into two smaller-masscomponents and free neutrons—if it…

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Q: The ignition temperature of fusion reactions is referred to in both temperature and kinetic energy.…

A: (a) For fusion reaction to occur kinetic energies of the particles should be very high. The…

Q: Enter your result in MeV to 2 decimal places

A:

Q: Another series of nuclear reactions that can produce energy in the interior of stars is the carbon…

A: Since there are multiple sub-parts posted, we will answer the first three sub-parts for you. If you…

Q: Deuterium fuses with tritium by the following reaction: 21H+31H⟶42He+10n12H+13H⟶24He+01n The…

A: Given:atomic mass of Deutrium, m2 = 2.014102 uatomic mass of Tritium, m3 = 3.016049 uatomic mass of…

Q: The sun radiates energy at the rate of 3.85 × 1026 W. Suppose the net reaction 4p + 2e− → α + 2υe +…

A: The reaction from the question is, Add two electrons on both sides of the equation,

Q: Oxygen-16.  (Oxygen has an atomic number of 8 and Atomic Weight of 15.9949u) Group of answer…

A:

Q: The fusion reaction shown is part of the proton-proton chain that occurs in the core of the sun.

A:

Q: 28 si + 32 s. He --> Imagine the following nuclear reaction: 14 16 MeV. Its Q-value is: Q=

A: Given nuclear reaction: 14 Si +  2He  ------------> 16S

Q: In considering potential fusion reactions, what is the advantage of the reaction 2H + 3H → 4 He + n…

A:

Q: At the end of its life, a star with a mass of two times the Sun’s mass is expected to collapse,…

A: The expression for the radius is,

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Q: 0.9 FA0 CA, k(1-x,) Q3: The volume of reactor is given by following expression: V = xp 19000 x using…

A:

Q: The fusion process continues in a very massive star until its core consists of nuclei near 56Fe.…

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Q: Problem 4: The puck in the figure above on the left has a mass of 0.120 kg. The distance of the puck…

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Q: The uranium isotope 235U can fission—break into two smaller-masscomponents and free neutrons—if it…

A: The given reaction is; n01+   92235U→   56141Ba+ 3692Kr+3 01n In the nuclear fission process, the…

Q: An archaeologist finds some ancient jewelry made from bone. The jewelry has a carbon mass of 146 g…

A: Given data: The mass of carbon is m=146 g. The molar mass of 12C is M=12 g/mol. The decay rate of…

Q: 1. Complete the following reactions: (a) A1+p+ (b) staty (c) 197 Au+12 C206 At+ 116S+ ¹17 Sp+p

A: 1) Aluminum with mass number 27 is added with a proton: A1327l+p→S1427i+nIn this nuclear reaction, a…

Q: A wooden artifact is found in an ancient tomb. Its c arbon - 14 (614C) activity is measured to be…

A: Formula to calculate the age of the ancient site is,

Q: Find A and identify X in the following nuclear reactions: (a) ¹H + Be → AX + n; (b)¹²C + ¹H → AX;…

A: Nuclear reactions are balanced based on the conservation of mass number (total number of nucleons,…

Q: For the nuclear reaction 14N + a →p + ¹70 which may also be written as 14N(a, p)¹70, determine the…

A:

Q: Fusion in the Sun occurs mostly through the proton-proton chain, which starts with the fusion of two…

A: Fusion in the Sun occurs mostly through the proton-proton chain, which starts with the fusion of two…

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Q: The unified atomic mass unit, denoted u, is defined to be 1 u = 1.6605 × 10^-27 kg. It can be used…

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A: Given: The volume of helium gas is V=1.0×10-6 m3. The time for which volume of gas is given is t=72…

Q: One way to utilize naturally occurring uranium (0.72% ²³⁵Uand 99.27% ²³⁸U) as a nuclear fuel is to…

A: Solution:

Q: Why is uranium-235 used in nuclear fission? why is uranium-235 one of the only elements ideal for…

A: