Using the proton–proton chain, hydrogen is converted to   a. lithium.   b. calcium.   c. iron.   d. helium.   e. oxygen.

Q: GmM How is Ro related to L? Where, mr = 0 and %3| %3D

A: Given that: mr¨=0 ...(1)GmMRo2=LmRo3 ...(2)To conclude how Ro is related to L.

Q: 1. The mass of an electron is 9.11 × 10¯26 many electrons would make 1 kg ? g. Hot

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Q: Ā = 3.0N, 150°, what is the x-component? A) -1.5 B) 1.5 C) -2.6 D) 2.6

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Q: The atomic mass of a helium atom is 4.0026 u. Convert this mass to units of kilograms and MeV/c2.…

A: Given : atomic mass of helium atom = 4.0026 u  we know 1 atomic mass unit = 1/(6.022 x 1023) gram…

Q: The diameter of a carbon nanotube is 1.3 nm. This diameter in S.I. system is O a. 13 x10°m O b. 1.3x…

A: Given  Diameter of carbon Nano tube is d = 1.3 nm   Diameter in SI system is in meter

Q: 60KN 40KN D 4m 2m 6m RD RA

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Q: 1.175 uF is not an option in the multiple choice for this question. Please redo answer.

A: Given : Capacitance , C = 4.7 uF  Inductance, L = 5 mH  Find : new value of capacitance needed to…

Q: The atomic masses of two isotopes of cobalt are 59 and 60. (a) What is the number of protons and…

A: Part A Isotopes are elements with same atomic number but different atomic masses.   The atomic…

Q: Q2) Calculate the density of copper, whose building unit is (FCC) type, the length of the edge of…

A: We need to calculate the density of copper, given that the building unit is FCC type, length of the…

Q: fe=? 5h 60N a= 3. 2トト しe

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2. Determine the crystal structure for the following: (a) a metal with a, = 4.9489 Å, r = 1.75 Å and…

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Q: Question 3/ Calculate the density of the nuclear substance of the nucleus of the Carbon-12 atom, if…

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Q: 5. Which diode model represents the most accurate approximation?

A: SOlution: which diode model represent the accurate approximation.

Q: The half-life of element X is 8 days. If 120 g of element X is placed on a table, how much remains…

A: Given data: Half life (t1/2) = 8 days Initial amount of substance (N0) = 120 g Time (t) = 24…

Q: 3.An isotope of Cesium-Un has a half- life of 30 years. If 100 g. of Cesium-Un disintegrates over a…

A: Given: The half-life of the Cesium-Un is 30 years. The weight of the Cesium-Un is 100 g. The total…

Q: 1. How do you describe an atom in terms of composition?

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Q: 1. What is the state of this atom? 3D2 Ground state Altered Excited Reactive

A: Note: only one question can be answered at a time. As shown in the figure 2 electrons in first orbit…

Q: كمية من الغاز حجمها 0 120 cm3 في درجة الحرارة 27 oC. کم سيصبح حجم الغاز في درجة الحرارة 127 oC اذا…

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Q: 1. The half-life of cobalt-60 is 5.3 years. If 4.0g of cobalt-60 are allowed to decay for 21.2…

A: Given Half life t12 = 5.3 years, Initial amount N0 = 4 gram 1(a)  now from formula         N =…

Q: 20 What is the force of repulsion between two argon nuclei that are separated by 1.0 nm (10 m on an…

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Q: 2. What is fission?      a. What is it used for?      b. What is the beginning atoms?      c.…

A: Fission occurs when a neutron slams into a larger atom, forcing it to excite and spilt into two…

Q: 1. Which of the following statements about the atomic nucleus are correct? (There may be more than…

A: about nucleus

Q: 10-16 nm3 = ______km3. A. 10-20 B. 1020 C. 10-43 D. are noble…

A: Given data: 10-16 nm3 Required: The value in km3

Q: 8. Drag the correct number of electrons to the atom model to represent a neutral atom. 15.999 Охудеn…

A: First energy level- 2 electrons Second energy level- 6 electrons. Total = 8electrons (atomic…

Q: 5. What are the weights of (a) 1 curie and 1 rd of Ra? (b) 1 curie and 1 rd of Rn? (c) 1 microcurie…

A: We are allowed to give the explanation of first three subparts of a question only which is given…

Q: 30 0-5F 0.4F 2C 5V Te Cs C4 Find g3 '5

A: Given data, the capacitors are in parallel. let the capacitance on first capacitor, C1 = C1 F the…

Q: 238U92 -->  __________  + 4He2

A: Given: The equation of decay of radio active element is,

Q: 6.a)What do covalently bonded atoms form?    __________________________   b) Describe the…

A:

Q: 1. What is fusion?      a. What is it used for?      b. What is the beginning atoms?      c. What…

A: Nuclear fusion is the reaction in which two or more light atomic nuclei are combined to give another…

Q: If a→-b→ = 2.4c→, a→+b→ = 2.1c→, and c→=1.9î+5.1ĵ, then what are (a) the x component of a→, (b)…

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Q: 2. Calculate the equilibrium saturation ratio (Seo) over a pure water droplet (p; = 1000 kg m3) that…

A: Given data= ρ=1000 kg/m3radius(r)=0.2×10-6mtemperature(T)=150C=288Kσ=72×10-3N/mRv=watervapor gas…

Q: 8. What is the difference in packing efficiency between the hcp structure and the ccp structure?

A: as per our guidelines we are supposed to answer only one question. Kindly repost other questions as…

Q: 1. What property of the electrons in a metal enables it to conduct electricity readily? What about…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 8. What is formed when there is fusion of deuterium and tritium? a. Helium-2 b. Helium-3 c. Helium-4…

A: When deuterium and tritium fuse, they produce a Helium give out energy.   deuterium-H12 tritium-H13

Q: 14. How many protons, neutrons and electrons are in the neutral atom of 35,„CI? A. 17 protons, 15…

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Q: A-Draw [313] and (101) B- Calculate the number of atoms / unit area for (111), (110), (100) for the…

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Q: 7. The half life of Thorium is 75,000 years. How much of a 635 gram sample will be left after…

A: Half life of Thorium is , T1/2 = 75000 years  Initial Quantity , N0 = 635 gram Time elapsed , T =…

Q: 1. Consider cobalt-60 (60Co) with a half-life of 5.25 years. How many years will it take for its…

A: Given, Half life of Co-60 is 5.25years

Q: We're told oxygen is the most common element in the Earth's solid crust. But how much oxygen is…

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Q: A drug has a half-life of 6 hours. The drug is administered by I/V injection, and immediately after…

A: Half-life is the time required for a quantity to reduce to half of its initial value.…

Q: 1. (i) What is active element? Give two examples of both active and passive elements. (ii) What is 1…

A: In engineering, passivity is considered to be the most influencing property. In general, electronic…

Q: 38) What is the measure of ZC? C b 35° A O A. 105° 12 40° B

A: Given Data : The angle A is given as A = 35o. The angle B is given as B = 40o.

Q: Determine the number of protons, neutron, and electrons in each of the following species  35-Cl17

A: Given : Species 35-Cl17 Here, Mass number = 35  Atomic number = 17

Q: 19) What is the amount of starting material when 0.35-g remain and the number of half-lives is 2.72…

A: Let N be defined as the amount remaining. Therefore, N=12nN0N0=2nN Here, N0 is the initial amount of…

Q: a) Distinguish between KVL and KCL

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Q: Archimedes’ principle can be used to calculate the densityof a fluid as well as that of a solid.…

A: Given : Mass of iron when it is in air (M) = 390 g Apparent mass of iron when it is completely…

Q: 2. If the birth rate was 1.3%, how many individuals were born that year? O2,683,450 O 3,144,591…

A: Given  Population total in 2018 is = 241,891,650 To find Individuals born that year

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: