9.) Cesium-134 undergoes decay by B emission and has a half-life of 2.0 years. How much of a 3.50-g sample of cesium-134 will remain after 12 years? SHOW ALL WORK!

Q: How many kJ of energy are released to form one mole of 116Cd from protons and neutrons if the atom…

A:

Q: How many kJ of energy are released to form one mole of 81Br from protons and neutrons if the atom…

A: Answer: This question is based on Einstein's equation which suggest during a nuclear reaction mass…

Q: An 16 g sample of an isotope of Strontium-90 was formed in 1960 explosion of an atomic bomb at…

A: In what year will only 0.625 gm of strontium 90 remain?

Q: 4 35) The following nuclear reaction is known to occur: 2 H→ªHe This reaction is used in a fusion…

A: Given: Mass of 2H = 33.0 g Mass of electron = 0.00055 amu Mass of proton = 1.00782 amu Mass of…

Q: Predict the mode of decay of xenon-118

A: Xenon is a noble gas has an atomic number 54 and mass number 131. Isotope of xenon , 118Xe54…

Q: A 1.50 x 10-6 M solution of Khal Drogo’s potion was prepared by Daenerys in 1948 to make him…

A:

Q: Define the term Electron capture?

A: The term electron capture has to be explained.

Q: Write equations for these processes. a) Thorium-230 decays by alpha emission to form a lighter…

A: Nuclear transmutation: The process in which one chemical element is converted to another by…

Q: Which isotope is most likely unstable? 072Rb 20 Ne 10¹ 0¹B 160

A: Isotopes are members of a family of an elements that all have the same number of protons but…

Q: Hassium-269 decays (eventually) to thallium-205 in a process that produces 5 electrons and several…

A: The atomic number of Hassium is 108 and given mass number is 269. It is given that the decay of the…

Q: What is the element formed after this portion of the decay series?

A: ANSWERE IS GIVEN BELOW :

Q: Describe the process of electron capture?

A: Electron capture is a process in which the electron present in the inner shell of the atom is drawn…

Q: 13N is more likely to undergo electron capture than alpha particle decay. Explain why

A: In brief the stability of a nucleus depends on n/p ration or n/z ratio (neutron to proton ration)…

Q: An 39 g sample of an isotope of Strontium-90 was formed in 1960 explosion of an atomic bomb at…

A:

Q: 30. Calculate the maximum energy of the electrons emitted in the beta decay of ²B. 31 nrou.

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Q: How many half lives have passed if we measure 1 µg/g parent isotopes and 15 µg/g daughter isotopes…

A: Given: The amount of parent isotope in the rock sample = 1 μg/g The amount of daughter isotope in…

Q: What does the ? represent in the bombardment equation of nitrogen-14? 7N14 + ?- → 6C14 + 1H1 A)…

A: In this question, we will identify the particle for the given nuclear equation.  You can see the…

Q: Nuclear reaction differs from that of ordinary chemical reaction because? a.) In nuclear reaction,…

A: Nuclear reaction differs from that of ordinary chemical reaction reason is given below.

Q: Define the term half life , of a radioactive element.

A: The time it takes for one-half of the atoms of a radioactive material/elements to disintegrate are…

Q: What species is produced when californium-253 undergoes alpha particle emission? A) ²⁵²Bk B)…

A: It is given that californium-253 is undergoing alpha particle emission.

Q: The energy from solar radiation falling on Earth is 1.07 * 1016 kJ>min. (a) How much loss of mass…

A:

Q: Describe the six classifications of nuclear decay reactions. What is the most common mode of decay…

A: The six classifications of nuclear decay reactions are, Alpha Decay Beta Decay Positron emission…

Q: 6.) Cesium-134 undergoes decay by B emission and has a half-life of 2.0 years. How much of a 3.50-g…

A: Given:                 Half life of Cesium-134 is 2.0 years                 Taken mass of Cesium-134…

Q: What is the most likely mode of decay for each?(a) ¹¹¹₄₇Ag(b) ⁴¹₁₇Cl(c) ¹¹⁰₄₄R

A: Radioactive nuclie are unstable . They undergo spontaneous decay reaction by emission alpha, beta,…

Q: A laboratory investigation shows that a sample of uranium ore contains 5.37 mg of 238/92 U and 2.52…

A:

Q: An 22 g sample of an isotope of Strontium-90 was formed in 1960 explosion of an atomic bomb at…

A:

Q: The following equation models the beta decay of krypton-89 into rubidium-89. 89 0 89 → 30 Kr Rb + e…

A: ->Alpha particle is nuclei of helium which has atomic number 2 and atomic mass of 4. ->From…

Q: The overall hydrogen burning reaction in stars can berepresented as the conversion of four protons…

A: The change in the mass during the nuclear reaction is; total mH=4×mH=4×1.007825 μtotal mH=4.0313…

Q: What type of decay would copernicium-285 undergo?

A: Copernicium under goes alpha decay. Apha decay is 2He4. Reaction c is represented as alpha decay…

Q: If radium-223 has a half-life of 10.33 days, what time duration would it require for the activity…

A: Here we are required to find the time for  activity of the  sample to decrease 1.5% of its present…

Q: 10.2 Palladium-107 undergoes beta (B) decay (t₁/2 = 6.5 x 105 yr). How long will it take for 12% of…

A: The radioactive decay involves first-order rate kinetics.

Q: 6. When isotope bismuth-213 emits an alpha particle: a. Write out the nuclear equation: b. Which is…

A: Fill in the blanks by using suitable symbols---

Q: What species is produced when californium-253 undergoes alpha particle emission? A) 252BK B) 249 C)…

A: Nuclear decay occurs as the nucleus of an atom becomes unstable and releases energy in the form of…

Q: A 7/4 Be atom (mass = 7.0169 amu) decays into a 7/3 Li atom (mass = 7.0160 amu) by electron capture.…

A:

Q: A 8/5 B atom (mass = 8.0246 amu) decays into a 8/4 B atom (mass = 8.0053 amu) by loss of a β+…

A: Convert the mass of the beta particle into kilograms. 1 amu = 1.66 × 10-27 kg0.00055 amu = 0.00055 ×…

Q: What species is produced when californium-253 undergoes alpha particle emission? A) 252BK B) 24°Cm…

A: We have an element 253Cm which undergo alpha emission, we have to identify the species formed our…

Q: 1. Estimates show that the total energy output of the sun is 5x1026 J/s. What is the corresponding…

A: Given date--> Energy output of the sun = 5*1026 J/s We know that the Speed of light =3*108 m/s…

Q: A certain isotope decays by beta-decay with half-life of 24.11 days. One of the products is…

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

Q: Write the equation for the nuclear decay: electron capture by 10n . 49

A: When a parent nucleus capture electrons from the shell ( K electrons), then it is called electron…

Q: Half-life of Element X mass of 60 How much of the parent isotope exists after 3 half-lives? Element…

A: Initial mass of element = 100

Q: All 3 parts please.

A: (a)   Radioactive decay is the process in which unstable nucleus loses energy by emitting radiation.…

Q: Calculate the energy released by the alpha decay of californium–252.

A: Radioactive isotope consists unstable nuclei and it breaks down into stable nuclei with removal of…

Q: 22. A 15.0-mCi (millicurie) radioactive source runs for 2.63 hours. How many atoms have…

A: The given activity value in mCi is first converted to Ci and then to atoms/s as shown below,

Q: Au-198 has a half-life of 2.7 days. Complete the table for an initial sample size of 200 g Amount…

A: Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half of its initial value.

Q: The Sun radiates energy into space at the rate of 3.9 * 1026 J/s. How does this mass loss arise?

A: Given: The value corresponding to the energy radiated per second is 3.9×1026 J/s To find: How does…

Q: The half life of Au-198 is 2.7 days. If a sample starts with 100 grams of Au-198, how many grams…

A:

Q: Which of the following types of radiation would be able to pass through lead? Alpha particles Beta…

A: the radiation should have high energy to pass through lead.