If the human exposure to more than 100 rem radiation than he will be die. O True O False

Q: Were organisms a billion years ago exposed to more or lessionizing radiation than similar organisms…

A: Ionizing radiations have sufficient energy to remove electron from molecules or atoms they strike.…

Q: What two processes are represented by the following transmutation reaction? 1271 + In - - > 128Xe +…

A:

Q: How many half‑lives of the unknown radioactive substance have occurred?

A: As we know that decay of radioactive substance follows first order kinetics

Q: A 75-kg man has a dose of 32.8 rad of radiation. How muchenergy is absorbed by his body? Compare…

A: 1 rad indicates that 0.01 joule of radiation is absorbed by per kilogram of the body. Hence, the…

Q: Write a partial decay series for Th-232 undergoing the sequential decays: a, B, B, a.

A: α decay means atomic mass reduce by 4 and atomic number reduce by 2. β decay means no change in…

Q: The half-life of 238U is 4.5 * 109 yr. A sample of rock of mass 1.6 gproduces 29 dis>s. Assuming…

A: The given data contains, mass = 1.6 g. half life=4.5×109 year.

Q: If a 55-gram laboratory mouse has a dose of 20.5 rad of radiation, how much energy is absorbed by…

A: The rad is a unit of absorbed radiation dose. It is defined as 1 rad=0.01 J/kg. It is original…

Q: The following equation is an example of:   0 1n     +     92235U  ----à  36 91Kr     +    56142Ba…

A: Fusion, fission, natural decay and transmutation are different types of nuclear reactions. Nuclear…

Q: Write a partial decay series for Rn-220 undergoing the sequential decays: alpha, alpha, beta, alpha

A: Rn-220 is radioactive. Alpha and beta decay are common modes of radioactive decay. During alpha…

Q: 10.4. Write the balanced equations for the following nuclear reactions: c) 23U + ¿n→4? d) 32U + -{ß…

A:

Q: A 3.6-kg laboratory animal receives a single dose of 8.92×10-4 Gy. (a) How many rads did the animal…

A: (a) Given data contains, Mass of laboratory animal is 3.6-kg. Dose received is 8.92x10-4 Gy.

Q: A sample of copper-64 gives a reading of 83 counts per second on a radiation counter. After 9.1 h,…

A: Answer : We can use first order kinetics to calculate half life of the reaction . Initial count and…

Q: Suppose that 10 units of beryllium are present in a living organism and that the half-life of…

A: Here i have calculated the age of material

Q: Complete

A: Since you have asked a question with  multiple sub-parts, we will solve  first three sub-parts for…

Q: A sample of copper-64 gives a reading of 88 counts per second on a radiation counter. After 6.3 h,…

A:

Q: During work with a radioactive source, a worker was told that he would receive 45 mrem at a distance…

A: Given: During work with a radioactive source: worker receive 45 mrem at a distance of 7.0 m during…

Q: If a 55-gram laboratory mouse is exposed to 20.5 rad of radiation, how much energy was absorbed by…

A: If a 55-gram laboratory mouse is exposed to 20.5 rad of radiation, then the energy absorbed by the…

Q: A wooden artifact is found in an ancient tomb. Its carbon-14   activity is measured to be 61.0% of…

A: Activity of carbon-14 = 0.61 R/Ro = 0.61 We will use the below equation for decay process- R=…

Q: A radioactive isotope decayed to 17/32 of its original mass after 60 minutes. Find the half-life of…

A: All radioactive decays follows first order kinetics . The integrated rate equation for first order…

Q: Why do high-altitude jet flights increase a person’s exposure to background radiation?

A: The background radiation is the high-energy radiation is considered to be cosmic radiation. These…

Q: List the effects of short-term exposure to radiation?

A: The effects of short term exposure to radiation has to be listed.

Q: Describe the biological effects of radiation?

A: In a nuclear reaction, the two nuclei collide with each other forming two or more nuclides. The…

Q: a 45.91 mg sample of a pure radioisotope has a half-life of 52 days, what will be the mass of the…

A: Given 45.91 mg sample of a pure radioisotope has a half-life of 52 day mass of the original…

Q: A 1.50-L gas sample at 745 mm Hg and 25.0 °C contains 3.55%radon-220 by volume. Radon-220 is an…

A: The rate of the reaction is referred to the change in the molar concentration in the distinct…

Q: Many individuals who fought fi res at the Chernobyl nuclear disaster site were exposed to 0.25 Sv of…

A: The Chernobyl accident happened in April 1986 in Ukraine in which an explosion of reactors occurred…

Q: 10 half lives

A: 1/1024 fraction of original radioactive material remains after 10 half lives.

Q: 3. Initially 100 millions of radioactive substance was present. After 6 hours the mass has decreased…

A: Given, Radioactive substance is = 100 million. Time is = 6 hrs for mass decrease by 6%. The rate of…

Q: sample

A: We will calculate t1/2 by the help of given information

Q: Half life of radionuclide is 15.0 minutes. How many grams of 10.0 g will remain after 2.00 half…

A:

Q: If a radioisotope's half-life is 2 minutes, after two half-lives there is left   0% of the original…

A: Given, a radioisotope's half-life is 2 minutes.we are asked to calculate the amount of original…

Q: In the reaction shown, the radiation produced is a(an) 66 66 29 Cu 30Zn + ?

A:

Q: Complete the following nuclear decay process: ²³⁵₉₂U → ⁴₂He + ___ A) ²³⁹₉₄Pu B) ²³¹₉₄Pu C)…

A: Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle and…

Q: Suppose the intensity of radiation from a given source is 150.0 radsat 1.5 miles, how far away from…

A:

Q: Exposer to radiation more than 98 rem must lead to genetic damage. * True

A: Exposer to radiation more than 98rem must lead to genetic change

Q: b. ? + Li → 25HE Balanced equation: OA. a-decay ов в-decay OC. Fission D. Fusion OE. Other

A: In nuclear reaction, Balanced equation means number of proton and mass number in reactant side is…

Q: rmine the type of nuclear transmutation shown by ach of ollowing reâctions: alpha decay, beta decay…

A:

Q: A 1.50-L gas sample at 745 mm Hg and 25.0° C contains 3.55% radon-220 by volume. Radon-220 is an…

A: In the gas sample, volume of radon-220,V = 1.50 x 0.0355 = 0.053 L.

Q: 18AL → si + Pasiren Radiation Particle Emitted:

A: Beta particle occurred when ratio of neutron to proton is high

Q: A 180.9 ng sample of an unknown radioactive substance was placed in storage and its mass measured…

A:

Q: Which of the following nuclear reactions is used to produce the argest man-made elements? - emission…

A: Interpretation: We have to tell which among the following will produce largest man made elements .

Q: ____________________________ is the penetrating rays and particles emitted by a radioactive source.…

A: The penetrating rays and particles emitted by a radioactive source ??     1. Transmutation…

Q: An oxygen atom has been bombarded by an alpha particle and has lost an electron. This oxygen ion…

A: an oxygen atom has been bombarded by an alpha particle and has lost electron. During this process…

Q: What acute dose below will cause radiation sickness but not death?

A: At high radiation doses, a human cell can be damaged so severely that it will die. At lower doses,…

Q: Write down four main differences between artificial and natural radioactivity. In a nuclear…

A: As you have yourself asked for first three question, the answers are as follows-   Also some…

Q: Why did the series of nuclear fusion stopped when iron was formed? Explain briefly not more than…

A: Nuclear fission will stop at iron- 56. Iron- 56 has the highest bonding energy or highest mass loss.…

Q: 11. Which type of radiation does the most tissue damage when the emitter is internally ingested? a)…

A: In this question, we will see which type of radiation is most tissue damage.  You can see details…

Q: 85.0-kg person is exposed to 419 rad of radiation. How many joules did this person absorb?

A:

Q: Differentiate a transmutation from a decay.

A: given Differentiate a transmutation from a decay.