1. Direction: Solve and analyze the following problems: 1. How much energy is lost by 20 kg copper if it is cooled from 50°C to 30°C?

Q: Predict nuclear stability?

A: Introduction: Nuclear stability refers to the tendency of a nucleus of an atom to decay, which means…

Q: Describe Radioactive Decay Chains?

A: Radioactive decay: Radioactive decay means a process in which the unstable nuclei of an atom losses…

Q: C, D, E, F B A ΔΕ ? 1 above states A and B are four states, C, D, E, and F. There are no other…

A: Since you have posted with multiple subparts, we will provide the solution only to the first three…

Q: What gives the nucleus it’s positive charge?

A: nucleus positive charge

Q: Put a graph of the activity against time for a Sample for protactinium-234 use graph to find the…

A:

Q: Two protons in an atomic nucleus repel each other, but they are also attracted to each other.…

A:

Q: Why does a chain reaction not occur in uranium mines?

A: Naturally occurring uranium has 99.3 % of U-238 and 0.7% of U-235. Only the 0.7% of U-235 is…

Q: Which particle will not be affected by the presence of an electric field?  a Alpha  b Beta+  c…

A: the correct solution is:d) NeutronNeutrons are electrically neutral debris, which means they haven't…

Q: Explain the most hazardous aspect of the presence of dust contaminated with an alpha emitter to an…

A: Alpha particles have a very low penetrating power. Hence, the human-skin can block the direct alpha…

Q: How are beta emissions and electron capture useful in making atoms more stable?

A: In nuclear decay reactions (or radioactive decay), the parent nucleus is transformed into a more…

Q: Why does radioactivity take place?

A: Radioactivity is the process of emitting radiation.

Q: After 3 half lives a radionuclide is reduced in activity to what percentage of its initial activity?…

A: Scenario- A radionuclide's activity is reduced  after consecutive half lives. Given :  Number of…

Q: Cobalt―60 is a radioactive isotope with a half-life of 5.26 years and emits beta particles. i)…

A: Half life = 5.26 years Number of atoms = 2.5 ×1021

Q: What is beta particle?

A:

Q: Calculate the binding energy of iron.

A: Binding energy is the amount of energy required for removing all neutrons and protons from a…

Q: How do Urainum-235 split easily when it captures an additional neutron? It says that when a free…

A:

Q: (DIFF:D)A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5…

A:

Q: the symbol TO re carbon-12 and carbon-13. each isotope using superscripts and subscripts t epresent…

A: Isotopes are the elements that have same same atomic number but different mass number. The mass…

Q: How much ionising radiation is needed to get cancer? Explain how it will give you cancer?

A: Ionising radiation, such as gamma rays, X-rays and radioactive particles can cause cancer by…

Q: In the following reaction, which type of decay is occurring? 80 80- 35 Br 3Kr+ Obeta plus beta minus…

A: The process of spontaneous emission of an electron or a positron from the nucleus is called beta -…

Q: Using fusion splicing explain in detail the processes

A: To explain the fusion splicing is given below.

Q: Number of Ra-223 Nuclei 60 50 40 30 20 10 0 0 LO 5 10 15 20 Time/days 25 30 35

A: This is a problem regarding the Half-life of a substance. The half-life of a substance is defined as…

Q: Explain the main differences between alpha, beta, and gamma rays.

A:

Q: Draw a model to represent the nucleus of Oxygen 8. 15.999 Oxygen Mass Number 16 %3D

A: Oxygen has an atomic number of 8 and atomic mass of 16. It consists of 8 electrons and 8 protons and…

Q: mits an alp

A: solution of above prom is below:

Q: What percentage of reactant will remain after 120 seconds if the half-life is 60 seconds for a…

A:

Q: 13. After two half-lives, how much of the original sample would remain? 50% 6.25% 12.5% 25%

A:

Q: F7R of alpha particles is equal to

A: Alpha particle  exposure = 7R

Q: Fill the blank  the Lead 214 82Pb turn to Bismuth isotop 21483Bi ، When a nucleus radiates (…

A: 214Pb82 is a lead atom, having an atomic mass 214 and atomic number 82. It has 82 protons in its…

Q: according to te reaction 2 He + n Calculate tu binding energy

A:

Q: Why is radiation therapy used in treating cancer, when it can also cause cancer?

A: Radiation causes cancer but the effect of radiation on a patient of cancer is different. Radiation…

Q: Which of the radiation most danger? Alpha or gamma or beta and

A: Gamma rays and beta particles make up most of the fallout radiation immediately after a nuclear…