4He 4.00260 3H 3.01605 1.00783

Q: Write balanced equations for each of the processes described below. (Use the lowest possible…

A: The electron capture is transformation of atomic nucleus in which an electron from the atom is…

Q: The half life of 15O is 122 seconds. If you start with a sample of 400g how long will it take to end…

A: Radioactive decay follows first-order kinetics. Hence, the integrated rate law for the radioactive…

Q: What fraction of a sample of ²P will be left after 42.9 d?

A: Given, the isotope is 32P. What fraction of 32P will be left after 42.9days?

Q: The vast majority (99.6%) of argon in Earth's atmosphere is 40Ar however the argon in the Sun is…

A:

Q: If we start with 1.000 g of strontium-90, 0.953 g will remain after 2.00 yr. (a) What is the…

A: Integrated rate equation for radioactive decay: k = 2.303tlog1.0000.953 k  = 2.3032.00 yr×0.0209  k…

Q: What is the energy associated with the formation of 1.35 g of He by the fusion of H and H? Substance…

A: E =∆mc2 is a well known formula.  We will use it here.

Q: Complete the following equation: 131 I53 → B+ 153

A: Given the incomplete nuclear reaction: I53131 → β + ? We have to complete this equation.

Q: Radium‑226226 (atomic mass = 226.025402 amu226.025402 amu) undergoes α‑decay to form radon‑224.224.…

A: Given:  Half life(t1/2) = 1.6 x 103 years Half life(t1/2) = 1.6 x 103 x 365 days Half life(t1/2)…

Q: The half-life of Uranium is 235 (U235) decaying to lead 207 (Pb 207) is 704 million years suppose an…

A:

Q: Why must a gas be incredibly hot for nuclear fusion to occur?

A: Nuclear fusion is a nuclear reaction in which the nuclei of two atoms fuse or combine to form a…

Q: U238 has a very long half life and decays through a series of daughter products ending with a stable…

A: As 92U238 has very long Half life and the daughter isotope lead is the last isotope. Daughter…

Q: H2. When the experiment was set up there was a large air bubble trapped inside the tube, how would…

A: Dalton's Law:According to the law of partial pressure that was given by Dalton, the pressure of the…

Q: Radium‑226 (atomic mass = 226.025402 amu) undergoes α‑decay to form radon‑224. The half‑life of this…

A:

Q: 6. Complete and balance the following equation. The missing term is ? + a → 263Db + n [A] 2 11SAg…

A: In the given reaction, and alpha particle is added and the missing term in the reaction needs to be…

Q: The half-life of Plutonium-241 is 9 years. How much of an initial 190 g sample will remain after 31…

A: The half-life of Plutonium-241, t1/2 = 9 years Initial mass of Plutonium-241, No = 190 g time…

Q: Radium decomposes at a rate proportional to the amount present. If half of the original amount…

A: It is given that that half of the original i.e. initial amount disappears after 811 years for…

Q: ) What fraction of a radioactive sample remains after one, two, and three half-lives have elapsed?…

A: Radioactivity is a nuclear phenomenon where nucleus of a heavy element undergoes spontaneous decay…

Q: How much phosphorus-32 remains from a 1.00 gram sample after three half-lives?

A: Given :  initial amount of sample i.e. ao = 1.00 g  To calculate :  amount of sample left after 3…

Q: Nuclear Decomposition of Radon: Accurate, balanced equations are written showing the decomposition…

A: When a nucleus emits an alpha (α) particle, its mass number decreases by 4 units and its atomic…

Q: How long will it take for 98.6% of a sample of 18879 Au to decompose (t1/2 = 8.8 mins)?

A:

Q: 2. The population of a country doubles in 50 years. HOW Imany juut habitants. 3. Radium decomposes…

A: Amount of radium is decomposing with respect to time and is proportional to amount present. Half of…

Q: What is the purpose of using Argon gas in ICP-MS?

A: In mass spectroscopy,  samples are ionized and identified as per their mass to charge ratio. Among…

Q: The half-life of radon-222 is 2.8 days. How many days would it take for the activity due to radon in…

A: Number of days for activity reduction to 2.8% of its original value can be calculated using first…

Q: Pu-241 undergoes electron capture

A: The electron capture is shown below-

Q: Consider the following:  48Ar; 98Rh; 190Os; 243Am Will all four undergo radioactive decay?

A: Stable nuclei which have atomic numbers up to about 20, have an n/p ratio of about 1:1 . Nuclei…

Q: How is randon gas 222 dangerous?

A: O

Q: If 32 g of such substance, the remaining amount be after 4 half-life is --- g 8. 16 O 2

A: Radioactivity Decay is a process in which an unstable nuclei looses energy by radiation. A material…

Q: write the nuclear fusion reaction for nitrogen- 14 fusing with Helium- 4.

A: In this question, we will write a nuclear fusion reaction between nitrogen and helium.  You can see…

Q: If 1.000 g of 226/88 Ra produces 0.0001 mL of the gas 222/86 Rn at STP (standard temperature and…

A:

Q: Chemical properties of ( Carbon-11 ) ?

A: We have to write Chemical properties of  Carbon-11

Q: If ötzi were indeed a recent corpse, made to look old by the harsh weather conditions found on the…

A: A radioactive substance can be defined as the substance that decays naturally and releases alpha…

Q: 1 gram of radium (226Ra) is separated from its decay products and then placed in an insulated…

A: Given: Initial amount of 226Ra = 1 g Time of decay = 60 days = 0.1644 years Hal-life of 226Ra = 1600…

Q: The half-life of Radium-226 is 13 years. How much of an initial 179 g sample will remain after 36…

A: Radio active reactions are first order reactions. Decay constant (k) = 0.693 / t1/2 Where, t1/2 =…

Q: A test of an automobile engine exhaust revealed that 3.7g of NO2 was emitted in 10 minutes of…

A: Mass of gas emitted in 10 minutes of operation = 3.7 g  We need to determine moles of gas emitted in…

Q: Are the following isotopes more likely to undergo fusion or fission Hydrogen-1 Plutonium-241…

A: Heavier isotopes are unstable isotopes and undergoes fission to smaller stable nuclei while lighter…

Q: When BF3 is bombarded with neutrons, the boron undergoes an α decay, but the F is unaffected. A 0.20…

A: The pressure of container is calculated in step two.

Q: Complete the following fusion reaction. H+Lin+ -> O 2; He O He O10 Be O Be

A: The nuclear fusion reactions are those in which two or more atomic nuclei are combined with each…

Q: Which of the following is(are) the product(s) of the fusion reaction ²H + ³H -->? A) 'H + *H B) “He…

A: For fusion Reaction :: 2H + 3H ---> ?

Q: Complete the following reaction, and determine the energy it releases: ¿n + U [Answer: Sr; 184.7…

A:

Q: How much faster does 235 UF6 effuse than 238UF6? A) 1.0086/1 B) 0.9957/1 C) 1.0043/1 D) 0.9914/1 E)…

A:

Q: 225AC? 17. By what series of emissions does Pa disintegrate to

A:

Q: Now consider the following nuclear reaction: 2H + 2n He 1

A:

Q: Charcoal samples from Stonehenge in England were burned in O2, and the resultant CO2 gas bubbled…

A: From the half-life of carbon rate constant can be calculated as; lnNN∘=-kt Where, N is the number of…

Q: nat is the energy associated with the formation of 4.40 g of ªHe by the fusion of iH P Substance…

A: H1 + H3 → He  +  heat  4change in mass mass converted to energy)=(1.00783 + 3.01605)…

Q: Radium decomposes at a rate proportional to its quantity present. Suppose that it is found that in…

A: Radioactive substances show disintegration by following first order kinetics.