How is randon gas 222 dangerous?

Q: 2. Can hydrogen peroxide be broken down by catalysts other than those found in living systems?…

A: Interpretation - We have to explain that can hydrogen peroxide be broken down by catalysts other…

Q: If a patient is administered  10 ng  of  technetium−99m,  how much will remain 1 d later, assuming…

A: The number of half lives present in 1 day (24 hours) is 4.

Q: Consider the radioisotope ²²⁶Ra (half life = 1.60 × 10³ years). What is the first order rate…

A: Using the formulas of first order kinetics we can solve this problem.

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

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Q: Strontium-90 is one of the radioisotopes released in the Chernobyl nuclear plant accident. The…

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Q: why is it important to both purge the bomb and refill it with o2 at high pressure

A: Bomb calorimeter is used to accurately determine the heat of combustion.  In bomb calorimeter, it is…

Q: What are the uses of carbon-14 in the field of chemistry ?

A: Carbon plays a very important role in organic chemistry. Carbon has three isotope C-12, C-13, C-14 .…

Q: Given a solution containing 0.010 M CaCl2 and O.020 M MgCl2, what is the activity of Ca2+? O 0.0034…

A: Given: Concentration of CaCl2 = 0.010 M And concentration of MgCl2 = 0.020 M

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

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

Q: Write balanced equations for the decays of 11C and 15O, both of which are used in positron emission…

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Q: when it died. How much remains after 5 half lives

A: As we know, Radioactivity follows first order kinetics. So, after nth half life time , amount(A)…

Q: If a patient is administered  60 ng  of  technetium−99m,  how much will remain 1 d later, assuming…

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Q: Complete the following equation:   131 I53  →   β + _________

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Q: 5) The rate of a chemical reaction can be expressed in a. Grams per mole b. Energy consumed per mole…

A: Please find your solution below : The rate of reaction is generally expressed as the concentration…

Q: 5. Manganese-56 has a half-life of 2.6 hours. How much manganese would have disappeared after 7.8…

A: Given, Half life of Manganese-56 = 2.6 hours Initial amount of manganese-56 = 20 g Amount of…

Q: A current 1.00-g sample of carbon shows 921 disintegrations per hour. If 1.00 g of charcoal from an…

A: Given the initial activity of C-14, Ao = 921 disintegration/hour or 921 dph Current activity of the…

Q: This section indicates the exposure limits, engineering controls, and personal protective measures…

A: Section 8: Exposure Controls/Personal Protection.

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: Why toxic effects of carbon monoxide are strong in case of human beings?

A: Carbon monoxide is a neutral oxide which does not show basic or acidic properties when dissolved…

Q: Cobalt – 60 used in cancer therapy, decays by beta and gamma emission. The decay constant is…

A: Consider the given information is as follows; Decay constant λ = 4.18×10-9/s Half-life t12 = ?

Q: half-life of radioactive elements. 18g Hydrogen is supplied 5 points with 170g air to produce water.…

A: Half life of radioactive element:  half-life, in radioactivity, the interval of time required for…

Q: QUES 27 How many grams of oxygen are needed to produce 59.2 grams of water 2H2 + 02 -> 2H20

A: In this question, we want to determine the mass of Oxygen gas in grams. How we can calculate the…

Q: 45. The derived air concentration (DAC) is the concentration of A. 0.5 ALI B. 1 ALI C. 2 ALI D. 100…

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Q: What is the natural source of N20 in the atmosphere?

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Q: half-life

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Q: 5. Calculate the mass of CO2 evolved in the complete decomposition of a 2.943-g sample. containing…

A: Metal carbonate salt upon dissociation gives carbon dioxide and metal oxide. Write down the…

Q: A drug has a half life of 12 hours. How much of the drug will remain in the patient 36 hours after…

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Q: How long will it take for a 28 g sample of ²2ºRa to decay to 3.5 g?

A: Given data, The initial mass of sample = 28g The final mass of sample = 3.5g

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: 4He 4.00260 3H 3.01605 1.00783

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Q: Fill in the missing symbol in this nuclear chemical equation. H + H - 0

A: This is a nuclear chemical reaction.

Q: hi, can you solve this ? The Cl isotope is a radioactive isotope that emits beta radiation and has…

A: Radioactive reactions are generally of first order. First order reaction indicate that rate of…

Q: The half-life of plutonium-239 is 24,100 years. How long will it take for a 100 g sample of…

A: Given,  Half life, t1/2 = 24100 years Initial amount = 100 g Reduced amount = 25 g Formula Used…

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: Based on Plutonium's half-life, why is it so hard to dispose of?

A: According to research,  Plutonium has two isotopes, Pu-239 and Pu-241.  Here, Plutonium-239 has a…

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: In the reaction In → 1p + ?, the missing particle is: [A] n [B] B [C] B* [D] a

A: Given,

Q: Oil and fat containing food items are flushed with nitrogen. Why?

A: Oils and fats contain saturated and unsaturated fatty acids in different ratios. These oils and fats…

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…

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Q: Fill in the missing symbol in this nuclear chemical equation.

A: Given  92 U^238+ [] ->  92 U^239

Q: Nitrogen -13 has a half-life of 10 minutes .What amount of a 16 mg sample would remain after 30…

A: Nitrogen-13 has a half-life of 10 minutes. How much of a 16 mg sample would remain after 30 minutes.…

Q: Fill in the missing symbol in this nuclear chemical equation. ?

A: In balanced nuclear reaction sum of mass number of reactants = sum of mass number of products sum of…

Q: Jania.20 Chapter 3 3.100 When 1.0 9 of gasoline burns, it releases gasoline 0.749/ML SI (3.4.3.6) A)…

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Q: Given a solution containing 0.010 M CaCl2 and 0.020 M MgCl2, what is the activity of Cl? O 0.046…

A: For a dilute solution, we know that activity will be the same as that of the concentration.  Here,…

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.