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

Q: 22. A mixture of natural gas and air is stable at room temperature. However, if a piece of metallic…

A: The substances that are employed to produce heat along with the liberation of other gases are termed…

Q: Fill in the missing symbol in this nuclear chemical equation. 16 Ço + 'H - ""N +0 13

A: We can balance nuclear chemical equations by using two points: The sum of the mass numbers(A) of…

Q: Calculate the mass equivalent of the energy released by the complete combustion of 2 mol of methane…

A: Given, Number of moles of Methane = 2 mole  Energy released for the combustion of methane = 1780 KJ…

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: 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…

A:

Q: Calculate the mass equivalent of the energy released by the complete combustion of 2 mol of methane…

A: Given that : Number of moles of methane used = 2 moles Energy released on combustion of 2 moles of…

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

A:

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: A sample initially weighs 48 g. How much would remain after 3 half-lives?

A:

Q: Hydroxyl radicals can pluck hydrogen atoms from molecules (“hydrogen abstraction”), and hydroxide…

A:

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: 19. SO3² 20. NO, 21. H,О*

A: The question is based on the concept of chemical bonding.   by using VSEPR theory , we have to…

Q: Suppose UMKC Volker campus has twelve thousand students. In average car possession rate by these…

A:

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: In group 16 , why oxygen shows abnormal behaviour ?

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

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: 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: Complete the following fusion reaction. H+lLi>;n+ __ O 2{He O 'He O°Be 4.

A: Complete the given fusion reaction---

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…

A:

Q: Radon is a naturally occurring radioactive gas found in the ground and in building materials. It is…

A: From Ideal gas equation, Density of the gas can be calculated. By using following formula we can…

Q: What are the emission rates of formaldehyde from smoking?

A: What are the emission rates of formaldehyde from smoking?

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

A:

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

A: This is a nuclear chemical reaction.

Q: Fill in the missing symbol in this nuclear chemical equation. 16 4 O + H +He 8 2

A: Fill the missing symbol in this nuclear reaction--

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: If you start with 150,000 atoms of carbon-14 that goes through 4 half-lives, how many atoms will…

A: Half life is defined as the time required by the substance to decompose to half of its initial…

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: (c) The student repeated the experiment using the same mass of pure barium. The student found that a…

A: c. ) i ) To explain why the smaller volume of hydrogen gas produced at RTP when calcium and barium…

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: Convert 2.735 KK to ∘C∘C (average temperature of the universe as measured from background blackbody…

A: In this question we have to convert following value of temperature from Kelvin to celcius ( K to °C…

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: 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: Determine what the differences are between Hydrogen-3 and Helium-3 as well as Carbon-14 and…

A:

Q: ? + a → 263D6 + n [A] 2 !15A9 [B] 2 106RH [C] 258M [D] 260LF

A: From emission of an alpha particle atomic number is decreased by 2 and atomic mass is decreased by…

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: 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: What is the number of Cl atoms in a 784 gram pure sample of NC13? 18 VIA SA

A:

Q: n your own words, explain the "Law of Mass Action".

A: Given : We have to explain law of mass action.

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: 1. the sourness of lemon 2. 1.5 L of Cola 3. weakened lungs caused by mercury inhalation 4. mixing…

A:

Q: mercury in both tubes. Based on the change of in the level of mercury in the figure, which reaction…

A:

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.