13. The stable nucleus formed when an unstable nucleus of 137 Ba emits a gamma ray is 56 a) Ba 137 56 d) 137 57 138 133 .Xe

Q: The maximum energy needed for a reaction to occur is called the activation energy. Is this statement…

A: To solve this problem we have to know about activation energy .

Q: The solubility of an ionic compound M₂X3 is 3.6 10-17 g/L, and the molar mass is 188 g/mol.…

A:

Q: Question 7 Calculate the energy emitted when an electron in a hydrogen atom transitions from the n =…

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Q: Identify the type of reaction: CH3-CH2-OH + O₂ →2CO₂ + 3H₂O + energy

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Q: _d + ↓

A:

Q: a citrate buffer of pH 4.5, if you have 500.0 mLs of 0.750 M citric acid (Kay-7/ M NaOH, and…

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Q: Listen What is the pH of a solution prepared by dissolving 93.1 g NaOH in enough water to make 3.4 L…

A:

Q: Kindly solve this question in 20 minutes and get the thumbs up Please show me neat and clean work…

A: To solve this problem we have to know about the bonding in water molecules .

Q: Н 0 H

A: As an analgesic and antitussive, hydrocodone is an opioid agonist. A synthetic opioid derived from…

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A: Identify the best reagents for the above organic conversion.

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A: Given: Bore size = 121 mm  and bore size in caliber = bore size in inches *100  since 1 in = 2.54 cm…

Q: Consider the equilibrium shown below: CaCO3(s) C»0)+CO1 What would happen to the system if the total…

A: Given : equilibrium reaction Tip : addition of inert gas does not effect in equilibrium position

Q: 1.a) A scientist shines lights at a metal, but does not detect the release of any electrons. In…

A: Given reaction is nucleophilic substitution reaction , it is gone through Sn1 reaction

Q: The reaction 2H₂O₂ 2H₂O + O₂ has the following pathway: H₂O₂ + H₂O +10 H₂O₂ +10 H₂O+O₂ +1 The…

A: Given : reaction

Q: How many grams of MgCl2 are present in 45.0 moles of MgCl2?

A: Given -> Moles of MgCl2 = 45.0 mole

Q: 4 Listen In the presence of ultraviolet light, the "inert" gas xenon (Xe) will react with fluorine…

A:

Q: please draw the most stable conformer of cis-1-ethyl-2-methylcyclohexane as a Newman projection.

A: By observing the C6-C5 and C2-C3 bonds of the aforementioned boat conformation, the Newman…

Q: 57 A radioactive element X decreases from 360 mg to 90 mg in 1800 seconds. What is the half life of…

A: Answer:- The radioactive decay follows the first order kinetics. So, using the integrated rate law ,…

Q: Part A: Multiple Choice Identify the letter of the choice that best completes the statement or…

A: 1). Tin is in +4 oxidation state, therefore Total 50 protons, (120-50 = 70) neutrons,  46electrons .…

Q: Which of the following has the highest melting temperature? H₂O CO₂ S8 MgF2 PA

A: MgF2 has highest melting point from all.

Q: Which of the audic proton? . Н 0* -following compounds includes the most H H 1-H ↑ answer H

A: AH  =   A-  +  H+ Greater the stability of conjugate base (A-) higher will be the acidic nature of…

Q: Arrange the following in increasing oxidation number for Chromium: Cr3+ ; Cr metal ; Cr2O7-2

A: Cr metal ( lowest ) < Cr3+ < Cr2O72- ( highest )

Q: Which of the two compounds shown is more polar? Which of the two compounds would have the highest…

A: TLC- Thin layer Chromatography. It is useful checking progress of organic reaction

Q: For what reason(s) would HBr NOT be an ideal reagent for the reaction shown below? 31-34 CH₂ H₂C H₂C…

A: The given reaction is an example of SN1 reaction. The first step of the SN1 reaction is the…

Q: sited STP (standard temperature and pressure) is used as a reference point for the molar volume of…

A: Given:  Initial volume of gas, V1 = 6.19L  Initial temperature, T1 = 0°C = (0+273)K = 273K  Initial…

Q: The standard reduction potential for Zn2+(aq) + 2e− → Zn(s) is −0.76 V, when the reaction is…

A: Given -> Zn2+(aq) + 2e- ----> Zn(s) E°= -0.76 V

Q: When a water molecule forms a hydrogen bond with another water molecule, which atoms are involved in…

A: Given : water molecules forming hydrogen bonding

Q: You carry out the reaction represented by the following equation: N₂(g) + 3H₂(g) 2NH3(g) You add an…

A: Bartleby does not provide handwritten solutions, so providing you with a typed solution.   Given,…

Q: Consider 1 mol of N2(g) at room temperature. Calculate the number of molecules in the ground…

A: One mole of a gas contains Avogadro's number of molecules, which is approximately 6.022 x 10^23…

Q: If you measured the rotation of a compound at -16.56° in a cell that is 0.98 dm in length. And your…

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Q: A solution contains 1.10×10-² M sodium hydroxide and 8.54x10-³ M ammonium sulfide. Solid iron(III)…

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Q: 23 An electron in a one-dimensional infinite potential well of length L has ground-state energy E₁.…

A:

Q: the following question based on the chemical equation below.                                     2…

A: Given -> Moles of C2H6 = 3.85 mole  Moles of O2 = 15.0 mole

Q: How many resonance structures, if any, can be drawn for the nitrate ion (NO3-)? (a) 1 (no resonance)…

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Q: True or false When 200 g of propane undergoes complete combustion, the volume of oxygen gas…

A:

Q: Listen True or false? A minimum energy called the activation energy is needed for a reaction to…

A: Given : about Activation energy

Q: Consider the following Infrared spectrum. What functional group can you identify in the diagnostic…

A: IR spectra identify the structure of molecule of based on the stretching frequency of bonds. Each…

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A:

Q: The Lewis Structure of QO32-, shows that the compound forms:  (Q is the element symbol for Quinium…

A: Lewis Structure is simplified representation of the valence shell electrons in a molecule. It is…

Q: 1 Br

A: -> If most preority groups on double bonded carbons are on same side then it is Z configuration.…

Q: Balance the following oxidation-reduction occurring in acidic solution and then answer the following…

A: Given , Reaction :  MnO4-(aq) + Co2+(aq) →Mn2+(aq) + Co3+(aq)

Q: Rank the bold-faced hydrogens for the following compounds from most acidic to least acidic. H H…

A: A-H   =   A-  +  H+ Greater the stability of A- (Conjugate base) higher will be the acidic nature of…

Q: 5. What functional group is found in the bond formed when amino acids link together to form a…

A:

Q: The formation of methane from carbon and hydrogen has K, = 8.1 x 108 at 298 K. C(s, graphite) +…

A: Answer: In this question formation reaction of methane is given to us and by formulating ICE table…

Q: Provide structures for the following names:

A: The drawing of structure of any organic molecule has simple steps-  1- draw the longest carbon chain…

Q: Which of the following would represent the greatest pressure? 0.662 atm 265 mmHg 12.2 psi 65465 Pa…

A: Given, the pressure values: 0.662 atm 265 mmHg 12.2 psi 65465 Pa 21.8 in We have to find the value…

Q: Calculate the oxidation number of each of the indicated C-atoms and type it into the blank include…

A: In a C-H bond, H atom decreases the oxidation number of C by one unit.  C—C bond dose not alter the…

Q: The total mass of a solution is 159.0 g. The solvent mass is 125.2 g. What is the mass percent of…

A: Bartleby does not provide a handwritten solution, so providing you with a typed solution for your…

Q: What happens to the Vmo and Vphth if the burette was contaminated with KOH in soda ash sample? A.…

A: Usually, soda ash contains sodium carbonate and often sodium hydroxide and sodium bicarbonate.…

Q: At a constant temperature, a sample of a gas in a balloon that originally had a volume of 8.0 L. and…

A: According to Boyle's law, the product of pressure and volume is constant at constant temperature.…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.