16. Based on the Bohr model of the atom, if an electron underwent a change from n = 2 to n 3, would the atom emit radiation or absorb radiation?

Q: What is the binding energy in kJ/mol La for lanthanum-138? kJ/mol 57 H+ 81,n-→ The required masses…

A: Given-> Atomic mass of La = 137.90680 g/mole mass of Proton = 1.00783 g/mole Mass of neutron =…

Q: Draw a structure for the major product in each of the following reactions DMSO OTs CI NaOCH;

A: An acyl substituted compound and an alkene will be the major products for these given reactions.

Q: 6. When will you use each of these methods in chemical analysis?

A:

Q: The half-life of cesium-129 is 32.0 hours. How much time is required for the activity of a sample of…

A:

Q: C atom of a carbonyl?

A:

Q: Br. FeBr, CH Br 2.

A:

Q: Following is an ---- and called ---, respectively. ester, methyl hexanoate ester, methyl butanoate…

A: ->Functional group are atom or any group of atom which give the specific properties to the…

Q: the pressure of the gas?

A:

Q: Q1. Write down a detail step by step mechanism for the formation of 1-Bromobutane and 2-chloro-2-…

A: As per Markovnikov rule , the electron-rich component of the reagent adds to the carbon atom with…

Q: Which of the following is a means of creating a buffer of H2CO3/NaHCO3? A) Mixing 10 mL of 1 M HNO,…

A: -> Buffer contain weak acid or weak base with their conjugate base or conjugate acid…

Q: Determine systematic name of HBr(aq). A.) selenide ion B.) bromic acid C.) hydrobromic acid D.)…

A:

Q: What pressure is exerted by 25.0 g of neon gas at temperature of 25 °C if the original temperature…

A: Given-> Weight of Ne = 25.0 gm T2 = 25°C = 25 + 273 = 298 K T1 = 50.0°C = 50.0 + 273 = 323 K P1 =…

Q: How much heat is gained by nickel when 281 g of nickel is warmed from 21.5 °C to 55.7 °C. J The…

A:

Q: please indicate where the arrows should how many electrons they carry with them go and CH3 CH3 1.…

A: The step of mechanism has been solved in the following step.

Q: Jse your solubility table in the back of the lab manual to complete the following tables. Li Mg²- […

A:

Q: Which of the following describe(s) the following reaction? Choose all that apply. 14N + He 70 + H O…

A: The reaction given is,

Q: You mix 10.0 ml of 10.0 µM NAOH with 10.0 mL of 5.00 uM Pb(NO3)2. a) What is the value of Qp? Give…

A:

Q: What volume of 2.036 mol L-1 solution of LIOH is required to make 7.80 L of a solution with a pH =…

A: Given :-  Initial concentration of LiOH solution = 2.036 mol.L-1  pH of final solution = 12.80…

Q: A tank of argon gas with a pressure of 0.980 atmatm at -12∘C is heated to give a pressure of 1190…

A: Initial pressure, P1 = 0.980 atm 1 atm = 760 torr Initial pressure, P1 = 0.980 atm = 744.8 torr…

Q: When the rate of the reversible reaction A + BSC is studied under a certain set of conditions, it is…

A: From the rate law expression of this reaction we see that reaction is zero order with respect to…

Q: electronegativity

A:

Q: is the diphenylmethane generated from friedel-crafts reaction with DCM solid or liquid?

A: Reaction is as below- Diphenyl methane is obtained when excess benzene is treated with DCM in…

Q: statement false? AH° AS° = T K=0 InK=0 AG°=0 no false statements:

A: As per the rules only one question can be answered. Therefore here only the first table representing…

Q: C,HsO,C, Co,CHs čo,C,Hs CH,CH,COOH

A:

Q: Draw the organic products formed in each reaction.

A: a. When cyclohexyl methanol is treated with chromium trioxide in presence of sulfuric acid and…

Q: The nitrogen and protein content of a 2.8391 g sample of milk was determined using Kjeldahl…

A: Given: Volume of HCl = 25.00 mL Concentration of HCl = 0.250 M Volume of NaOH = 31.65 mL…

Q: s the mode of decay for strontium-81 ?

A:

Q: Starch (found in corn, rice, etc.) can be best classified as a/an ----.   Question 21 options:…

A: Here, we have to determine how starch can be classified.

Q: Excess Raney Ni, H2

A: Answer

Q: - As ample of Potassium chlorate (15 g) is dissolved in 201 g of water at 70 °C, the solution id…

A: Given that, the 15g potassium chlorate is dessolves in 201g of water at 70 degree C. Then the…

Q: Identify the type of reaction: 1. Conversion of trans-1-chloro-2-methylcyclopentane to…

A: In both the given reactions there is elimination of H and Cl group from adjacent carbon atoms to…

Q: According to the ideal gas law, a 0.9446 mol sample of kryYpton gas in a 1.432 L container at 270.5…

A: Given data :

Q: mass%

A:

Q: When the compounds analyzed by Robrob were passed on to the next test, another scientist, Kikoko,…

A: Given: Concentration of 20 % (w/w) solid active compound (M1) = ? Volume of 20 % (w/w) solid active…

Q: 100 Donald O'Scientist is given a 0.964 g sample of a weak base was titrated with 0.1 M HCI and the…

A: Given: Mass of base = 0.964 g. Concentration of HCl = 0.1 M And the titration curve given is,

Q: What is the binding energy in kJ/mol Sb for antimony-123? |k]/mol 51 H+ 72;n Sb The required masses…

A:

Q: What is the reaction of corn oil and sulfuric acid? What happens in Friedel-Crafts Reaction with…

A: Unsaturated fats will react with sulfuric acid to form C-O-S bonds where carbon from oil will attack…

Q: enols and enolates?

A:

Q: Reaction is not spontaneous at low temperatures, but becomes spontaneous at high temperatures.…

A:

Q: A radiation has the frequency of 1.88 x1015 Hz , calculate  energy of photon.

A:

Q: CH3 CH3 1. BH3, THF 2. NaOH, H,O, Н-02 H3C CH2 H3C Alkenes can be hydrated via the addition of…

A:

Q: Butenes, such as 1-butene undergo isomerization in the presence of a catalyst to form isobutene…

A: The equilibrium reaction given is, Given: K = 0.72  Pressure of 1-butene = 1.79 bar. And the…

Q: Name the major product of the reaction between (S)-2-bromohexane and KCH3COO

A: (S)-2-bromohexane is an alkyl halide and the acetate ion acts as a nucleophile. Nucleophilic…

Q: A vessel containing 3 mol of an ideal gas, initially at 4 atm and 50 °C, is heated until the…

A: The answer is given below

Q: A) O B) S C) Se D) Te E) Po

A: On going down the group, the atomic radius increases.

Q: Use Le Chatelier's Principle to answer the questions about the following reversible reaction: N2O4…

A: ->According to Le-chatelier principle if equilibrium is disturbed by changing factors or…

Q: For a specific molecule the ground state is nondegenerate while the first excited state is doubly…

A:

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. 201 Hg

A:

Q: Triacylglycerols hydrolyze to form --- and ---.

A: Given :- Triacylglycerols hydrolyze to form -_____ and _____ To identify :- molecules that are…

Q: In the open ended manometer (open to the atmosphere) pictured below, what is the pressure of the gas…

A: To find pressure of gas in the bulb, use appropriate condition for open ended manometer and…