elect the energy diagram that corresponds to this mechanism: Br :Br: •• (aq) (g) Br Br

Q: IF an unknown element has an atomic mass of 119 and a quantum number sequence of 5, 1, 0, +1/2…

A: Given that -  Atomic mass of element = 119  And, the sequence of all quantum numbers is = 5,1,0,+1/2…

Q: change in ell. e) If the cell potential as measured is 1.04 volts, what would be the reduction…

A: Emf of the cell is calculated as shown below: E°cell = E°cathode - E°anode

Q: After constructing a van't Hoff plot from the experimental data, a student determines the equation…

A: We would use van't Hoff equation and compare it would given straight line equation.

Q: Construct the molecular orbital diagram for H. Answer Bank 11 1 1s 1s Atom Molecule Atom H H H…

A: Molecule is composed of two or more than same or different atoms. A molecule has both bonding and…

Q: Calculate the pH at 25°C of a 0.0047 M solution of a weak base with a K, of 3.5 x 10-9. pH = %3D

A: Answer: Given data: Kb=3.5×10-9C=0.0047M

Q: The following information is given for tin at 1 atm: 1.939 x 10° J/g AHvap (2270.00°C) AHFUS…

A: We have to predict the amount of heat needed.

Q: For the cell shown, the measured cell potential, Ecet, is -0.3715 V at 25 °C. P(s) | H,(g.0.857 atm)…

A: Given- Ecell =-0.3715V  PH2=0.857atm Concentration of Cd2+=1.00M

Q: a. Discuss about how molecular spectra differ from the atomic spectra and why.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 4) The combustion of methane(CH4) produces carbon dioxide and water. Assume that 2.0 mol of CH4…

A: 4)  Given :- no.of moles of CH4 burned in presence of excess air = 2.0 mol  Actual yield of CO2 =…

Q: The substance ammonia has the following properties: normal melting point: 195.4 K normal boiling…

A:

Q: Imagine you wanted to compute the initial rate of a reaction, where the reactants combined changed…

A: In the scenario given in the question, we could have used continuous flow technique to determine the…

Q: How many o and ä bonds are in this molecule? H-C=C-c=N-H number of o bonds: number of a bonds:

A: We know that,  1 single bond = 1 sigma bond 1 double bond = 1 sigma + 1 pi bond  1triple bond = 1…

Q: 18  500 J of heat was added to 25g iron metal ( c = 0.45 J/g C) at initial temperature of 22C .…

A:

Q: Which one favors E2 reaction? A) isopropoxide ion B) tert-butoxide ion C) ethoxide ion D)…

A:

Q: The following information is given for copper at 1atm: AHvap(2567 °C) kJ/mol 305 boiling point 2567…

A:

Q: How many grams of water vapor would be required to occupy a 517 mL flask at 0.980 atm and 89.6…

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related by the ideal…

Q: 250 200 150 100 B 50 20 40 60 80 100 120 140 160 Time (min) The diagram aboveis the cooling curve of…

A: The graph displays gradual decrease of the temperature of any system w. r. t time also depicting the…

Q: 50  Calculate the ∆0H when 1 mole of methyl alcohol,CH3OH reacts with O2 and the product of…

A:

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 338. kJ during a…

A: Enthalpy change(∆H) = 338 KJ Work (W) = +135 KJ (positive because work done on the system)

Q: Classify these diatomic molecules as diamagnetic or paramagnetic. Diamagnetic Paramagnetic Answer…

A:

Q: It is the study of rate and mechanisms of chemical reactions is called?

A: Chemical kinetics:  The branch of chemistry which deals about the rate of reaction and factors…

Q: Indicate the hybridization of the specified atoms. Be sure to consider any lone pairs you added to…

A: The hybridization of organic compounds can be simply determined by counting the number of bonding…

Q: How much of a 0.15 g sample of U-238 after the passage of 3200 years? Half-life is 4.01x10^9 years.

A:

Q: How many o and ä bonds are in this molecule? H EC-H number of o bonds: number of 7 bonds:

A:

Q: The decomposition of NO2 is a second order reaction and the rate constant is 0.755 L/mol-s. In an…

A:

Q: provide the complete reaction mechanism for each of the following steps shown in the figure

A: Blanc reaction is also called "Chloromethylation" of the benzene ring by treating with fomaldehyde…

Q: How many milliliters of 12.0 M HCl(aq) are needed to prepare 220.0 mL of 1.00 M HCl(aq)?

A:

Q: а. Hg b. SO2 c. C(diamond) d. Lİ2NO3

A: The species given are  a. Hg  b. SO2 c. C(diamond) d. Li2NO3

Q: 2. The following data was obtained from the reaction: NH4 + (aq) + NO2 (aq) → N2(g) + 2H2O(1)…

A: From the given data we have to find the rate law, the rate constant and the initial rate of the…

Q: Calculate the sodium ion (Na+) concentration for a 0.288 M Na3PO4 solution.

A:

Q: Answer question in the picture: Also the info you need that in the picture it says refer to ALEKS…

A: For the given redox reaction, 1) The balanced equation for the half reaction takes place at the…

Q: Complete the equation for the dissociation of Fe(ClO4)3(aq). Omit water from the equation because it…

A: Write the balance chemical equations....

Q: Q4. A solution of 0.20 M in monomer and 4.0 x10-3 M in a peroxide inititator is heated at 60°C. How…

A:

Q: What do you call the number of reacting particles that participate in a single step of a reaction…

A: Molecularity : The number molecules are participated in the rate determining step is called…

Q: It is the time required for half of the reactant to react is known as? Select one: a. time constant…

A: Half time means half of the reactants converted in to product

Q: The decomposition of a certain insecticide in water at 12oC follows first-order kinetics  with a…

A:

Q: e reaction rate law applied to the reaction aA + bB → AB gives the expression a. roc[A]°[B]*[AB] b.…

A: For the given reaction aA + bB → AB

Q: 12:27 1%L7 Methane burns with a fuel value of 55.5 kJ/g. If a 1.00-L cylinder containing pure…

A:

Q: Calculate to three significant digits the density of boron trifluoride gas at exactly –15 °C and…

A: Gas laws,  PV = nRT

Q: The combustion of 1 mol of glucose, C6H12O6 liberates 2.82 x 103 kJ of heat. If 1.25 g of glucose is…

A:

Q: The rate constant is 0.143 L/mol-s for the reaction at 1400K and 0.659 L/mol-s for the reaction at…

A: Which one of the following is correct

Q: The decomposition of NO2 is a second order reaction and the rate constant is 0.755 L/mol-s. In an…

A: Given :-  K for second order = 0.755 L/mol-s  Initial concentration of NO2 i.e. [A]o = 0.00650 mol/L…

Q: 28) Provide the conditions for the reductions to each of the following product H. H. 1) 2) 3) !)…

A:

Q: The role of a catalyst is to change ______________. Select one: a. gibbs energy of reaction. b.…

A: Catalyst is the chemical substance that increases the rate of the chemical reaction without itself…

Q: 2. Rank the following species in order of INCREASING nucleophilicity (1= least nucleophilic a. "CN…

A: To think about the Nucleophilicity one must know about the nucleophile.  Nucleophile- Nucleophile is…

Q: A reaction between liquid reactants takes place at 29.0 °C in a sealed, evacuated vessel with a…

A:

Q: kJ and its normal boiling point is 41. °C. Calculate the vapor pressure of X at-22. °C. The enthalpy…

A:

Q: A liter of solution contains 0.25 M HCOOH and 0.3 M HCOONA, calculate the pH of this solution.…

A: First we would Calculate pH of buffer solution using Henderson Hasselbalch equation.  When HCl is…

Q: Na, NH3, -78 °C -CEC-

A: The given below mechanism is birch reduction of alkyne gives trans alkene as major product...