Discuss the Frontier Molecular Orbit al theory (FMO).Use this theory to show that the Cr 4st rza]- and Cn 4a tr2s]-cycloaddition reactions are forbidden

Q: An electrochemical cell involves the following half reactions: Bra(1) + 2e- 2Br(aq) E - +1.09 V Fe2 ...

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Q: Potassium superoxide, KO2, reacts with carbon dioxide to form potassium carbonate and oxygen: 4KO2 +...

A: Given data :  Mass of KO2 = 2.43 g  Mass of CO2 = 4.5

Q: A chemist dissolves 646. mg of pure barium hydroxide in enough water to make up 60. mL of solution. ...

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Q: 7.) The equilibrium constant, Ke, for the following reaction is 4.63×10 ³ at 25°C. What is the value...

A: given,  N2O4  ⇔ 2 NO2(g) Kc = 4.63 ×10-3 temperature, T = 25 oC = 298 K gas constant, R = 0.0821 L.a...

Q: For which reaction below are the values of Kc and K, the same? O 2 SO3 (g) + N2 (g) 2 SO2 (g) + 2 NO...

A: Answer of the question given below, 

Q: A solution is prepared by adding 300 mL of 0.500 M NH3 and 100 mL of 0.500 M HCl. Assuming that the ...

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Q: Aqueous sulfuric acid (H, SO reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium sul...

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Q: An atom bomb releases 80.4 x 1013 J of energy. How much mass (in grams) was converted to energy to p...

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Q: What is the IUPAC systematic name for the compound NaF? Spell out the full name of the compound. Sub...

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Q: The equilibrium constant, Kc, for the following reaction is 1.20x102 at 500 K. PCI5(g) PCI3(g) + Cl2...

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Q: Calculate the energy required to heat 252.0 mg of cyclohexane from 16.1 °C to 31.9 °C. Assume the sp...

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Q: DD 4000 3000 2000 1000 NVENUERl

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Q: The equilibrium constant, Kp, for the following reaction is 0.160 at 298 K. Calculate Ko for this re...

A: Given :-  2NOBr(g) <-----> 2NO(g) + Br2(g)  Kp = 0.160  T = 298 K  To calculate :-  Kc for thi...

Q: Calculating a molar héát öf réáčtión from formation enthaiples sing the table of standard formation ...

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Q: A student determines the value of the equilibrium constant to be 4.16x1013 for the following reactio...

A: Given-> 4HCl(g) + O2(g) ---> 2H2O(g) + 2Cl2(g)  

Q: The equilibrium constant, K, for the following reaction is 5.56x103 at 298 K. NH3(g) + H2S(g) NH4HS(...

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Q: What is the mass defect (in atomic mass units) of 12C? (Answer to at least the thousandths decimal p...

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Q: 100.0 ml of a solution containing 0.200 M NaNO2 is titrated with 0.100 M HCl. Which of the following...

A:  We would check the nature of NaNO2 to determine the range of pH .  At half equivalance point , conc...

Q: The carbon skeleton for 2-methylpropane is shown below. How many hydrogens are present? c-d-c 4 9 10...

A: Since we know that valency of carbon = 4   

Q: If 10.0 ml of HCI (aq) and 10.0 ml of NaOH(aq) are combined in calorimeter and the temperature of th...

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Q: Part A lodine atoms will combine to form I2 in liquid hexane solvent with a rate constant of 1.5 x 1...

A: Given data : 

Q: Complete the following table. Round each of your answers to 3 significant digits. energy content whe...

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the uni...

Q: Calculate the energy required to heat 657.0 g of ammonia from 35.0 °C to 58.2 °C. Assume the specifi...

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Q: Calculate the wavelength, in nanometers, of the light emitted by a hydrogen atom when its electron f...

A: Given:: Initial state, n1= 4 Final state, n2=2 find wavelength = ?

Q: Complete the following table. Round each of your answers to 3 significant digits. energy content whe...

A: Here, we have to convert the energy values into the corresponding units.

Q: Part A The following data show the rate constant of a reaction measured at several different tempera...

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Q: Calculate the pH of the following acid or base: 1. 3.6 x 10-7 M HNO3 2. 2.0 x 10-4 M NaOH

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Q: ci + 35 16 Es + He 30P + 30 14Si + H 15 H + H H + ->

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: Listeh A 250.00 mL sample of sulfuric-acid has a pH of 3.54. What is the value of for this solution?...

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Q: I need help calculating the percent deviation please. reaction equation - 2 MnO4− + 5 C2O42− + 16 H+...

A: We would use formula of percent deviation to calculate percent deviation in Molarity of KMnO4. 

Q: In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl4². co2+(a...

A: Given reaction is : CoCl42- (aq) <-----------> Co2+ (aq) + 4Cl- (aq)       

Q: Propose an efficient synthesis for the following transformation: The transformation above can be per...

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Q: Dinitrogen tetraoxide is a colorless gas at room temperature. It can dissociate into nitrogen dioxid...

A: The data given is,  

Q: Write the equilibrium expression for the following reaction: SICI4(g) + 2H2(g)= Si(s) + 4HCI(g)

A: Kc is the ratio of  product of concentration of products raised to their stoichiometric coefficient ...

Q: Listen Considering the Ka of the following weak acids, put them in order of strongest to weakest. Ph...

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Q: HC2H3O2 (aq)  ↔  C2H3O2- (aq) + H+ (aq)   At equilibrium at 25 ºC, a 0.100 M solution of acetic ac...

A: From the given chemical equation , first we would write the expression for Keq, the using given equi...

Q: H. Al,0, O Al+_0, Туре: I. N, +H2 → NH3 Туре: J. Al+ HCI → _AICI, + H, Туре: K. V,05 + _ HCI → O voC...

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Q: • Part A A lead-acid battery uses a redox reaction in which lead(0) and lead(IV) are both converted ...

A: The reaction given is, => Given: Time passed = 5.00 hours = 5 × 60 × 60 = 18000 s               ...

Q: 4) Would you expect cis-1,2-dimethylcyclohexane and trans-1,2-dimethylcyclohexane to have a good sep...

A: TLC is a type of chromatography used in separation of non volatile Mixture. Its stationary phase is ...

Q: Part A d for the following second-order reaction: E(9) Use an Arrhenius plot to determine the activa...

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Q: Part A The following data show the rate constant of a reaction measured at several different tempera...

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Q: Calculate the pressure, volume, or temperature of a gas under certain conditions of change. Solve th...

A: Given, Initially Volume of a gas  (V1) = 1.7 L moles of a gas (n1) = 0.2 mol Later: (after adding 0....

Q: 1. Reactions. Choose 5. Identify (draw the structure showing stereochemistry when required) the majo...

A: When enolisable  hydrogen is present then first enol is formed 

Q: Some chemical reactants are listed in the table below. Complete th oxidation state of highlighted at...

A: Oxidation state is the total number of electrons that an atom either gains or loses in order to form...

Q: equation, use the coefficient in the box to determine what color to Use TOF 1 = Red 2 = Pink 3 = Ora...

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Q: A sample of neon is at 75°C and 115 kPa. If the pressure changes to 127 kPa and the volume remains c...

A: Given :-  initial temperature = 75°C  initial pressure = 115 kPa  final pressure = 127 kPa  To find ...

Q: How many atoms of Pb are present in 254 grams Pb?

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: Part A The following data show the rate constant of a reaction measured at several different tempera...

A: Arhenius equation gives the relation between temperature and rate constant. 

Q: A bicyclic heterocycle aromatic ring with one N atom and the rings are of different size.   a Indol...

A: A bicyclic heterocycle aromatic ring with one N atom and the rings are of different size

Q: Which of the following molecules are isomers? (Make sure you can see all of all three structures.) н...

A: Isomers are the compounds having same molecular formula but having different properties. The differe...