What is the electron group geometry around the central atom if it has 2 electron groups? O octahedral O trigonal planar linear tetrahedral O trigonal bipyramidal

Q: Given the enthalpy changes AH5 and AH6 below, construct a Hess's cycle that will enable you to find…

A: According to Hess's law, the change in enthalpy of a reaction will be the same if it is carried out…

Q: Que- Pro posea two reaction sequenie to con vert each of the fallowing Subs trates in to the…

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Q: (a) O2N- NH2 NH2 H2 C CF3 H3C-N (b) F3C-N CH3

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Q: Question 26 of 28 The half-life for the second order reaction A Products is 4.57 min. What is the…

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Q: When studying a 2nd order reaction, you measure the concentration of the reactant at two times: at…

A: Concentration of reactant at time 28 s = 0.638 mol/L Concentration of reactant at time 214 s = 0.405…

Q: At a certain temperature the rate of this reaction is second order in N,O, with a rate constant of…

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Q: CH3 + KBRO3 + HBraq. НОАС H3C

A: Concept:  KBrO3 is a oxidizing agent which can oxidized Br- to Br2 in a acidic solution. The…

Q: In the reversed-polarity mode used in the method for determining the concentration of nitrate and…

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: Arrange the following in order of increasing radius: F, Mg", Ne., O2, Na O Mg « Na F> Ne Na Mg"

A: Arrange the following in increasing order of size--

Q: Balance the following chemical equation in a basic solution: Fe(OH)2(s) + MnO4 (aq) → MnO2(s) +…

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Q: What is the atomic number for the element that is in group VIIB(7) and period 4? Atomic number = 25…

A: There are 7 periods and 18 groups in the modern periodic table.  Elements are arranged in order of…

Q: Draw the structure of the organic product formed when the given compounds undergo the three-step…

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Q: unknown metal cation has a +1 charge. The bromide of the unknown tal (Metal Br) is dissolved in…

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Q: The molecule iodine pentabromide is polar. O True False

A: Formula for determining the hybridization of central atom :-  x= (V+M-C+A)/2  V = valence electrons…

Q: Think of a reaction for which the enthalpy change of reaction would be difficult to determine. Write…

A: Think of a reaction for which the enthalpy change of reaction would be difficult to determine. Write…

Q: MVo=M¿Vb can be used for simple strong acid-strong base titration calculations. Suppose 125 mL of…

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Q: Suppose a 250. mL flask is filled with 1.5 mol of CO, 0.80 mol of NO and 0.70 mol of CO,. The…

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Q: Measurement of cation exchange capacity requires several experimental steps and calculations. One…

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Q: Question 15 -n the following reaction at a5°c:a6,H,150,>40,12H,0) aloulate AH alculate AS" =lculate…

A: Given that -  Temperature = 25°C = 298 K  The Balanced Chemical equation -  2C2H2 + 5O2 ---> 4CO2…

Q: The reform reaction between steam and gaseous methane (CH,) produces "synthesis gas," a mixture of…

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Q: A chemist fills a reaction vessel with 1.37 atm methanol (CH,OH) gas, 8.39 atm oxygen (0,) gas, 3.40…

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Q: The atmospheric pressure on top of Mt. Everest (elevation 29,028 ft) is 0.329 atm. Calculate the…

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Q: molality of manganese(II) sulfate

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Q: What is the order of the reaction A Bgiven the plot shown? 400 A) Zero 300 B) First 200 Second 100…

A: Here graph given  1/[A] vs time

Q: What is the major organic product obtained from the following reaction? 1. (CH3) CHCH2MgBr Et20 2.…

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Q: Zwitterions have no tendency to migrate by electrophoresis in an electric field. At which pH will…

A: We know that, zwitterions have both positive and negative equal amount of charges so that net charge…

Q: Identify which category the molecule below belongs to: OH OH carbohydrate O lipid O both…

A: This given structure in the question, is not a lipid because it's doesn't contains steroid ring (…

Q: Q8. An unknown mass of MgcO3 is heated and 100cm pressure of 100 p te of air was 9e (R- calculate…

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Q: Gases are sold in large cylinders at high pressure for laboratory use. If a 40.0 L cylinder of…

A: Given :-  Pressure = 735 psi  Volume = 40.0 L  Temperature = 22°C  To calculate :-  No.of O2…

Q: 1. Draw the best Lewis dot structure for BrFy in the correct molecular geometry Include formal…

A: given molecule is BrF3

Q: 1) excess Mg 2) excess CO, 3) H,0 Br NH2 1) NaNO,, HCI 2) H,PO2, heat CH-OCH, CH-OCH, NaOCH

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Q: [MnBr, [Moc

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Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 0,157M…

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Q: Hello, here is my problem. Calculate the mass of solid sodium sulfate that must be added to 250.0…

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Q: Carbon disulfide gas and oxygen gas react to form sulfur dioxide gas and carbon dioxide gas. What…

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Q: Calculate the pH at 25°C of 290.0 mL of a buffer solution that is 0.310 M  NH4Cl and 0.310 M  NH3…

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Q: A certain reaction is first order in N, and second order in H,. Use this information to complete the…

A: We will use the rate law to calculate the rate constant than we will put the value of rate constant…

Q: A7.11 L sample of nitrogen at 25.0°C and a pressure of 0.858 atm is compressed to a volume of 3.07 L…

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Q: At a certain temperature the vapor pressure of pure acetyl bromide (CH,COB1) is measured to be 363.…

A: we need to calculate partial pressure of acetyl bromide

Q: Calculate the entropy change that occurs in the system when 56.2 g of liquid hexane (86.17 g/ normal…

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Q: Side by side dot structures of two water moleculs are given below. Draw structures like that on your…

A: Water is a polar molecule made of 2 hydrogen atoms and 1 oxygen atom, giving it a molecular formula…

Q: A feedstuff weighing 2 g and moisture content at 5%. When estimating the crude protein, use 82 ml of…

A: The amount of acid used in titration can easily be related to the N content of the sample: N(%,…

Q: When the Pb2+ concentration is 3.87x10-4 M, the observed cell potential at 298K for an…

A: Given-> Concentration of Pb2+ = 3.87 × 10-4 M Ecell = 1.433 V T = 298 K

Q: An aqueous splution contains Oa100 m NaotH at 25.0 °C. the PH of the sokution is

A: Given, NaOH = 0.100 M we know, NaOH is a strong base and dissociates completely in aqueous solution…

Q: A 1.00 L solution contains 3.25×104 M Cu(NO3)2 and 3.000×10³ M ethylenediamine (en). The Kf for…

A: All the necessary calculations have been done in the following step.

Q: Which of the following compounds best dissolve in toluene? so, Na HO, HO он NH2 b) c) d) a)

A: we know polar molecule dissolve in polar solvent  and non polar molecule dissolve in non polar…

Q: There are multiple steps to treat wastewater from sewage. Which of the following state- ments best…

A: Aerobic secondary treatment is done to remove organic pollutants.

Q: Phenol can only be made starting with benzene by using an/the

A: As per guidelines first question is allowed to answer, please post seperately to answer remaining…

Q: e molar mass of the following o

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Q: 1. Draw the best Lewis dot structure for the anion CCly in the correct molecular geometry IInclude…

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Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.