65. What is the de Broglie wavelength (in nm) associated with a 2.50−g Ping-Pong ball traveling at 15.3 mph? Enter your answer in scientific notation.

Q: For the following compound, predict the number of signals in a 13C NMR spectrum: ∞ OA5 OB. 6 O C7 O…

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Q: 23) H Provide the structure of the major organic product in the reaction shown below. 1. 2…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Diborane (B₂H) has been considered as a possible rocket fuel. Calculate DH° for the reaction B₂H6(8)…

A: We have to find the value of ∆H∘ for the reaction B2H6(g) = 2B(s) + 3H2(g).

Q: An experiment was conducted to determine the over-all order of the reaction: YOI → MIYA At the start…

A: Given: Run Initial concentration [YOI]o M Final concentration [YOI]o M Time (seconds) 1 5.142…

Q: Which alkene is most stable? I II III IV

A: Alkene with highest number of alpha hydrogen atoms will be more stable due to the highest…

Q: Question 15 Which of the following small particles is a small nucleus? O Beta particles O electrons.…

A: Here,  beta particle is similar to electron which does not have a nucleus. Neutrons are present…

Q: Select all of the following that are true: A solute is composed of a solvent and a solution.…

A: Solution is composed of solute and solvent.  Saturated solution consist of maximum number of moles…

Q: Painly What product forms at the cathode during the electrolysis of molten KBr ? K+ (1) Br-(1)…

A: Electrolysis  Process in which electric energy converted into chemical energy Cathode undergoes…

Q: consider the titration of 100.0ml of 0.200M HONH2 by 0.100M HCl (Kb for HONH2 = 1.1x10^-8) a.…

A: NH2OH is a weak base with Kb = 1.1*10-8  Given the initial concentration of NH2OH = 0.200 M

Q: 7. What is the major condensation product of the reaction? For partial credit show the mechanism.…

A: In this question we have to tell the major condensation product of the reaction.

Q: When 25.0 mL of 1.0 M H₂SO is added to 50 ml of 1.0 M NaOH at 25 °C in a calorimeter, the…

A: ∆H in kJ can be calculated using formula :  ∆H = -q  Where , q is heat released or absorbed and is…

Q: 5.7 mL of 0.1 mol/L HCI solution was added to 10 mL of buffer solution at pH 4.0. Calculate the…

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Q: How will you prepare 50mL of 0.3 NaOH  aqueous solution?

A: Given, Volume of the solution = 50 mL = 0.05 L Molarity of the NaOH solution = 0.3 M = 0.3 mol/L…

Q: Identify the correct reactant, product or conditions for the following reaction: H₂SO/H₂0 ? HgSO H₂C…

A: The correct answer is given below

Q: What is the correct mechanism and product for the following reaction? HBr A. H Br C. OA COB. O C.…

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Q: Au+ + e- → Au                                        1.69 VO2+ + 2H+ + e- → VO2+ + H2O…

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Q: # .A student performs the reaction below in three experiments studying initial concentrations and…

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Q: A student uses exactly 15 mL of a 1M sodium hydroxide solution when setting up their azo coupling…

A: Given:

Q: Determine the molar concentration of an EDTA solution of which 26.44 mL were required to titrate a…

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Q: Identify the molecular orbitals for cyclopropenyl. Select all that apply. O π2 □ π3* Oπ₂* Oπ* 03 Oπ4…

A: when two orbital of comparable energy are mixed then molecular orbitals is formed .

Q: Determine how much energy in kJ is absorbed when 6.03 g of HA, the limiting reactant, are completely…

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Q: 3 and 0.4 M NaNO3. 3 and 0.4 M NaF. 3 and 0.4 MHF. 3 and 0.4 M NaOH. O3 and 0.4 M NaNO3.

A: Buffer solution is the mixture of weak Acid/base with its conjugate base/acid Acidic buffer is…

Q: QUESTION 32 Determine the equilibrium constant (Keq) at 25°C for the reaction Cl2(g) + 2Br (aq) =2C1…

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Q: Which of the following products is the result of the addition of HBr and is most stable? HBr Br Br…

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Q: Show all the mechanistic steps in the following assignment. 1) Roll two die to determine the number…

A: In this question we will take a primary bromoalkane and react with Mg/dry ether followed by CO2 to…

Q: 4) Pick which one of the conjugated dienes would be preferred for 1,2-/1,4-additio Diels-Alder…

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Q: Which isotope is most likely unstable? 072Rb 20 Ne 10¹ 0¹B 160

A: Isotopes are members of a family of an elements that all have the same number of protons but…

Q: 0 mL of 0.10 M HF titrated by 0.10 M NaOE mL of 0.10 M CH3COOH titrated by 0.10 M as the lowest pH…

A: Acidic salt has pH less than 7, while basic salt has pH greater than 7 and neutral solution has pH…

Q: What would be the pH of 0.00551 M H2SO4 solution?

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Q: Long answer problems 11. a) Calculate the wavelength of absorption of Jia Assuming an average bond…

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Q: A chemist fills a reaction vessel with 0.999 g calcium phosphate (Ca3(PO4)2) solid, 0.689 M calcium…

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Q: alculate the [H+][H+] and pH of a 0.00250.0025 M iodoacetic acid solution. The ?aKa of iodoacetic…

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Q: 1. Name these compounds: a) CH3CH2 а сн он H Br CH3CH₂ CH₂EOK Br b) c) d) CH₂EX Br CH₂C Br CH3CH₂…

A: The organic compounds given are

Q: You made acetaminophen analogue using 3-amino phenol and acety1 chloride (see above) You mistakenly…

A: You made acetaminophen analogue using 3-amino phenol and acetyl chloride (see above) You mistakenly…

Q: Draw the structure and estimate the chemical shifts on the following hydrogens. (please give ppm of…

A: Given,  Butane 1-bromobutane The number of Hydrogen peaks in H-NMR spectra is:

Q: What is the answer to this problem? At what pressure (in atm) would 230 g of disulfur monoxide gas…

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Q: The Kb of HONH2 is 1.1x10^-8 a. calculate the pH and percent dissociation of a solution…

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Q: B) Assign oxidation numbers to each element 1) Ag 2) KCI 3) KC103

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for…

Q: What is the molar mass, in g/mol, of the hydrate compound with the proposed formula of CrCl3⋅3H2O

A: Since you have posted multiple questions, and these are not related to each other therefore as per…

Q: With a high value of N/Z, an isotope will tend to decay through Positron Alpha Electron capture Beta

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Q: ETHER AS SOLVENT Test the solvent power 2 mL ether with 1 mL of each of the following: ethyl…

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Q: Using these metal ion/metal standard reduction potentials: Cd²+ (aq)| Cd(s): -0.38 V; Zn²+ (aq…

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Q: If 10.0mL of 2.0x10^-3 M Cr(NO3)3 is added to 10.0mL of a pH = 10.0 NaOH solution, will a…

A: Given,  When 10.0mL of 2.0x10^-3 M Cr(NO3)3 is added to 10.0mL of a pH = 10.0 NaOH solution , Ksp…

Q: find the equilibrium concentration of iodide for silver iodide in water and .3M soluble KI   AgI…

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Q: What is the pH of a 0.460 M solution of HF (Ka = 6.8 × 10⁻⁴)?

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Q: Chemistry To increase the value of K for the exothermic reaction 2H2(g) + O2(g) + H2O(g) we should…

A: 1- This reaction is exothermic in forward direction. When temperature decreases then the reaction…

Q: The enzyme reaction follows the Michaelis-Menten kinetic and the relative reaction rate (V/Vmax) has…

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Q: Use the standard half-cell potentials listed below to calculate the standard cell potential (Eᵒcell)…

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Q: Compared to hydrogen , 1/1H, the element Helium , 4/2 Has : A - more mass and is larger in size B-…

A: Compared to 11H , the element helium 2He4 has :

Q: A “dead” 12-Volt lead/acid storage battery has 9.40 g of PbSO4 (molar mass = 303.3 g), deposited on…

A: Given: mass of PbSO4 = 9.40 g Current (I) = 0.220 Ampere Voltage (V) = 13.0 V Molar mass of PbSO4 =…