At What speed in units of m/s, will an electron have a de Broglie wavelength of 54.4 um(micrometer)

Q: Based on the orbital filling configurations, predict which of the following species would have the…

A: 1.Bond length represents  distance between two adjacent  bonded atom. 2. Greater the bond order…

Q: 125I + ____        125Te

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Q: What is S° for B in the reaction 3 A → 2 B if ∆S°(rxn) =-275.5 J/mol ･ K? [S° (A) = (205.0 J/mol…

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Q: What types solute are able to change both the electrical conductivity and osmolarity as well?

A: solute are the particles which are present in less amount or  quantity in any solution and on the…

Q: Consider the insoluble compound zinc carbonate, ZnCO3. The zinc ion also forms a complex with…

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Q: A solution contains 1.22×10-2 M chromium(III) nitrate and 6.44×10-3 M manganese(II) acetate. Solid…

A: We need to find the hydroxide ion at which the Manganese(II) ion precipitates. Then, at this…

Q: What is the change in enthalpy when 1.50 moles of H₂ are reacted with an excess O₂ of according to…

A: Given , 2 H2(g) +O2(g) →2 H2O(I)     ∆H=-572 kJ

Q: Calculate Kp for this reaction at 25°C. I₂(g) + Cl₂(g) 2 ICI(g) AG xn=-6.075 kJ/mole

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Q: what is the volume of 2.00x10^30 molecules of CO2, behaving as an ideal gas, with a pressure of…

A: Using ideal gas equation, volume of CO2 can be calculated.

Q: Which of the following statements is best explained by resonance? NF3 contains three single bonds…

A: we have to select the statement that can be explained by resonance

Q: 7. Name the following alcohol by IUPAC name OH a. (1R, 25) -2- isobutylcyclopentan-1-01 b. (2R,…

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Q: Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure H = Br :O:…

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Q: State advantages of the acid-base reaction of vitamin C over the redox reaction

A: We need to explain the advantages of the acid-base reaction of vitamin C over the redox reaction.

Q: A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady…

A: During transition of state of a substance temperature remains fixed.

Q: H₂N. H₂N® O 00 NADH H₂N. H₂N® OH O Оо

A: NADH acts as a source for hydride ion. It resembles with LiAlH4.

Q: For the  [Fe (SCN)2  (o − fen)2 ]ClO4 complex answer: a) Write the STOCK name of the compound. b)…

A: o-fen or o-phen is a neutral bidentate ligand, so it will have 0 charge. SCN has a -1 charge and…

Q: Formula C₂H₂ (You will have 2 central atoms) C₂H4 (You will have 2 central atoms) CH3OCH3 (you will…

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Q: Concentration of Zn(II) in seawater

A: Concentration is the abundance of a constituent divided by the total volume of a mixture. In the…

Q: iron (s) + chlorine (g) →→→→→→ iron(III) chloride (s) grams iron

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Q: A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady…

A: Given graph of a pure solid

Q: Draw the major organic product of the reaction shown. OH HBr Incorrect Br

A: This reaction is SN1 reaction instead of SN2 because in acidic medium alcohol released water to…

Q: Describe any non-human sources of error and how they impact the results in this experiment of molar…

A: The non-human sources of error in the molar mass of a volatile liquid are as follows -->  (1) -…

Q: Consider the reaction: 2BrF3(9) Br₂(g) + 3F₂(g) Using standard thermodynamic data at 298K, calculate…

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Q: what temperature, in °C, is a certain reaction at equilibrium if AH = 3.8 kJ/mol and AS = +170.2…

A: At equilibrium change in Gibbs free energy is equal to zero

Q: How many g Al must react with iodine to form Alls via the following reaction scheme to release…

A: ∆H for 2 moles of Aluminium is calculated first.Then moles of Aluminium required to have an energy…

Q: The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous…

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Q: a) A voltaic cell houses the reaction between aqueous iodine and cobalt metal: I₂(aq) + Co(s) →…

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Q: Using the appropriate bond energies, calculate the heat of reaction AH for the following reaction: H…

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Q: For each row in the table below, decide whether the pair of elements will form a molecular or ionic…

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Q: The transformations below can be performed with some reagent or combination of reagents listed…

A: We know the reactions of alkene ;  BH3,THF then H2O2 ,OH-  reacts with alkene to syn addition of H…

Q: In a reaction, C+2H2–>CH4, how many grams of H2 are necessary to completely react with 68.2 grams of…

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Q: What is the pH of a 0.010 0 M solution of sodium hydrogen phosphate, also known as dibasic sodium

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: A chemist prepares a solution of mercury(II) iodide (Hgl.,) by measuring out 0.00090 μmol of…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: What is the parts per million (ppm) concentration of a solution made with 0.0500 g of NaCl in 100 g…

A: Given data, Mass of NaCl = 0.0500 gram Mass of water = 100 gram Formula for calculating ppm…

Q: why is oxygen 0 for enthalpy and not entropy? Explain Why for both please. Thank you!

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Q: Question Balance the following redox reaction if it occurs in acidic solution. What is the…

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Q: standard thermodynamic data at 298K, calculate the entropy change for th a) react at standard…

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Q: Predict the major products of this organic reaction. Be sure to use wedge and dash bonds when…

A: Given : structure of reactant

Q: What is the major product for the reaction below? OH A H₂SO4 B C D

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Q: For the following compound, calculate the molar mass of CO2 example: CHCI3 = 119.38amu

A: Given, molar mass of CO2 = ? Note: molar mass of C = 12.011 amu molar mass of O = 15.999 amu

Q: 1 4 7 +/- Question 11 of 25 Given the following reaction: 2C₂H₂(g) + 50₂(g) → 4CO₂(g) + 2H₂O(g) AH =…

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Q: Predict the major products of this organic reaction. Be sure you use wedge and dash bonds when…

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Q: At what temperature does sulfur hexafluoride have a density of 0.6250 g/L at 0.8210 atm?

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Q: A mixture of nitrogen and oxygen gases, in a 9.78 L flask at 85 °C, contains 6.45 grams of nitrogen…

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Q: mic. Suppose a mixture of H₂, F₂ and HF has com ble below will cause in the composition of the mixtu…

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Q: (6) Predict the product(s) in each of the following. Indicate stereo chemistry if applicable and…

A: -> Hydroboration oxidation of alkene give antimorkovnikov addition of H2O overall . -> Alkene…

Q: 1.24 mol sample of nitrogen gas at a temperature of 27.0 °C is found to occupy a volume of 22.7…

A: Using ideal gas equation and dimensional analysis, pressure of nitrogen gas can be calculated.

Q: For the reaction CO(g)+H2O()→ CO2(g)+Hz(g) AH° = 2.80 kJ and AS° = 76.8 J/K The equilibrium constant…

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Q: What is the major organic product of the following reaction? H₂O, H₂SO HgSO, 0: 82= OH M IV

A: Alkyne are unsaturated hydrocarbon which have triple bond so they are reactive in nature. Here we…

Q: A sample of 3.00 mol of gas in a 10.00 L container is at 65.0 °C. What is the pressure of the gas?

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