Write the condensed (noble-gas) electron configuration of Cr²⁺, Co2+,Mn4+,and Cr3+

Q: The refining of nickel from nickel oxide is shown in the following reaction: NiO + H₂-> Ni + H₂O…

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Q: The [OH-] of a solution is 8.3 x 10-3 M. What is the pH? Report the pH to 2 decimal places. Your…

A: Relation between [H+] and [OH-] , [H+] × [OH-] = 10-14 Now calculate Concentration of H+, [H+] =…

Q: Draw the following organic compounds: a) N-ethyl-N-propylhexanamide b) 2,3,6-trichloroheptanol c)…

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Q: Temperature (°C) 25 C Write the Ksp expression here: Calculate the Ksp value here (show work):…

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Q: Copper metal and aqueous iron (III) chloride were made to react to reduce iron to Fe2+ while…

A: Here we are required to find the mass of copper needed to react with 20.5% wt of iron (III) chloride…

Q: 0 CI JAH 3

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Q: Which of the following statements are consistent with compound X below? лятно NH₂ X I. X has an odd…

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Q: tion vessel with time (minutes) 0 1.0 2.0 [HI] 0.600 M 0.194 M 0.115 M 3.0 0.0823 M 4.0 0.0639 M…

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Q: True or False Leaching of PbCl₂ is ensured when known solution of Group I cations stays hot.

A: Please see explanation.

Q: The [OH-] of a solution is 8.3 x 10-3 M. What is the pH? Report the pH to 2 decimal places. Your…

A: Given, Concentration of OH- ion =  [OH-] = 8.3 × 10-3 M pH of the solution = ? The Formula used here…

Q: Given the following diagram, identify the following: a. Anode (Zn or Mg) b. Cathode (Zn or Mg) C.…

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Q: X Incorrect. Modify the given structure of the starting material to draw the major product, without…

A: In the given problem we need to predict the major product from the given starting materials.

Q: Answer the following question. Download the answer sheet for this activity. For problem solving,…

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Q: Consider the following data on some weak acids and weak bases: name acetic acid hydrocyanic acid 0.1…

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Q: Acetic acid partially dissociates according to the reaction below. HC₂H3O2 + H₂O(1) H3O+ + C₂H3O5 2…

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Q: 1) a) Calculate the number of moles of NO2 that are present in a sample that is made up of 3.74 x…

A: One mole of any gas at STP occupies 22.4 L One mole substance contain 6.023 x 1023 molecules

Q: 125 mL of 0.315 mol/L sodium carbonate and 75.0 mL of 0.155 mol/L silver nitrate are mixed.  What is…

A: Molarity of Na2CO3  =  0.315 mol/L Volume of Na2CO3 = 125 mL  = 0.125 L Moles of Na2CO3 = Molarity ×…

Q: Calculate [OH-] of NaBrO, 0.810M; KaHBrO = 2.0 x 10-9. Group of answer choices 4.5 x 10-4 2.0 x 10-5…

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Q: A sample of helium gas occupies a volume of 38 L at 780 torr and 25°C. What volume would the gas…

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Q: 1. Draw the structure of the amino acid in a) acidic solution at a pH below the isoelectric point b)…

A: Here we are required  to draw the structure of amino acid at different pH solution.

Q: During the reaction below, electrons transfer from: MnO4- + 5Fe2+ + 8H+ ­→ Mn2+ + 5Fe3+ + 4H2O  a…

A: Given reaction: MnO4- + 5Fe2+ + 8H+ ­→ Mn2+ + 5Fe3+ + 4H2O  We have to find the substance from which…

Q: What is the final concentration of sodium ions if the following solutions are mixed together?     25…

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Q: . - Explain the following trends in viscosity in terms of intra-molecular and intermolecular forces:…

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Q: Use the VSEPR model to predict the bond angles about each numbered atom. HI The predicted angles…

A: VSEPR theory describes the arrangement of atoms in the space in such a way so that the interaction…

Q: Why is spandex both strong and flexible?

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Q: LNG is natural gas that has been cooled and condensed to a liquid, it contains about 10 - 15 %…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: What is the concentration of hydrochloric acid? Find the concentration using the information given…

A: A question based on acid-base titrations that is to be accomplished.

Q: QUESTION 24 Which balanced chemical equation represents the complete combustion of a hydrocarbon?…

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Q: 100 80 LLLLLLLLLL 40 20 % of base peak 43 Bask peace يبسط 40 S 80 120 M = 146 (<1%) 200 160 m/e Mass…

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Q: hp of methanol and 1-propanol are 1.331 and 1.387 respectively. Calculate the mole percentage of…

A: The mole percentage of a compound can be determined by the following relationship between refractive…

Q: Part: B Nomenclature 5. Write the formula for the following compounds. IUPAC Name a. iron (II)…

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

Q: Chemistry how would i dilute a 50 mM stock to make a 5mM stock?

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Q: Be sure to answer all parts. Draw the structure of a naturally occurring amino acid that is an…

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Q: 10.0 mL of a salt solution has a mass of 12.8 g. The solution is evaporated to dryness and the…

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Q: a) 2-Propanol + butanol → b) Ethanol + [O] → c) Butanone + [H] − d) 2-pentene e) Ethene + H₂ →→ f)…

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Q: Calculate accurately using the equation w = sqrt(k/mu) the expected ratio ω(OD str.)/ ω(OH str.) for…

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Q: The band diagram of Copper is: Select one:

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Q: What is the name of the following molecule? H3C NH₂ A. acetamide B. methylamine OC. formamide D.…

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Q: 1. How many sodium atoms are in 1.3 mol of sodium? 2. How many electrons are in 1.5 x 10-3 mol of…

A: Here we are required  to find the number of atoms present in 1.3 mol of sodium

Q: 3. Given a 0.0075 mol/L solution of KMnO, how would you prepare 50.0 mL of 0.0025 mol/L solution of…

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Q: Aluminum reacts with elemental chlorine to form the sole product of aluminum chloride in a…

A: We have to calculate percentage yield of the reaction.

Q: How many of the following pairs (Name/Formula) are INCORRECT? Ammonium Hydroxide / NH4CN Copper (I)…

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Q: Use collision theory to explain each of the following: Milk stored in the refrigerator will keep…

A: We know that, with the help of collision theory we can predict what conditions are necessary for a…

Q: 7. Which of the following is more stable? 8. Name the compound according to IUPAC nomenclature. (Use…

A: We know between cis and trans isomer, trans isomer is more stable compare to cis, as in trans isomer…

Q: Calculate the  [H3O+]  value of each aqueous solution. milk of magnesia with  [OH−]=1.2×10−5M  .…

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Q: CH₂(g) + H₂O(g) = 3H₂(g) + CO(g) Kp = 3.67 x 10-3 6.0 mol of CH4 and H2O were added to a rigid 1.0 L…

A: In the given reaction, CH4(g)+ H2O(g)----&gt;3H2(g)+ CO(g) Kp=3.67×10^-3

Q: 2HOCI(g) = H₂O(g) + Cl₂O(g) Kp = 11.1 @ 298 K The reaction begins with 2.5 atm of HOCI, 0.5 atm H₂O,…

A: The equilibrium constant in terms of partial pressure of gas can be given by the ratio between the…

Q: Draw a Lewis structure for the C3H8 molecule using the connectivity shown in the spacefilling model…

A: The given organic compound is C3H8 .

Q: Calculate the  [H3O+]  value of each aqueous solution. aspirin with  [OH−]=1.2×10−11M  . Express…

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Q: Give good explanation Asap Thanks A solution is prepared by mixing 25 mL (0.22 mol, 16 g) of…

A: Given,  A solution is prepared by mixing 25 mL (0.22 mol, 16 g) of pentane (the solute) with 45 mL…