O Se Question 30 Which of the following elements has the greatest metallic character? O Mg O AI Ba OCs O Li

Q: An equilibrium mixture contains N2O4N2O4, (P=P= 0.30 atmatm ) and NO2NO2 (P=P= 1.0 atmatm ) at 350…

A: Given :  Partial pressure of N2O4 at equilibrium = 0.3 atm  Partial pressure of NO2 at equilibrium =…

Q: 2 Al(s) + Fe2O3(s) 2 Fe(s) + Al2O3(s) - ΔΗ= -848.0 kJ The mass of aluminium oxide produced when…

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Q: The pH of black coffee is 5.3. What is its [H*]? a. 8.7 b. 5.3 c. 5.01x10 d. 5.01x10-10

A: We have to predict the hydrogen ion concentration.

Q: is gas C. solid 3. Which of the following is a A. ripening of fruits B. liquid nonspontaneous…

A: Hello dear,   3) Option B is correct. 4) Option B is correct. 5) Option B is correct.

Q: Lab Data Standardized NaOH (M) Initial volume of buret (mL) Volume of vinegar (mL) Observations…

A: M(NaOH) x V(NaOH) = M(Vinegar) x V(Vinegar)

Q: Draw the curved arrows and the products formed in the acid-base reaction of HBr and NH3. Determine…

A: Direction of equilibrium The direction of equilibrium depends upon the weak acid and base . In the…

Q: their proper order. Clearly indicate the structures of the compounds at each step in the process and…

A: Here we have to separate a mixture following organic compounds i.e alkane, carboxylic acid and…

Q: 9. Briefly explain the KJELDAHL method principle.

A: In this question, given the theory of the Kjeldahl method, estimatation of nitrogen ,

Q: A student wants to prepare a 1.5 M NaCl solution. How many liters of solutions can be made if the…

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Q: 24. Which of the following refers to a hypothetical reaction that shows only the oxidation or…

A: Electrochemical cell : An electrochemical cell is the device which is used to convert chemical…

Q: 4. From smallest to biggest value of solubility, order the following salts with their Ks.p between…

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

Q: 2 Al(s) + Fe2O3(s)- 2 Fe(s) + Al2O3(s) ΔΗ= -848.0 kJ The mass of aluminium oxide produced when -2544…

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Q: Multiplet @ 1.46 ppm Multiplet @1.22 ppm Triplet @ 2.20 ppm Triplet 0.78 ppm and C-NMR-Figure 4b…

A: The answer is given below!!

Q: A 0.700 g sample of phosphorous is reacted with excess oxygen to form a product with a mass of 1.604…

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Q: determine the quantity of moles in 4.21 x 1023 molecules of CaCl2. List the steps clearly. Use…

A: Given,  molecules of CaCl2 = 4.21 x 1023 molecules

Q: The following reaction is carried out under standard conditions (25°C and 1 bar): 2CH3OH(1) + 302(g)…

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Q: Identify the correct product (labelled A, B or C) for each of the following transformations. Refer…

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Q: (iii) At 500°C K = 0.062 mol2dm. Compare this value to the one you calculated in 3 (ii) above and…

A: The equilibrium constant of a reaction is determined by dividing the product's concentration by the…

Q: 1. (a) In reaching equilibrium, how much heat transfer occurs from 1.2 kg of water at 40°C when it…

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Q: Et Br 1.NaNH2, THF 2. Br H3O+ CH3OH A I

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Q: Activity 3: Fill in the blanks with the correct answer. Imagine that you have a system that is…

A: According to Le-Chaletlier principle if we make any changes in reaction then the system will try to…

Q: An aqueous solution has hydronium concentration [H3O+] = 7.11 x 10-2 mol L-1. What is the pH of…

A: A solution is made up of solute and solvent.Solute is present in small amount and solvent is present…

Q: Ojos del Salado in Chile is the highest active volcano in the world at 6,893 m above sea level. Near…

A: K =  C + 273.15 Where, K = temperature in Kelvin and C = Temperature in deg C

Q: QUESTION 11 Determine the molar solubility of MX (Ksp-8.3x108) in 0.748 M NaCN. The metal ion M…

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Q: A. 1 19. In the reaction, Fe2O3 (1) + CO (g) → Fe (1) + CO2 (g), how many electrons does Fe gain? A.…

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

Q: Practice Exercise Hydrogen peroxide (H₂O₂) decomposes into water and oxygen: H₂O₂(e)→ H₂O(l) + O₂(g)…

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Q: The mass of a solid piece of iron Fe(s) should be determined by allowing it to react with a solution…

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Q: What type of isomerism is exhibited by the following pair? NH₂ NO₂ H₂N H₂N O₂N H₂N NH3 O optical O…

A: Fac means Facial i.e. the same ligands form a common face of the polyhedron. Mer means Meridonial…

Q: Question 1 An experiment to measure the molar solubility and Ksp of Sr(103)2 followed a procedure…

A: The balanced equation for the dissociation of Ca(IO3)2(s) in water is: Ca(IO3)2(s) ⇌ Ca2+(aq) + 2…

Q: Consider the following chemical reaction at equilibrium: CO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g) Which of…

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Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

Q: The boiling point of pure ethanol (C₂H₂OH, MM = 46.07 g/mol) is 78.4 °C. A solution is made using…

A: we have to calculate boiling point of the glucose-ethanol solution

Q: If the pressure exerted by a gas at 100°C in a volume of 0.044 L is 3.81 atm, how many moles of gas…

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Q: For the reaction C + 2H2 → CH4, how many moles of hydrogen are needed to make 170.6 grams of…

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Q: Identify the first-row transition metal M that satisfies the requirements given (more than one…

A: General electronic configuration of first row of d block element is [Ar] 4s2 3d1-10

Q: What is the mass in grams of 5.36 × 10²⁵ molecules of I₂?

A: Given, number of molecules of I2 = 5.36 × 1025 molecules  mass of 5.36 × 1025 molecules of I2 = ?…

Q: How many grams of Al are required to generate 16.35 L of H2 gas when the reaction occurs at STP?…

A: given, volume of H2 = 16.35 L

Q: Calculate the free electron per atom of metal A. The electrical conductivity of metal A is 6.0 × 10²…

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Q: 6. A sweet-scented compound with the molecular formula C₁H₁2O2, was isolated from a synthetic…

A: IR helps us to understand the functional group present in the unknown organic compound.  NMR spectra…

Q: Classify the components as most accurately describing cofactors, coenzymes, or neither. Cofactors…

A: below answer is given

Q: Given the equation Ag* (aq) + 2NH,(aq) — [Ag(NH,),)*(aq) K₁ = 2.00 × 107 determine the concentration…

A: The concentration of compound can be calculated by ICE (initial, change, equilibrium) table and…

Q: What is the pH of a hydrocyanic acid/sodium cyanide buffer in which the concentration of the weak…

A: we have to calculate pH of the given buffer solution

Q: S + 6 HNO3 --> H₂SO4 + 6 NO2 + 2H₂O In the above equation how many grams of water can be made when 2…

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Q: 5. One of the products of a fermentation: 1. an alcohol 2. an alkane a salt 4. an ester

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Q: OH CH₂CH3 H₂SO4 180°C

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Q: 2CH3CH₂ + Pb2+. SH

A: Thioalcohols react with heavy metals like Pb2+ to form insoluble compounds.

Q: Which of the following is the compound that when hydrolyzed produces these two products? X + H₂O* NH…

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Q: O. 1. Name the three particles of the atom and their respective charges: a. C. and the number 2. The…

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: 1.Calculate the pH and the of a buffer made from 0.28 M HNO₂ and 0.23 M NO₂. (The Ka for HNO2 is 4.6…

A: Given, Ka(HNO2) = 4.6×10-4

Q: a. b. Br s Ol OH name compounds H

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