Which of the mixtures represents a shift in the forward direction? Please select 2 correct answers from the following choices. Mixture 1 - Reference Mixture 3- Additional potassium thiocyanate Mixture 2 - Additional iron (III) nitrate Mixture 4 Addition of sodium sulfite

Q: Which reaction would have a negative entropy change? Circle it. Ag+ (aq) + Cl(aq) → AgCl(s) N₂O4(g)…

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Q: 3. Spectroscopy spectroscopy. in UV and the visible region. Principles of UV/Vis The main blocks of…

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Q: What is the reading you'd report for the buret image below? 8 9 !!! 10

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Q: If the absorbance for the solution was 0.698, calculate the equilibrium concentration of iron(III)…

A: It is  based on the Lambert  Beer Law, Here we are required to find the equilibrium concentration of…

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

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Q: A chemist titrates 210.0 mL of a 0.7011 M benzoic acid (HC6H₂CO₂) solution with 0.0797M KOH solution…

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Q: Which of the following aqueous solutions are good buffer systems? (Select all that apply.) □ 0.12 M…

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A: We have to write down the IUPAC names for the given molecules.

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A: Atmospheric pressure at sea level = 760 mm Hg For every 1000 ft increase in elevation, there is a…

Q: Complete the following table, which lists information about the measured acid dissociation constants…

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Q: %Transmittance 96- 94- 92- 90- 88- 86- 84- 82- 80- 78- 76- 74- 72- 70- 68- -99 mater 64- 62- 4000…

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Q: Write the mechanism showing the product of the reaction of CN- with cyclohexanone.

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Q: For the reaction C(s)  +  H2O(g)  →  CO(g)  +  H2(g)   ΔH° = 131.3 kJ/mol and ΔS° = 127.6 J/K ∙…

A: Find the Gibbs free energy change for the given reaction.

Q: A 3.7145 g portion of disodium EDTA dihydrate (M.W. 372.24) was dissolved in enough distilled water…

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Q: A chemist dissolves 867. mg of pure nitric acid in enough water to make up 190. mL of solution.…

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Q: Mass needed to make 15.0 mL of 0.200 M CoCl₂ • 6 H₂O (MW=237.93)

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Q: 3. Aqueous iron (III) nitrate and aqueous tin (II) bromide are mixed. a) List all the species…

A: Answer: In the redox reaction, specie that gets oxidized itself and reduces others is called as…

Q: Consider three hypothetical metals: "X", "Y" and "Z". The following reactions proceed spontaneously…

A: We know that, a substance which has large reduction potential value, reduced more easily. Z + X2+ =…

Q: Consider the reaction corresponding to a voltaic cell and its standard cell potential. Zn (s) + Cu²+…

A: Answer: This question is based on Nernst equation which is shown below:…

Q: A 100 cm³ sample of weak base 0.10 M methylamine, CH, NH,₂, (K₁ = 3.7 x 10), is titrated with 0.25 M…

A: The Kb of methylamine is given to be 3.7×10-4. Its pKb can be calculated as: pKb=-logKb…

Q: MOUNT X Determine the mass in grams of CO, that is produced by the complete reaction of 0.2038 moles…

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Q: Calculate the enthalpy in J/mmol and KJ/mol. given q content = 1400J and moles = 0.0251

A: The heat content is Q = 1400 J. The number of moles is n = 0.0251 mol = 25.1 mmol. We have to…

Q: What is the common name of prop-2-en-1-ol?    Draw the skeletal structure of…

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Q: What is the pH of the resulting solution when 12.50 mL of 0.45 M HCI is titrated with 17.00 mL of…

A: To solve this problem, we need to use the balanced chemical equation for the reaction between…

Q: What is the pH of a buffer made from 0.580 mol of CH3NH₂ (Kb = 4.4 x 10-4) and 0.200 mol of CH3NH₂I?

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Q: Consider the following data on some weak acids and weak bases: acid name hydrofluoric acid nitrous…

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Q: HOT HO Sucrose (shown below) is a disaccharide commonly called table sugar. Identify the circled…

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Q: A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10^−5) is titrated with 0.500M HNO3. Calculate the pH after…

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Q: Consider the following data. N₂(g) + O₂(g) = 2 NO(g) 2 H₂O(1)=2 H₂(g) + O₂(9) 4 NO(g) + 6 H₂0 (1) =…

A: Hess's law states that the enthalpy of a reaction is independent of the number of steps or chemical…

Q: Calculate the percent sodium in SLS, NaC12H25 SO4 Express your answer using two decimal places.

A: Given compound = SLS = NaC12H25SO4

Q: Fill in the missing chemical formulae in the tables below. acid + H₂O* HClO3 H₂CO3 conjugate base…

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Q: 2.1 With the aid of a well labelled diagram illustrate how you would use polarography analytically…

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Q: Which of the following combinations can be used to make a buffer? (Assume equal volumes are used.)…

A: Option B is correct

Q: Calculate the percent dissociation of benzoic acid (CH₂CO₂H) in a 3.7 mM aqueous solution of the…

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Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.240 M NaNO₂? (Ka of HNO₂ is 4.5 x 10-4)

A: Given- Concentration of HNO2=0.300M Concentration of NaNO2=0.240M Ka of HNO2= 4.5×10-4

Q: 9. An electron in the hydrogen atom relaxes to the n≤2 orbit and 431 nm light is emitted. What was…

A: For the hydrogen atom  An electron relaxes to the n= 2         i.e. nf = 2  Light emitted of…

Q: The chemical formulae of some acids are listed in the first column of the table below, and in the…

A: When an acid is dissolved into water it ionization into its ions and give H+ and its conjugate base.…

Q: For each pair of compounds, identify which would react faster in an SN2 reaction with NaCN in…

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Q: Question 33 Given the alcohol: CH3CH₂CH₂OH Match the organic product formed [LEFT SIDE] with the…

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Q: Determine the pH of a solution that is 5.2 *10-2 M in HClO4 and 5.0*10-2 M in HCl.

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Q: If the absorbance for the solution was 0.342, calculate the equilibrium constant, Keq, with zero…

A: Given , absorbance of solution = 0.342  Volume of 0.002 M iron(III) nitrate = 5.00 mL Volume of…

Q: Give typed full explanation of both not a single word hand written otherwise leave it

A: Theol given questions are regarding the separation of cations.

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A: Given, Based on pH scale, The solutions which have pH greater than 7 ( pH>7 ) are basic…

Q: Identify the carbon atoms in the product that correspond to C1 and C2 of the 6-methyl-3-heptanol…

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A: Balanced Chemical equations for given reaction is,   Isopentyl alcohol + Acetic acid ———>…

Q: 23. The value of Ksp for Cu(OH), is 4.8 x 10 at 25.0 °C. Determine the molar solubility of Cu(OH),…

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Q: compound KOH ΚΝΟ, C,H,NH, HC,H,O, important species present when dissolved in water K*, OH, H₂O K*,…

A: The terms acid and base can be defined as follows - Acid: A species which can loss a proton in…

Q: Name the following: Br o F Br OH

A: In the first step of nomenclature, the carbon chain of the given compounds should be numbered…