Which of the following does not belong to the group? aluminum tray marble table clamp carbon paper

Q: 13.65 g of an unknown compound decreased the freezing point of 346 g of benzene (Kf= 5.12 ∘C  /m) by…

A: Given:: Mass of unknown = 13.65 g Molar mass = x = ? Kf= 5.12 ℃ m-1 Depression in freezing point ,…

Q: P Draw the particle by placing atoms on the grid and connecting them with bonds. Include all lone…

A: P exist in P4 form and Since P4 has four phosphorus atoms, Valence electrons of four phosphorus…

Q: (b) On the basis of 18-electron rule, identify the first-row transition metal for each of the…

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Q: Liquid mercury has a density of 13.69 g cm-3, and solid mercury has a density of 14.690 g cm-3 both…

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Q: stion 11 Based on the graph, what is the estimated number of theoretical plates of the fractional…

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Q: 15. What is the shorthand notation that represents the following galvanic cell reaction? 2 Fe2+(aq)…

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Q: C. Copper - Nickel N NI(NO,). (1.O M) || Cu Cucl, (1.0 M) 1. Draw the schematic of the…

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Q: How many Calories (nutritional Calories) does 16.4670 pounds of fat have? Show dimensional analysis,…

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Q: The hydrometer is a device for measuring the density of liquids. The bulb contains lead shot, and…

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Q: Write the equilibrium-constant expressions and obtain numerical values for each constant in the…

A: Here we are find the equilibrium constant expression for the basic dissociation of aniline and…

Q: (iv) [(n²-C;H3)(n°-CHs)M(CO)]"

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Q: The force constant for a H"F molecule is 966 N m, and with a bond length of 91.7 pm, rotates in a…

A: The energy of a rigid-rotor for a diatomic molecule is given as:   E(J)=h28π2IJ(J+1)

Q: A chemistry student weighs out 0.0874 g of sulfurous acid (H,SO), a diprotic acid, into a 250. mL…

A: Given-> Weight of sulfurous acid=0.0874g Volume of volumetric  flask= 250 mL  Concentration of…

Q: A chemist adds 1.05 L of a 0.40 mol/L calcium bromide (CaBr,) solution to a reaction flask.…

A: Given :- molar concentration of CaBr2 = 0.40 mol/L                Volume of solution = 1.05 L   To…

Q: (d) Complete the following reaction: hv (i) Cp2TiMe2 +2 [RCH=CHR] AlMez (ii) [Cp*Ir"Cl}]2 (iii)…

A: NiCl2(PMe3)2 + RMgCl → ?

Q: Terpin hydrate elixir should have _ mL of alcohol to make 250 mL elixir to ensure it will have 43%…

A: Given:: Volume of elixer = 250 ml  Strength of alcohol = 43% Volume of alcohol = ?

Q: Considering perfect gases, which state function is zero when two substances are mixed?…

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Q: Balance the following in both acidic and Basic solutions. N2O4(2) + Br(aq) + Br (aq) NO2 (aq) + BrO3…

A: The given redox reaction is: N2O4g+Braq-⇌NO2aq-+BrO3aq-

Q: Balance each of the redox reactions for the conditions stated Label the oxidizing agent and the…

A: Answer: Unbalanced redox reaction given in problem statement is: Fe(s)+ClO4-(aq)→Fe3+(aq)+ClO3-(aq)

Q: In the space below, write the wave function W, for a one-dimensional quantum harmonic oscillator in…

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Q: The molar solubility of MnCO3 is 4.2 × 10−6 M. What is Ksp for this compound?

A: Given-> Molar solubility = s = 4.2 × 10-6 M

Q: What is the basis in the simplified determination of the van't Hoff factor of electrolytes? O…

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Q: At 2000 K, the equilibrium constant, Kc for the decomposition of hydrochloric acid is 3.2 x 10-3. If…

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Q: What is the maximum wavelength of light capable of removing an electron from a hydrogen atom in the…

A: Maximum wavelength means minimum energy...

Q: Order the substances (A, B. C, D, and E) by their specific heat capacities from highest (5) to…

A: Answer: As we know, relation between heat added and temperature increased is as shown blow:…

Q: Considering perfect gases, which state function is zero when two substances are mixed? Entropy Gibbs…

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Q: Quèstion 22 Estimate the freezing point of 250 cm3 water sweetened by the addition of 2.7 g sucrose.…

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Q: Initial Post: For your initial post, describe how you personally experience acid/base chemistry in…

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Q: The densities, ρ, of SO2 at multiple temperatures are given below: t °C ρl (g·ml-1) ρv (g·ml-1)…

A: Solution- Data Given-  The densities, ρ, of SO2 at multiple temperatures are given below: t °C…

Q: Which of the following refers to the phase transition from liquid to vapor?     Sublimation…

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Q: nd the nuclear binding energy of potassium-40 (atomic mass - 39.9632591 amu) in units of joules per…

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Q: Do (b) (i)

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Q: The graph shows the titration of the aqueous solution containing 0.138 g of unknown monoprotic acid…

A: For a monoprotic acid and NaOH , first we right a balanced reaction. At equivalence point , acid and…

Q: A phase is a physical property of which describes the distance of molecules of matter. Phase also…

A: The given statements are :  Statement. 1 :- A phase is a physical property of which describes the…

Q: Problem Solving Directions: Solve the following problems. Write your complete solution. 1. A 60.00 g…

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Q: What volume would 1.20 moles of gas held under 846 torr pressure and 303 K occupy?

A: 20  Given :-  No. of moles of gas = 1.20 mol  Pressure = 846 torr  Temperature = 303 K  To calculate…

Q: Br What is the correct name of this compound ? a) 5-bromo-1-ethylcyclohexene b)…

A: Rules for Naming cycloalkenes :-  The double bond of cycloalkene must be given number 1 and 2  If…

Q: Do QUESTION (b) (i) early as possible I upvote

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Q: BuLi CH3I H3CS THE SCH3 SCH3 What is the radical reaction mechanism?

A: Detail free radical reaction mechanism is shown below

Q: 0.13865N HCl (500 mL) will be prepared from 12N HCl solution.

A: Given- N1=0.13865 V1=500mL N2=12N V2=?

Q: 279.28 mL of 1.22 M organic salt was mixed with 168.14 mL of Ethanol (d= 0.789 g/mL, MW…

A: Given,  Volume of organic salt in mL (solute) = 279.28 mL  Molarity of organic salt = 1.22 M  Volume…

Q: Which among the variables is NOT part of the distillation process?     Polarity     Vapor…

A: the variables that is NOT part of the distillation process is

Q: (c) "Benzyl cinnamate gives the dihydro-derivative on hydrogenation in presence of Wilkinson's…

A: Wilkinson's catalyst is the common name for chloridotris(triphenylphosphine)rhodium(I). which is…

Q: This refers to a point wherein both liquid phases have the same composition. Hence, extraction is…

A: Plait Point is defined as the intersection of raffinate-phase and extract-phase boundary curves. At…

Q: In which phase boundary is the equation, p = P* + - In applicable AV. T* O Solid-liquid boundary O…

A: The classius clapeyron equation is: dPdT = ∆HT∆V We have given the integrated form of the classius…

Q: Name the following molecuie. Use correct hyphens, include best placement of numbers and don't…

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Q: Atomic Emission Review Questions ame Section . How do energy? (Hint: Compare your observations of…

A: The lines seem to be in "levels" they do not seem to relate to a continuous data, i.e. for wegih, we…

Q: A sample of sodium undergoes a temperature change of +11.9 °C while absorbing 549.7 joules of 7.…

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Q: This refers to a point wherein both liquid phases have the same composition. Hence, extraction is…

A: Answer: This question is based on the Liquid-liquid extraction where certain terms are used to…

Q: Make 50 ml of the extraction buffer containing the following ingredients using the stock solution…

A: We need to make 50 mL of the extraction buffer.