How many core and valence electrons are there in Tellurium (Te)? Core: 46 Valence: 6 Core: 36, Valence 16 Core: 34, Valence 18 O Core: 48, Valence: 4

Q: 3C. Below are the gas chromatography results of two separate distillations of the same 1:1 mixture…

A: Fractional distillation was Successfull in separating the two mixtures of 1:1 Ethanol and butanol.…

Q: chemistry

A: Diffusion constant is given by, D = x2 /2T , where x is the distance and T is the average time the…

Q: Consider these reactions: Reaction 1: H2(g) + Cl2(g) 2HCl(9) AH = -184.6 kJ Reaction 2: 20F2(g) →…

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Q: Give only typing answer with explanation and conclusion The average human body contains 5.80 L of…

A: Number of moles of Fe2+ = Molarity × Volume = 2.00 ×10−5 M × 5.80 L = 1.16 ×10−4 mol Number of moles…

Q: Consider the reaction 2CO(g) + 2NO(g)2CO₂(g) + N₂(g) for which AH = -746.6 kJ and AS°= -198.0 J/K at…

A: Given that, the reaction is 2CO(g) + 2NO(g) →2CO2(g) + N2(g) ∆H° = -746.6 kJ∆S° = -198.0 J/KT =…

Q: Construct the expression for Kc for the following reaction. CO(g) + 2 H,(g) CH₂OH(g) Drag the tiles…

A: For a reaction aA (g) + bB(s)   <------>  cC(g) + dD(g), the equilibrium constant is given by…

Q: Correct each molecule in the drawing area below so that it has the structure it would have if it…

A: In the above question we have given two drawings, one contain carboxylic acid functional group and…

Q: A  150. g sample of KCl is dissolved in enough water to make 1.00 liter of solution. How many…

A: Mass of KCl = 150 g Molar mass of KCl = 74.55 g/mol   Moles of KCl =  mass / molar mass…

Q: Experimental data for a reaction involving phenol as a reactant at two different temperatures are…

A: In the above question given that  Time in hours, The rate constant at different temperatures and the…

Q: Gaseous ethane CH3CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and…

A: Balanced reaction Equation is  2C2H6 + 7O2 → 4CO2 + 6H2O   Given :    Mass of ethane = 17 g    Molar…

Q: Explain single bond rotation and different conformation of butane with stability order. Provide…

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Q: Solve the following problems while following the steps done in the previous example 1. LIOH 1. Mass…

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Q: Phosphate buffers are present in biological systems such as the blood plasma. If a buffer solution…

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Q: The distance from Philadelphia to Atlanta, GA is 4.17 x 106 feet. How many minutes would it take to…

A: Distance from Philadelphia to Atlanta = 4.17 ×106 feet  average speed = 65.0 mi/hr  To find out :…

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

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Q: Determine the polarity of the following compounds.

A: Polar compound: A polar compound is usually formed when one end of the molecule possess positive…

Q: Determine the pH of a 0.20 M solution of weak base pyridine C5​H5​N.Kb​=1.7×10−9.

A: PH is defined as power of hydrogen,it is calculated as negative logarithmic value of hydrogen ion…

Q: Draw structural diagrams to show an esterification reaction to produce phenyl propanoate. Name all…

A: When carboxylic acids are treated with alcohols in the presence of dilute acid produces esters. This…

Q: 14. a m O Ô u t TEUER Compound Y A Compound Y has no functional isomers B C Choose one correct…

A: Correct option is E : Compound Y is a chiral molecule

Q: The formation constant* of [M(CN)412 is 7.70 x 1016, where M is a generic metal. A 0.130 mole…

A: The question is based on the concept of chemical equilibrium. we need to calculate Equilibrium…

Q: Draw the structure(s) of the secondary alcohol(s) with the chemical formula C6H₁40 that have a…

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Q: Give only typing answer with explanation and conclusion An empty Erlenmeyer flask weighs 215.8 g.…

A: Weigh of empty erlenmeyer flask = 215.8 g weigh of empty erlenmeyer flask and water = 571.1 g…

Q: Consider 0.10 M solutions of the following substances. Rank the solutions in order of increasing pH…

A: The acid dissociation constant is (Ka) - it is the quantitative dimension of the strength of an acid…

Q: Tight junctions are cell-cell junctions found between adjacent cells of the epithelium that lines…

A: Tight junctions, also known as occluding junctions, are specialized cell-cell junctions that play a…

Q: Consider a chemical reaction between compound A and compound B. The reaction proceeds via a…

A: The concept of an endothermic intermediate step within an overall exothermic reaction may initially…

Q: how many alpha particles are produced as one atom of Am-243 decays to one atom of TI-205? How many…

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Q: Compare the 13C NMR spectra of isoborneol and camphor. Explain which peaks can be used to determine…

A: 13 C NMR spectroscopy is useful to determine types of carbons, their signals, splitting etc hence we…

Q: What are the significant IR of this spectrum? Explain the reason to come up to this data

A: A question based on IR spectrum of organic compounds. An IR spectrum is given whose significant…

Q: provide the mechanism for the following modified wittig reaction

A: Wittig reaction is used to generate a carbon-carbon double bond by using a phosphorus stabilized…

Q: The following is an example of a(n)

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Q: Explain how you would make 175 mL of a 0.33 M MgCl2 solution given that the molar mass of MgCl2 is…

A: Two questions based on concentration terms. Data required for preparing solution are given that are…

Q: Question: Consider a hypothetical chemical reaction between compound A and compound B. The reaction…

A: Introduction: The hypothetical chemical reaction between compounds A and B, yielding compounds C and…

Q: what is the energy of a photon with a frequency of 100Mhz

A: To solve this problem, we have to calculate the energy of the given frequency.   For this we will…

Q: Predict the major product of the following E2 reaction. CI A. B. C. D. JIII... f Strong, unhindered…

A: E2 elimination refers to a type of elimination reaction in organic chemistry. It stands for…

Q: 4. A chemist adds some zinc shavings to a beaker containing a blue solution of copper chloride. The…

A: (a) The balanced chemical equation for the reaction between zinc and copper chloride can be written…

Q: Draw the structure of the major organic product(s) of the reaction. OH + • You do not have to…

A: Anhydrides react with alcohols to form esters and Carboxylic acids.

Q: How does the electronic structure of transition metal complexes influence their reactivity?

A: The reactivity of transition metal complexes is heavily influenced by their electronic structure,…

Q: Which one of these equations represents the reaction of a weak acid with a strong base? Group of…

A: Given,The reactions:H+(aq) + OH-(aq) → H2O(aq)H+(aq)+ CH3NH2(aq)→ CH3NH3+(aq) OH-(aq)+ HCN(aq)→…

Q: A 59.0 mLmL sample of a 0.122 MM potassium sulfate solution is mixed with 34.5 mLmL of a 0.130 MM…

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Q: What is the theoretical explanation for the variation in ionization energy across a period in the…

A: The ionization energy across a period in the periodic table varies due to factors such as effective…

Q: Which of these molecules, a, b, or c, will cyclize to yield the structure on the left? ОН 0 OH…

A: To find out the molecule which can form the following molecule on cyclization:

Q: Be sure to answer all parts. Predict the major product in the following reaction. Name the alkene…

A: Chlorination of alkene .

Q: MORE PRACTICE: Balance by oxidation Number Method. 1. MnO, + SO, Mn² + SO² ... in acid. -

A: To solve this problem we have to balance the given chemical equation in acidic medium by oxidation…

Q: 3. The most ionic and least ionic of the common alkali halides are, respectively, CSF and Lil. A…

A: write the overall cell reactions for the given scenarios, let's analyze each situation separately:…

Q: Several of the molecules called vitamins act as enzyme cofactors. Vitamin deficiencies cause…

A: Vitamins deficiency can cause disease and several of the molecule called vitamins act as enzyme…

Q: What will happen to a red blood cell (rbc), which has an internal ion concentration of about 0.9…

A: When a red blood cell is placed in pure water, which is a hypotonic solution compared to the…

Q: Consider a hypothetical chemical reaction A + B → C, where A and B are reactants and C is the…

A: Introduction:  Catalysts play a crucial role in chemistry by facilitating reactions and increasing…

Q: Explain the concept of chirality in chemistry and its importance in drug development. Additionally,…

A: Chirality, the property of molecules existing in two non-superimposable mirror-image forms, holds…

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

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Q: An aq solution has a hydroxide ion concentration of 5.0x10^-8M. What is the ph

A: The hydroxide ion concentration , [OH-]=5.0×10-8 M