What does the atomic number of each atom represent

Q: What is the concentration of CuS in a solution in which [H3O*] is held constant at 2.0x10 M?

A: The solubility product constant is the measure of dissolution of solute in an aqueous solution, whic...

Q: label the stereocenters r,s,e,z and specify if any are meso. whats are the products to each orher? d...

A: R/S configuration assign to the chiral carbon atom. First step is to identify the chiral carbon and...

Q: Draw structure for the major reaction products of each of the following reactions

A: Since you have posted a question with multiple sub-parts, we will solve first three subpartsfor you....

Q: Predict the order of elution of benzyl alcohol (C6H5CH2OH), benzaldehyde(C6H5CHO), benzoic acid (C6H...

A: Elution is dependent on the polarity of the compound. They are inversely related to each other. If p...

Q: A concentration cell similar to the one shown is composed of two Cu electrodes and solutions of diff...

A: The cell potential can be calculated using Nernst equation, Ecell = E° - 0.0592n log QSince, the ele...

Q: Select the syntheses that would prepare the alkene shown as the major product. 1) bromocyclopentane ...

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Q: Consider the following Bronsted-Lowry equilibrium: CH5NH2(aq) + H20m = CH&NH3 (m) + OH (a) + OH (aq)...

A: The conjugate acid has one additional hydrogen atom and an extra positive charge than its base from ...

Q: Monosaccharide Disaccharide Polysaccharide

A: Carbohydrates are the basic constituents of food in the form of sugar, starch and fibers. These are ...

Q: Explain how the Rf (Retention Factor)-values can be in agreement or disagreement with the “like diss...

A: Interpretation -  To explain all about that how the Rf ( Retention factor ) - values can be agreemen...

Q: A 29.8 g sample of water at 4.7 C is mixed with 52.5 g of water at 74.8 C. Calculate the final tempe...

A: Given data,Mass of water(1)=29.8gTemperature(T1)=4.7oCMass of water(2)=52.5gTemperature(T2)=74.8oCSp...

Q: Using the equations SrO (s) + CO2 (g) → SrCO3 (s) AH° = -234 kJ/mol 2 Sr(s) + O2 (g) → 2 SrO (s) AH°...

A: The given three equations are rearranged, multiplied by required coefficient if needed and rewritten...

Q: Write the formulas of the following compounds:(a) barium chloride(b) magnesium nitride(c) sulfur dio...

A: Given compounds, (a) barium chloride(b) magnesium nitride(c) sulfur dioxide(d) nitrogen trichloride(...

Q: The balanced equation for the reaction of nitrogen and fluorine gas to form nitrogen trifluoride is ...

A: Nitrogen reacts with fluorine to form nitrogen trifluoride. The balanced chemical reaction is as fol...

Q: (SYN) Draw a diene that would react with Grubbs catalyst to produce each of the following compounds....

A: a) A ring is formed in the reaction, and therefore, two C=C terminal groups in the reactant must be ...

Q: Ba(OH)2(aq)+HBr(aq)-->? Ionic equation: Net Ionic Equation:

A: The required answer is as follows:

Q: What volume of a 0.250M KMNO4 (aq) contains 0.500g KMNO4?

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Q: Write the equations that represent the first and third ionization steps for arsenic acid (H3ASO4) in...

A: Arsenic acid (H3AsO4) is a Bronsted acid, i.e. it gives H+ ions in the aqueous solution. It is a tri...

Q: ) How could you prepare cis-2,3-diethyloxirane from ethyne? (Show all reagents and intermediates).

A: Given reaction,   Preparation of cis-2,3-diethyloxirane from ethyne.

Q: How many moles of precipitate will be formed when 120.0 mL of 0.150 M LiBr is reacted with excess Pb...

A: The chemical reaction between aqueous LiBr and Pb(NO3)2 produces a solid precipitate of insoluble Pb...

Q: Data: t/°C 20 30 40 50 V NAOH / mL 13.1 26.2 16.0 21.8 *Volume of sample solution for titration: 25 ...

A: Solubility of benzoic acid in water is not possible as benzoic acid is a non-polar molecule. It can ...

Q: (i) NBS, MeOH ? (ii) Na OEt, ELOH OMe O A. ÓEt OEt O B. ÓMe Br OMe OD. Br OMe O .

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Q: The balanced molecular equation for complete neutralization of H2SO4 by KOH in aqueous solution is...

A: Neutralisation reaction is a reaction in which the acid reacts with base to form salt and water. Giv...

Q: Calculate the pH of a solution in which [H3O*] = 4.79×10 M. Give your answer to two places after the...

A: The pH of a solution is given by: pH = -logH3O+

Q: Draw structural formulas for the major product(s) formed by reaction of 3-hexyne with each of these ...

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Q: How would you prepare the following esters

A: Esters can be synthesized by the reaction of alcohol and carboxylic acid in an acidic medium

Q: If 6.33 mL6.33 mL of 10.0 M NaOHNaOH is used for a reaction, calculate the number of moles of NaOHNa...

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Q: The free energy change for the following reaction at 25 °C, when [Zn²*] = 6.08×10³ M and [Cu²*] = 1....

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Q: Calculate the rate constant,k, for the reaction about. Show work and include units Rate= k[No]^2[H2]...

A: Let x and y be the order with respect to [No] & [H2] respectively .  Let us find order of reacti...

Q: What chemical reaction happens when dye is exposed to air?

A: The coloured compounds that are chemically bound to the substrates and induce visually detectable co...

Q: What ions are present in the following solutions: a. Co(NO3)2 b. Na2CO3 c. Ni(NO3)2     d. Na3PO4

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Q: Iron(III) oxide reacts with carbon monoxide according to the equation Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g)...

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Q: For a 0.15 M H3PO4(aq) solution, determine pH [H3PO4], [H2PO4-], [HPO42-], and [PO43-]

A: Given: Concentration of H3PO4 = 0.15 M Ka1 = 7.1×10-3 Ka2 = 6.3×10-8 Ka3 = 4.5×10-13    

Q: A TLC plate showed two spots A and B with Rf 0.20 and 0.30, respectively. Sketch a TLC chromatogram ...

A: Sketch of TLC chromatogram: TLC plate = 10cm

Q: 9. For the chemical reaction A → B + C, a plot of [A] versus time is found to give a straight line w...

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Q: Question 5 Sodium does not ordinarily form the Na2+ ion because the second electron removed is from ...

A: An electronic configuration of an atom tells how the electrons are present in different orbitals. El...

Q: Select the amide formed by this reaction (water is also formed). Assume that a reaction occurs, even...

A: Reaction of amines and carboxylic acids in the presence of thionyl chloride leads to the formation o...

Q: 2. A0.136 g sample of an unknown metal (X) reacted with excess hydrochloric acid according to the fo...

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Q: Ka for hypochlorous acid, HCIO, is 3.50x108 Ka for hydrocyanic acid, HCN, is 4.00x10-10 Ka for hydro...

A: The species formed after the removal of proton from acid is known as conjugate base of the acid.This...

Q: 4. Give IUPAC names for the following compounds b) H c) d)

A: Since you have posted a question with multiple sub-parts, we will solve first three subpartsfor you....

Q: Select ALL of the TRUE descriptors of this structure: CH,OH -OH H- OH CHOH

A: For a sugar drawn in the Fischer projection with the most oxidized carbon at the top (i.e. aldehyde ...

Q: Which of the compounds would have the shortest retention time on a non-polar GC column? он OH OH Hyd...

A: The time spent in the stationary and mobile phases is retention time, where the retention time is de...

Q: Use the References to access important values if needed for this question. Use the standard reductio...

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Q: An adult eats food whose nutritional energy totals approximately 2400 Cal oer day. The adult burns 2...

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.