Why is sodium carbonate used in the reaction to prepare Nylon-6,10?

Q: How many electrons are exchanged in the completed reaction Ba (s) + Al(NO3)3(aq)

A: Oxidation reduction reaction (Redox reaction) It can be defined as the chemical reaction in which…

Q: 4) Students were asked to perform a lab to identify an unknown acid. The experiment has several…

A: Mass of NaOH = 4.03 g Molecular weight of NaOH = 40 g/mol Number of moles of NaOH = mass/mol.wt. =…

Q: Each row of the table below describes an aqueous solution at about 25 °C. Complete the table. That…

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Q: A 5.71 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given Mass of unknown salt = 5.71 g Molar mass = 116.82 g/mol

Q: A 5.71 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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Q: What is the magnetism of C₂? 2. What is the bond order of C₂? 3. Which among the following is…

A: For the magnetism and bond order of C2 we will have to draw the molecular orbital diagram for the…

Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the…

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Q: A certain weak acid, HA, has a K, value of 3.6x10-7. Y Part A Calculate the percent ionization of HA…

A: A certain acid HA has the dissociation constant (ka) of 3.6 x 10-7. As the value of dissociation…

Q: Calculate the concentrations of all species in a 1.56 M NaCH₂COO (sodium acetate) solution. The…

A: The ionization of 1.56 M NaCH3COO solution is, NaCH3COO (aq) → Na+ (aq) + CH3COO- (aq) Ka of CH3COOH…

Q: A student dissolves 11.3 g of potassium hydroxide (KOH)in 300. g of water in a well-insulated open…

A: Answer: To solve this question it is important to understand that water will be considered as…

Q: 4. Determine if each Fischer projection is chiral or achiral. If chiral, identify it as the d or l…

A: Molecule which has chiral carbon center that means all four group attached with that carbon is…

Q: Given the thermochemical reaction CH4 + 2O2 → CO2 + 2H2O      ΔHΔ� = -890.0 kJ   how much energy…

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Q: Will the following reaction proceed as written? Select an answer and submit. For keyboard…

A: To draw the product of the given organic reaction.

Q: {Volume of NaOH dispensed (mL)  41.87mL, 41.95mL, 41.75mL}  {Vinegar volume (mL) 5.00mL, 5.00mL,…

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Q: 1. What is the pH at the half-stoichiometric point for the titration of 0.10 M CH3NH₂(aq) with 0.10…

A: Given that Kb for CH3NH2 = 3.6 × 10–4 pKb = – log Kb = – log(3.6 × 10–4) = 3.44

Q: An unknown weak acid with a concentration of 0.590 M has a pH of 5.600. What is the Ka of the weak…

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Q: What is the pH of a 0.783 M HA and 0.545 M A- buffer after 0.039 moles of strong acid are added? The…

A: It is based on the concept of buffer solution. Here we are required to find the pH of the buffer…

Q: buffer 1: buffer buffe NH3 NHA 2. Write a reaction equation to show how one of the components of…

A: Buffer chemistry refers to the use of buffers in chemical systems to maintain a constant pH (acidity…

Q: Determine the volume in milliliters of a 0.204 M NaOH solution needed to neutralize a 215 mL…

A: Answer:- This question is answered by using the simple concept of chemical reaction of acid and base…

Q: How many grams of solid potassium nitrite should be added to 1.00 L of a 0.221 M nitrous acid…

A: Using Henderson hasselbalch equation, we have:    For acidic buffer:    pH = pKa + log[salt]/[acid]

Q: 2 < While using the Half Volume method, your solution was dark pink (you overshot the endpoint) and…

A: ll

Q: To make a buffer with acetic acid (Ka = 1.8 X 10 5M) with a pH of 5, what would the ratio of Acetate…

A: Given, Ka value of acetic acid = 1.8 × 10-5 M pH of the solution = 5 Acetate ion : Acetic acid (A-1:…

Q: 2. Classify the following monosaccharide, erythrose, as an aldotetrose, ketotetrose, aldopentose, or…

A: Solution - Monosaccharides - Monosaccharides, also called simple sugars, are the simplest forms of…

Q: Part 3) Determine the identity of a unknown solid The standardized solution of NaOH was then used to…

A: Given that,  The molarity of the standard NaOH solution is 0.1851 M. The volume of the standard NaOH…

Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the…

A: Ba(CHO2)2 is a salt of strong base Ba(OH)2 and weak acid HCHO2 In aqueous solution, Ba(CHO2)2 → Ba+2…

Q: 1. Define the following synthons (retrons) A-D as either donor synthons or acceptor synthons.…

A: Given some synthons, we have to distinguish whether they are acceptor type oor donor type.Also we…

Q: 3. CH₂OH For each of the following, indicate whether the carbon in red is chiral or achiral. Cl…

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Q: How would we know using aromatic vicinal coupling that the c-c bond was formed between compound B…

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Q: Be sure to answer all parts. We can use bond-line formulas to represent alkenes in much the same way…

A: To solve this problem we have to identify the hybridization of carbon atom in the given compound.

Q: Fuorine qas and water vapor react to form hydrogen fuoride gas and oxygen. What volume of cxygen…

A: Fluorine and water in gaseous States are very reactive. They reacts with each other vigorously.

Q: Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule CO2 NH…

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Q: Fill in the missing chemical formulae in the tables below. acid HNO3 + H₂0 H₂O conjugate base 1 0…

A: From the Bronsted-Lowery acid base theory , " the bases are those species which accepts proton from…

Q: 1.Determine the density of a 16.25 g sample of stone that displaces 5.0 mL of water.

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Q: 2 N₂O5(g) --> 4 NO₂(g) + O₂(g) True/False: The equation is already balanced as it is written.

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: Consider the reaction N2(g) + O2(g) + 2NO(g), for which Ke=0.81 at 300°C. Starting with initial…

A: Given  N2 (g) + O₂ g &lt;-----------&gt; 2NO(g) Keq. = 0.81 at 300°C Initial concentrations: [N2]…

Q: Select the correct product for this reaction. Select an answer and submit. For keyboard navigation,…

A: Ketals and acetals are formed from carbonyl compounds under anhydrous condition in presence of acid…

Q: Using the provided table and the equation below, determine the heat of formation (in kJ/mol) for…

A: standard enthalpy change of formation is equal to the sum of the standard enthalpies of formation…

Q: H Hg(OAc)2, H₂O, THE draw all stereo isomers NaBD4, OH (D = ²H) draw all stereo isomers

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Q: Provide bond line structures of the hydrate forms of (a) 3-heptanone and (b) butanal.  Please…

A: Solution: We know that the aldehydes and ketones react with water to give 1,1-geminal diols known as…

Q: Draw the structural isomers of C2H4BrCl and identify which of them has a chiral center. Then, create…

A: Draw the structural isomers of C2H4BrCl and identify which of them has a chiral center. Then, create…

Q: molecule proposed Lewis structure H₂B03 CIO 3 H-O CIF 3 .. - : F I. BO H I :0: | H J :0: :F: T .. :0…

A: H3Bo3=Yes,it is a reasonable structure All the valence electron of O,B,H are satisfied,octets are…

Q: You collected 44.1 mL of hydrogen gas in a eudiometer following the procedure outlined in this…

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Q: Draw the two major organic products for the reaction: CH3OH

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Q: Calculate the ratio [C6H5NH2]/[C6H5NH3+] if the solution has the following pH value. (Assume that…

A: It is based on the concept of buffer solution. Here we are required to find the ratio of…

Q: What is the major organic product or products for this reaction? Select an answer and submit. For…

A: In the above reaction an epoxide ring is treated with CH3CH2MgBr (Grignard reagent) then H3O+.  This…

Q: When the alkene below reacts with Hg(OAc)2, two mercurinium ions form in equal amounts. Draw both…

A: The given question contains various reactions of alkenes. The reactions are explained below-

Q: An aqueous solution at 25 °C has a OH concentration of 1. × 10 M. Calculate the H₂O concentration.…

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Q: Using the concentrations found in the experiment for the iron cation and thiocyanate anion determine…

A: Given,[FeSCN]=1.71ml [SCN]=4.00ml [Fe]=0.339 Kc = [FeSCN ]/ [Fe ][SCN ] Kc = 1.71/0.339 *4 Kc =…

Q: Concentrated sulfuric acid is used as a catalyst for the Fischer esterification. Why is sulfuric…

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Q: 1.Calculate the ratio of conjugate base/ weak acid at pH 9.3. Show all details of your working out…

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