If 0.654 g of a primary standard acid (potassium hydrogen phthalate, molar mass = 204.23 g/mol) requires 24.42 mL of a NAOH solution of unknown concentration to reach an endpoint. What is the concentration of NAOH?

Q: 4. Circle the electrophilic and nucleophilic atoms in each substitution reaction below. Provide the…

A: We have to identify the electrophilic atom and the nucleophilic atom, also the stereochemistry of…

Q: A solution is prepared that is initially 0.078M in propanoic acid (HC,H,CO,) and 0.38M in potassium…

A: We have to fill the table.

Q: Write the solubility product constant for: A. BaCrO4 B. Ag2CrO4 C. Mg3(PO4)2

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Q: ApH buffer is a solution that resists changes in pH when acids or bases are added to it-typically, a…

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Q: Show and label the mechanism for the SN1 reaction using the generic chemical species and electron…

A: SN1 is called as unim nucleophile substitution reaction. This reaction takes place in two steps…

Q: d Show the mechanism for reaction A. e Reaction A was repeated with 2-bromo-2-methylpropane instead…

A: Note : According to our guidelines we are supposed to answer only first three subpart.  Kindly…

Q: In the reaction Na2CO3(s) + 2HCI(aq) → 2NACI(aq) + H20(1) + CO2(g), how many moles of CO2will be…

A: ★ Answer : Correct option is 0.346 mol.   ★ Solution :   The given reaction is - Na2CO3(s) + 2 HCl…

Q: The following reaction produces a mixture of constitutional isomers. Draw the mechanism to determine…

A: When alkene react with hydrogen halide then it undergoes markovnikov's addition to give addition…

Q: A student determined that it took 5.65 mL of NBS to reach an endpoint with a standard solution that…

A: Solution - According to the question - Given - 5.65 mL NBS is used to reach end point concentration…

Q: how many milliliters of an aqueouS solution of 0.124 M barium hydroxide is needed to obtain 12.7…

A: We have 0.124 M of salt , we have to predict the volume of solution needed for 12.7 g of the salt .…

Q: At 25°C (298 K) Heat of formation of C6H6 AHF° = - 156 kJ/mol Cp of C6H6 = 156.5 J/mol-K Cp of H2 =…

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Q: Calculate the elecytomotive force (in volts) registered by an electrode immersed in a solution…

A: To calculate the electromotive force registered by an electrode we must use the nernst equation.

Q: Question 2 Only one of the statements below is correct; which one? O Two solutions are hypotonic…

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Q: How much energy (in kJ) is released when 71.0 g of oxygen difluoride decomposes? Answer: kJ (enter a…

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Q: What volume in liters of fluorine gas is needed to form 261 L of sulfur hexafluoride gas if the…

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Q: Suppose you measure the absorbance of a yellow dye solution in a 1.00 cm cuvette (b31.00 cm). The…

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Q: 6.29. Find the number of conduction electrons in a 1-meter cube of copper if o= 58 MS/m and u- 3.2 x…

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Q: What is the balanced eqauation for the cooper (I) ion being oxidized to the cooper (II) ion by…

A: GIVEN:-

Q: Write the complete mechanism (including intermediates) for the reaction of trans-stilbene with…

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Q: What volume (in mL) of 8.84 M HBr would be required to make 300.0 mL of a solution with a pH of…

A: Given data of the following, M1 = 8.84 M , V1 = ? For second case, pH = 3.15, V2= 300.0 ml

Q: Predict the structure of the final product. Draw the structure of each reaction step of the…

A: We have to predict the product of the reaction.

Q: E'= 1.678Y Nida(s) Cu?9) -> Curs) Given unbalon ced areacrion: Eこ0.34 2 V Draw the galvanic cell (be…

A:

Q: Do both please

A: GIVEN:-

Q: BIIIU X X1 - EIEIE IIT Ell Tx Normal Actual mass used in solution prep (g) Volume solution prepared…

A: Both NaCl and NaI are completely soluble in water. Also, both NaCl and NaI produce same number of…

Q: rom the following combinations of AH and AS, predict if a process will be spontaneous at a high or…

A: Given: We have to tell at what temperature process will be spontaneous.

Q: 2626 nm

A: Answer

Q: (Q16) What is the pH of a solution that is 0.737 M in ethylammonium chloride (CH3CH2NH3CI)? The Kb…

A: Answer: 5.44

Q: Boiling point of solution  99℃ Mass of flask  118.2g Mass of distilled water w/ flask 209.2…

A: Boiling point of distilled water = 97℃ Boiling point of solution = 99℃ □Tb = 99 - 97 = 2.0 °c…

Q: CN double bond (indicated by the highlighted portion) is a sigma and pi bond. v orbitals on C with…

A: Sigma bond- overlapping between Sp2 hybrid orbital of  carbon and nitrogen. Pi bond- overlapping…

Q: Select the ions or atoms from the following sets that are isoelectronic with each other (a) OS O K*…

A: Isoelectronic species are known as atoms or ions that have the same number of electrons.

Q: Draw the skeletal structures of the hydrolysis products carboxylic acid and alcohol formed when the…

A: Ester hydrolysis reaction: Esters are hydrolyzed into carboxylic acid and alcohol in the presence of…

Q: (a) How many milliliters of 0.145 M HCl are needed to neutralize completely 45.0 mL of 0.101 M…

A: a) Given that, 45.0 mL of 0.101 M Ba(OH)2 solution.  And 0.145 M of HCl solution. We have to…

Q: [Review Topica) [References] Use the References to access important values if needed for this…

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Q: following food groups is NOT a source of carbohydrate? A. Breads and pasta B. Fish and poultry C.…

A: Note : As you have uploaded multiple questions, so I'll answer first three questions. Please upload…

Q: 11. What is Hybridization? And where does it happen and how does it happen and what are its types…

A: Hybridization is a process of intermixing of atomic orbitals of a atom during molecule formation.

Q: H. -Br thylaziridine thylaztidene ethylazete

A: When NH group is a part of cyclic ring it is called as aziridine  Now on position 3 bromo group is…

Q: 1. NaOCH2CH3 2) CH3CH2CH2CI (1 equiv) Select to Draw H3O* heat

A: GIVEN:-

Q: The following molecules are in L-configurations EXCEPT: * a. C. OH CHOH OH HO-H,C он CH, -OH ÓH OH…

A: for D-sugars, the CH2OH carbon will end up on the top of the Haworth for L-sugars, the CH2OH carbon…

Q: what philosophy you believe, the atomism or the natural elements? Why?

A: Atomism Is a philosophical concept. It propose that physical univers is composed of invisible…

Q: Discussion 1. Why Aniline point adopted a rough measure of the content aromatic? 2. Useful Aniline…

A:

Q: One Erlenmeyer contains 50 mL of 0.1 M Na2CO3 solution, the other Erlenmeyer contains 50 mL of 0.1 M…

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Q: Question 2 Only one of the statements below is correct; which one? O Two solutions are hypotonic…

A: In this question, we have to choose the statement which is given correct. Isotonic solution:…

Q: Determine the dissociation constants for the acids. Express the answers in proper scientific…

A: Calculate dissociation constant for acids--

Q: 2. H,O' workag HKI cat. NalOAch (-H0) reagens) R reapenis)S structure T structure U 1. CHI structure…

A: Let us discuss both the reactions.

Q: Is the corrosion process a spontaneous redox reaction?

A: we know that in presence of moisture and air(oxygen) metals get corroded. Therefore​ corrosion is a…

Q: Provide a synthetic pathway for the following transformation and draw intermediate structures. The…

A: Decarboxylation occur when carbanion is stabilized after leaving CO2....

Q: но 1. Hас CH3 H3C CH3 and H. OH H3C. CH3 2. H3C CH3 HO and H H3C. CH3 CH3 HO H OH 3. and

A: Given are organic molecules.

Q: A nitrogen molecule at the surface of earth happens to have the rms speed for that gas at 0°C. If it…

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Q: at are the concentrations of pentachlorophenol and pentachlorophenate if a 0.2 mm pentachlorophenol…

A: Given : We have to calculate the concentration of pentachlorophenate.

Q: Identify the products formed in this Brønsted-Lowry reaction. HSO, + CN- = acid + base acid: base:

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…