Which of the following solutions can act as a buffer? HCI and NACI NaCl and H2O NAOH and HCI NH3 and NH CI

Q: It's 32°F (0°C) outside under normal atmospheric conditions (1 atm) at a stunt performer's birthday…

A: Ideal gas equation can be used to calculate volume.

Q: 1. What is the ionic strength of a solution composed of 0.M NaCl and 0.2M Na,SO,?

A: 1. Given,Concentration of NaCl solution = 0. MConcentration of Na2SO4 solution = 0.2 MRequired,…

Q: Molecular (covalent) compounds

A: Covalent compound are those compound where the atoms share the electrons between them and also there…

Q: +. +. D(3147) Caught Dislocat 404-File or directory not f OWLV2 | Online teaching an…

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Q: Lithium/iodine batteries are commonly used in pacemakers. The chemical reaction involved in this…

A: Detail description is given below

Q: Which of the following does not describe beta particles? A. Beta particles can be stopped by a sheet…

A: Beta particle (β) is a type of high speed radiation with a negative charge.

Q: N2 (g) + 3H2 (g) NH3 (8) AH is negative From the given reaction at equilibrium above, use Le…

A: Equilibrium is a condition that occurs when a chemical reaction is reversible, and the forward and…

Q: 10. Based on the VSEPR theory, a molecule MCI3 was found to have sp’ hybridization at the central…

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Q: Given the following physical and chemical properties suggest at least one used in society for the…

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Q: Rank these hydrogens as to acidity. H;C HO. нн A C A most, C least O C most, B least O A most, B…

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Q: (3147) Caught Dislocat 404 - File or directory not f * OWLV2 | Online teaching an X 中…

A: ->At anode there occur Oxidation and at cathode there occur reduction.

Q: Given the data, what pressure would the butane gas sample have at a volume of 135.0ml? Please show…

A: According to Boyle's law, at constant temperature(T) and the number of moles of gas(n), the…

Q: Which of the following systems are aromatic? 2 3 Select one: O 1, 2 and 3 O 1, 3 and 4 O None of…

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Q: major product.

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Q: At 25.0 °C the Henry's Law constant for nitrogen trifluoride (NF) gas in water is 7.9 x 10 "M/atm.…

A: The correct answer is given below

Q: Identify the compound showing on this spectroscopy road map. Organic chemistry

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Q: Compound X, C24H36B1204, reacts with excess H2/Pd to give C24H46B12O4. Compound X has rings and…

A: Molecular formula of reacts= C24H36Br2O4 Molecular formula of product = C24H46Br2O4

Q: 15. Which statement is not evidence for the wave-particle duality of light? O Light travels at a…

A: The objects bent when it seen through a galss of water is the refraction property of light only. So…

Q: 51. Convert the following. Show your work! a. 816 mm Hg = atm %3D b. 0.954 atm = kPa C. 101 kPa = mm…

A: Please note: As per our company guidelines we are supposed to answer only three parts of one…

Q: )Find the volume and the mass 2) how many mL of 0.050M NaOH you need to add 20.0mL of this buffer to…

A: Concentration of acetic acid stock = 12.0 M Volume of buffer = 100.0 mL Concentration of buffer =…

Q: Which of these 5 compounds is likely to smell best? Write that answer first. Then, which of the 5 is…

A: The smell of organic compounds can be generally attributed to the functional group present in the…

Q: A solution of HA (0.197M; 81.7mL; Kp =5.5E-7) is titrated with 0.4334M KOH. Determine the pH at the…

A: pH of solution at different points can be calculated using Henderson hasselbalch equation.

Q: 32. Draw all possible alkene products of the following reaction, their mechanisms and circle the…

A: In this question, we will draw all the possible products of alkene which is formed by the E1 and E2…

Q: What is the molality of a solution labeled "8.6% glucose (C6H12O6) by weight?" (glucose MW: 180.156…

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Q: What mass of CaSO4 will precipitate after mixing 50.0 mL of 0.020 M Ca(NO3)2 with 50.0 mL of 0.0080…

A: Answer: On mixing two solutions, precipitate of a sparingly soluble salt will only form when its…

Q: (FREE) R&B x Trapsoul Type 404 File or directory not fo X OWLY2 | Online teaching an X +…

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Q: how many amino acids is present in myosin (cite your sources) 2. Structure Characteristics/…

A: Myosin is a motor protein that converts chemical energy (ATP form) to mechanical energy and…

Q: 4. Draw an energy level diagram for bromine

A: Energy level diagram for bromine

Q: Given 735 g of carbon; what volume will carbon occupy assuming it has a density of 3.5 m/L. What is…

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Q: A gas will behave ideally as long as it is at a high and a low A) temperature; pressure B) pressure;…

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Q: a.) Define what is a salt bridge  b.) what is the role of the salt bridge in galvanic cells? c.)…

A: Salt brige is used in galvanic cell, it has a great role in electrochemistry.

Q: In order to form a tertiary alcohol excess CH3MgBr could react with: HO. A A, C, and D A, B, and D A…

A: Ketones react with Grignard reagent forms tertiary alcohol. In the case of acid and cyclic ester…

Q: In the United states densities are sometimes given in the unit lb.ft. At 20 °C, what is the density…

A: Given that -  Density of water = 0.998 g/mL    We know that 1 kg = 1000 g , and 1 L = 1000 mL then -…

Q: Write the complete ground-state electron configuration P3. For multi-digit superscripts or…

A: The phosphorous is present in p block.  So the valence electron should be in p orbital.

Q: 0.700 g of an impure FeCl3 sample are dissolved in water to create 50.0 mL of solution. It took 1.54…

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Q: Show solutions. Answer all item. Show oxidation number per element and sum of oxidation number per…

A: Following question show reaction oxidation and reduction and oxidised agent and reducing agent…

Q: Given set  A = {all elements that belong to Halogen family}, use roster form to rewrite this set…

A: Roster form description is a form in which a set of elements are listed in a bracket using commas.

Q: 34. Propose a mechanism for the following reaction: H + H20 CH, CH2CH2CH2 он

A: In this question, we will draw the mechanism steps for the formation of cyclic ether from the given…

Q: Metabolic rate is define as the rate of oxidation true O false

A: The amount of energy expended by an animal over a specific period of time is called its metabolic…

Q: A Solution is formed when two or more substances combine to yield a mixture that is homogeneous at…

A: Solution : It is the homogeneous mixture of two or more species together, it generally consists of…

Q: atoms, the electrons are found in the first, second, and third energy levels. These electrons will…

A: A spectra is formed due to release of energy  when an exited electron jumps into higher level and…

Q: Explain why this compound is highly unstable?

A: The bond angle of the tetrahedral carbon atom (sp3 hybridized carbon atom) is 109o28'. In the…

Q: In order to form a tertiary alcohol, excess CHsMgBr could react with which one(s) of these…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: The molecular formula CH40 can be converted into three-line bond (Kekulé) structures that are…

A: Given  a molecule with a formula C2H4O. We have to write it's original Kekule structure .

Q: CH3 Write in the correct reagents for these transformations: a) cyclohexanol chlorocyclohexane b)…

A: Here we are required to predict the reagent needed to carry out the following conversion

Q: Identify the main product from the following reaction: I) EtMgBr (1 equivalent) THF,-78 'C product…

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Q: H3C—N̈H2 reacts with BF3 in a combination reaction, forming H3C—NH2—BF3 with a covalent bond between…

A: Lone pair donor is base and lone pair accepter is acid.  Proton donor is acid and proton accepter is…

Q: Using the bond enthalpy data from the table below, estimate the enthalpy of reaction (kJ/mol) for…

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Q: (b) 1. SOCI2 H. OEt ОН 2. NaN3, heat 3. ELOH i) draw the products after the first and second step…

A: The first step is the conversion of carboxylic acid to acyl chloride by reacting with thionyl…

Q: Chemistry Calculate A)Mass of cold water (g) B)Mass of hot water (g) C)Calorimeter constant (J/C).

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.