What is the equilibrium constant value for  NaC2H3O2 and how do you find its Kb?

Q: Calculate the cell potential for this reaction, in the direction shown, at 298 K. Ca** (0.0000710 M)…

A: The concentration cell produces electricity due to the migration of matter from the higher…

Q: Draw Nh4+ Lewis structure

A: The lewis structure for the Above molecule is given below:

Q: 1 NH се 3 5 MULTI STEP + + SYNTHESIS NH2 će 2 ce 4 Eto Ac r.t. (5 min) oNa reflux Lhr се 3 4 6 - се

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Q: A plot of pressure-volume isotherms for an ideal gas at two different temperatures is shown below.…

A: Answer: In chemical thermodynamics expansion work is always taken as negative and compression work…

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

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Q: The reaction between iron(II) (Fe²+) and dichromate (Cr₂02-) in the presence of a strong acid (H+)…

A: We will use stoichiometry to solve this problem.

Q: From the shape of your graph, do you deduce/conclude that (circle your chole a) the rate constant…

A: According to Arrhenius equation, k = Ae-Ea/RT ln k =ln A -EaRT A plot of ln k versus 1/T gives a…

Q: 8. Calcium hydride, CaH₂, reacts with water to form hydrogen gas CaH₂ (s) + 2H₂O(l) → Ca(OH)₂ (aq) +…

A: Given -> CaH2(s) + 2H2O(l) ---> Ca(OH)2(aq) + 2H2(g)  Volume of H2 = 256 L  Pressure of H2 =…

Q: 2. Calculate the binding energy per nucleon for the following nuclei: a) ¹²C (nuclear mass,…

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Q: Methanol (CH3OH) is manufactured from carbon monoxide and hydrogen in the presence of a ZnO/Cr₂O3…

A: Le chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: For each of the following sets of quantum numbers, determine how many electrons in a single atom…

A: -> number of electrons in n = n2 ->Azimuthal quantum number (l) = 0 -> s l = 1-> p l = 2…

Q: Consider the following Lewis structure where E is an unknown element: :0: :Ö-E- :O: :Ö: î 2- What is…

A: Lewis Structure is simplified representation of the valence shell electrons in a molecule. It is…

Q: Express each of these concentrations in parts per million (ppm). 3.7 milligrams per kilogram of…

A: 1 ppm equals to 1 mg of solute per Kg of solution.

Q: ? H

A: The Kornblum oxidation is an oxidation reaction that converts alkyl halides into carbonyl compounds.

Q: Indicate whether each of the following molecules is aromatic (A), anti-aromatic (R) or non-aromatic…

A: Hückel's rule predicts that a planar ring molecule will have aromatic properties if it has 4n + 2 π…

Q: A Moving to another question will save this response. Question 21 Make the following calculation and…

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Q: ОН 1 ܘܟ 2

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Q: by increasing amount of energy required. ther words, for each set choose "1" next to the lonization…

A: 1.Ionisation energy is amount of energy needed to remove electron from outermost valency shell of…

Q: Write out the Bronsted-Lowry conjugate bases of the following acids. If a charge appears after a…

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Q: A Moving to another question will save this response. Question 14 All of the natural unsaturated…

A: Fatty acids are the building blocks of the fat in our bodies and in the food we eat. During…

Q: XOCI2, where X is an element with four valence electrons and an electronegativity of 2.4

A: Since the element has 4 valence electrons, the element corresponds to group 14. With an…

Q: A solution of hydrochloric acid at 22.791% by weight (HCl) has a density of 1.13 g/cm3. The molarity…

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Q: A student constructs a coffee cup calorimeter and places 50.0 mL of water into it. After a brief…

A: we have to calculate the calorimeter constant  we have to calculate the total heat evolved in the…

Q: iversity Science Boc presented by Macmillan Lear Hydrogen peroxide can be prepared by the reaction…

A: Given - Concentration of H2SO4=3.00M  Weight of BaO2=81.5g

Q: 5. Consider the following reaction: 2Fe(NO3)3(aq) + 3CuCl₂(aq) →2FeCl3(s) + 3Cu(NO3)2 (aq) The…

A: Given :  Concentration of Fe(NO3)3 at t = 19.4 s is 0.53 mol/L  Concentration of Fe(NO3)3 at t =…

Q: Enter your answer in the provided box. A gas expands and does P-V work on the surroundings equal to…

A: Given :-( 1) work done on the surrounding=  -259 j Heat absorbed by surrounding= +241 j (2)  V…

Q: rag the appropriate labels to their respective targets. N-terminal "art B C-terminal Submit Request…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: A 349 ml buffer soltution is 0.372 M in nitruous acid (HNO2) and 0.346 M in sodium nitrate (NaNO2).…

A: Buffer solution is defined as solution whose pH remain unchanged upon addition of small amount of…

Q: A 6.00 L tank at 26.7 °C is filled with 2.28 g of sulfur hexafluoride gas and 2.26 g of chlorine…

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Q: to The maximum contaminant level of lead (Pb) in drinking water as set by the the Environmental…

A: We need to use the formula of pom concentration to convert the given concentration to ppm .

Q: The Ninhydrin test is originally intended for what class of biomolecules? Why do have similar…

A: The Ningydrine test was originally intended for  alpha amino acids.  It gives similar reaction with…

Q: create a net ionic equation for the reaction between the following aqueous solutions: a)(CH3)3NHBr…

A: Answer:- This question is answered by using the simple concept of writing the net ionic equation in…

Q: 6. Calculate enthalpy change of the reaction using enthalpy of formation values. Hint: Used Balanced…

A: Given -> ∆H°f(C3H8) = -103.8 KJ/mole  ∆H°f(CO2) = -393.5 KJ/mole  ∆H°f(H2O) = -285.8 KJ/mole

Q: The pH of an aqueous solution of 0.559 M formic acid, (Ka(HCOOH) = 1.80 × 10-¹) is Submit Answer…

A: For a weal acid like formic acid the dissociation is weak , and in the water it dissociate to give…

Q: Which of the resonance structures below is more significant? H H O A NH structure A structure B both…

A: Resonance is an electron movement phenomenon.  Here we are required to find the resonating structure…

Q: A solution contains 8.70x10-³ M lead nitrate and 1.47x10-2 M barium acetate. Solid sodium phosphate…

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Q: You decide to heat a 12.0 ft by 18.0 ft by 8.00 ft room by burning butane gas, C4H10, to raise…

A: The heat gained or lost can be calculated as- q = m×C×∆T m is the mass of the substance C is the…

Q: Use the References to access important values if needed for this question. A sample of argon gas…

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Q: Combustion of hydrocarbons such as decane (C₁0H₂2) produces carbon dioxide, a "greenhouse gas."…

A: Answer:- Firstly a balanced chemical equation is written. Then using the stoichiometry, moles of…

Q: Calculate the standard potential (in V) of the following chemical reaction: 2Cu* (ac) → Cu²+ (ac) +…

A: We have to calculate the standard potential of the following reaction 2Cu+(aq) → Cu2+(aq) + Cu(s).…

Q: Danny had three colorless liquids to identify. He finds that each 200mL liquids have 162 g, 250 g,…

A: Given that, Danny had three colorless liquids to identify. In 200mL liquid X=162g  Y=250g  Z=202g We…

Q: A 349-mL buffer solution is 0.372 M in nitrous acid (HNO2) and 0.346 M in sodium nitrite (NaNO2).…

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Q: his tial might in destroyed, but we can estimate that its volume was 31,150 L (1100 ft³), given the…

A: Ideal gas law is the equation of state of an ideal gas that relates pressure, volume, quantity of…

Q: Draw the dipeptids that results when a peptide bond is formed between the two glycine molecule shown…

A: An chemical molecule called a dipeptide is produced from two amino acids. It is possible for the…

Q: Use Figure 7.6 to indicate which atom in each polar covalent bond would have the partial negative…

A: Polar covalent bond is made up of two atoms with different electronegativities. Atom with lower…

Q: The temperature of a 6.5 L sample of gas at constant pressure is 50c. calculate the temperature when…

A: Charles law : This law states that at  constant pressure the volume of an ideal gas is directly…

Q: 4. Aqueous nitric acid reacts with barium hydroxide to form water and salt. In a simple calorimeter,…

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Q: When chemical A and chemical B are mixed together, and endothermic reaction below occurs:…

A: Firat we need to calculate the heat of reaction. Then we will calculate moles of each reactant and…

Q: 5. Calculate the hydrogen excited state population difference between an acetylene-air flame (2400K)…

A: Degeneracy in ground state, g0 = 1 Degeneracy in ground state, g* = 4 ∆E = 3.02 x 10-19 J/atom…

Q: A buffer solution is 0.420 M in ammonia (NH3) and 0.303 M in ammonium chloride (NH4CI). It's Kb(NH3)…

A: we have to calculate the pH of the buffer solution after addition of LiOH

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.