QUESTION 4 A 0.200 M of hydrobromic acid, HBr was titrated completely with 20.0 mL of 0.100 M methylamine, CH3NH2 at 25°C. Calculate the pH of salt solution produced at the equivalence point. K₂ of CH3NH3* is 2.3 x 10-11. HBr (aq) + CH3NH2 (aq) → CH3NH3Br (aq)

Q: Standard solution used in nonaqueous alkalimetry: a. hydrogen bromide b. sodium hydroxide c.…

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Q: The ionization constant of water at a certain temperature is 1.7 x 10-14. Calculate the pH of water…

A: given, the ionisation constant of water, Kw = 1.7×10-14 using, Kw = [H+][OH-]

Q: What is the percent error for the above reaction if the actual yield is 1.1g of iron? Above reaction…

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Q: The equilibrium pressure of H2 over U(s) and UH3(s) between 450 K and 715 K fits the expression ln…

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Q: 13. Give the product of this reaction: CHNNTH(? ü) kOH A 14. Predict the major product(s) formed…

A: Wolff–Kishner reduction: When carbonyl compound reacts with hydrazine, hydrazone is formed. The…

Q: Draw the major product of the reaction of 1-butanol and the following reagents. (a) PBr3 (b) SOCI₂,…

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Q: КОН (ад) Fe(NO3)3 (aq) → complete ionic equation: net ionic equation:

A: Given, KOH(aq) + Fe(NO3)3(aq) ➝  Complete ionic equation = ? Net ionic equation = ? Balanced…

Q: Calcule el potencial estándar para la celda dados la siguiente información: Cr* (ac) + 3 e - Cr (s),…

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Q: What are the IUPAC names of the following compounds

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Q: 1.QuestionGiven the reaction at equilibrium: 2 SO2(g) + O2(g) 2 SO3(g) + heat Which change will…

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Q: 2. 6.75 grams of sodium benzoate, NaC7H5O2, is added to 1.00 L of a 0.25 M benzoic acid solution…

A: Given in following question 6.75 gm of sodium benzoate NaC7H5O2 is addedin 1lit of a 0.25M benzoic…

Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate…

A: Given-> Rate constant (K) = 0.0030 M.s-1 Volume = 350 ml  Initial mmole of HI = 350mmole Time(t)…

Q: Give the balanced chemical equation of the following reaction. Al203 + Cr203

A: The balanced equation is given below

Q: 2. If 11.2 g of naphthalene, C1oHs (molar mass: 128 g/mol), is dissolved in 105.4 g of chloroform,…

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Q: 16. What is the expression for K, for the following equilibrium? CASO3(s) = CaO(s) + SO2(g) a)…

A: Active mass of solid components is equal to one

Q: ishared, or lone, electron pairs play an important role in determining the chemical and physical…

A: In order to determine the number of unshared pair of electrons on the indicated atoms, it is very…

Q: B. Using two acids, HF and CH;CO,H, and their conjugate bases, write a Bronsted-Lowry acid-base…

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

Q: 3. Consider the reaction between solid CaCO3 and aqueous HCl. The reaction will be sped up by an…

A: The mentioned reaction is as follows; CaCO3 + 2 HCl →  CaCl2 + H2O + CO2 We have to find which of…

Q: CH,CH,CH,NHCH, ? HO* CHO ? 6. 7. ? Zn, H,O* + 5.

A: Given,

Q: 3. In the reaction 2 A+ 28 C+2 D, the rate of disappearance of A is 2.2 x 10 * M/s a. What is the…

A: 2A + 2B ....> C + 2D Given that: Rate of disappearance of A = 2.2×10-4M/s = -d[A]/dt = 2.2×10-4…

Q: 2) Would there be a change in the value of the enthalpy of combustion if the water is heated until a…

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Q: Select all of the combinations that would produce a buffer solution.     KClO3 and HClO2…

A: Buffer solution has tendency to maintain constant pH upon small amount of addition of acid or base.…

Q: Exhaust steam from a steam power plant in Batangas is at 7 kPa(29°C) at the rate of 75 kg/s enters a…

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Q: For the reaction: IO3 (aq) + 5 I (aq) + 6 H* (aq) + 3I2 (aq) + 3 H2O (l) the reaction rate of I°…

A: Here we are required to find the rate of the reaction

Q: Arrange the following ions in terms of increasing strength as an oxidizing agent. Arrange the three…

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Q: Q1. Draw phase diagram of soil and what is formula of water content?

A: Phase diagram of soil.

Q: 19. Which of the following compounds has the LOWEST solubility in water at 25 °C? a) CH;CH;CH;OH b)…

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Q: Derive the unit for K then using K at 904 degrees celsius, find the rate of reaction at the instant…

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Q: nclude the state of each species: (S), (!), (g), or (aq).

A: a. Write the balanced reduction half reaction. b. Write the balanced oxidation half reaction. c.…

Q: At the equivalence point, you had equal number of moles of acid and base, and the acid was…

A: In part b, volume of NaOH added is not given. So, we are solving just the first part. Please post…

Q: 2. Give the molecula formula for the following compounds and star the chiral center(s) in each one…

A: In the given compounds, * = Chiral center.

Q: Question 9 Activated carbon filters remove contaminates by ion exchange mechanism. A True B False…

A: (9) Activated carbon filter based on the principle of adsorption.  Adsorption is the phenomenon in…

Q: 20. The normality of H2SO4 is equal to multiply its molarity. a. Half b. One с. Two d. Three e. Four

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Q: What is the underlying principle used in chiral chromatography to separate components of an analyte?

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Q: for the reaction NH3 C991+ H20 (1) - Nhu caalt of cour which of the following is a conjugate…

A: When base accept a proton it forms conjugate acid and when acid donates a proton it forms conjugate…

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Q: 15. What intermolecular force or bond is primarily responsible for the solubility of oxygen (O2) in…

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Q: Explain how the peaks in the given infrared spectrum below correspond to one of the following…

A: Infrared spectroscopy generally helps in studying and identifying the chemical substances or…

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Q: Chemistry What difference would you expect to see between the UV-vis spectra of…

A: The UV-vis spectra referes to the absorbtion in the ultraviolet and visible region.

Q: In an analytical laboratory that analyzes BOD, the titrant solution of sodium thiosulphate the help…

A: The balanced reactions involved are as below: 6KI + 14 HCl + K2Cr2O7 -----> 2CrCl3 + 3I2 + 7H2O +…

Q: 44) The valance shell of C-atom has 2s22p². How can this configuration leads to a tetravalent C-…

A: Given ->  Valance shell of C-atom = 2s2, 2p2

Q: 31.A child weighing 22 Ibs comes into the clinic with an ear infection. The doctor prescribes the…

A: We would solve it using dimensional analysis method.

Q: 11. How does the addition of H3O* affect the following reaction equilibrium? 2CrO42 (aq, yellow) +…

A: Le chateliers principle help us to predict the direction of reaction on changing the concentration,…

Q: : 5. Ca

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Q: Twenty grams of tea leaves was extracted with 250.0 mL water. The aqueous extract was then subjected…

A: Part a. The distribution coefficient of caffeine between dichloromethane and water (Kd) = 8.35 Now,…

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A: To convert the work function from eV to joules, we use the conversion factor 1 eV = 1.602 x 10-19 J

Q: A student finds the average Keq to be 370. (a) Calculate the approximate [FeSCN²+]/[SCN¯] in Part 3…

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Q: Draw bond-line structures of each of the following compounds.…

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: Draw the order of reaction graphs (reaction rate vs the concentration) for [NO] and [H2]. Explain…

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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.