Which one of the following salts, when added to water, would decrease the pH? O CSCN O LICH3COO O KHSO4 O Ba(CIO₂)2 O NaBrO

Q: Gaseous methane CH4 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and…

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Q: 26. A reaction vessel for synthesizing ammonia by reacting nitrogen and hydrogen is charged with…

A: 26. 28.0 Kg of ammonia, NH3 is synthesized by the reaction of 6.04 Kg of H2 and excess N2 .We have…

Q: A student found that the sulfate ion concentration in a solution of Al2(SO4)3 was 0.44 M. What was…

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Q: NaHS, KHCO3 and NaF NaHS, Cu(NO3)2 NaHS, KHCO3 NaF NaF, KHCO3

A: The substance when dissolved in water produces strong acid and weak base then the resulting solution…

Q: 10g of Ar(g) and 20g Ne(g) in a 1216.1 mL container, 25.1oC What is the Partial_Pressure??

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Q: A certain first-order reaction is 60.% complete in 55 s. What are the values of the rate constant…

A: Initial concentration ( XA= 100%)  Concentration after time 55 s ( XB =100 — 60% = 40%) Time = 55 s…

Q: 10 Na (s) + 2 KNO3 (s) → K₂0 (s) + 5 Na₂O (s) + N₂ (g) AH = -1457.20 kJ • Calculate the overall…

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Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese…

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Q: Draw the Lewis Structure of H2O Molecular Geometry? Ideal Bond Angles? Are there Polar Bonds…

A: Formula for determining the hybridization of central atom :-  x= (V+M-C+A)/2  V = valence electrons…

Q: Aluminum atoms are to be diffused into a silicon wafer using both predeposition and drive-in heat…

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Q: Oxygen-22 disintegrates into Fluorine with a decay rate of  λ = 0.315 per seconds. Considering an…

A: Given: The decay rate of Oxygen-22 = 0.315 per seconds We have to find the percentage of it will be…

Q: Suppose a 500. mL flask is filled with 1.3 mol of H₂ and 1.1 mol of Cl₂. The following reaction…

A: We know equilibrium constant is the ratio of equilibrium concentration of reactant to the…

Q: 5. Suppose you need 2.50 L of 1.35 M hydrochloric acid, but only the concentrated acid (11.6 M) is…

A: The Final Volume of the hydrochloric acid can be calculated using the formula M1V1 = M2V2 . Where M1…

Q: 1.5 Give two examples of inorganic precipitation agents and elements that can b precipitated using…

A: Precipitation agents are the chemicals that are added to form solid i.e. to cause precipitation.…

Q: Use the equation below to calculate the following: 2 NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2 H2O(l)…

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Q: How many grams of phosphoric acid and barium hydroxide would be necessary to produce 805 grams of…

A: Given the reaction : H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O We have to calculate How many grams of…

Q: 17. What is the pH of a 0.024 M acetic acid (K₁ = 1.8 x 105) solution at 25 °C? A: 3.18

A: Ostwalt diluation law gives then concentration of H+ ions.

Q: The pH of a 1.3M solution of boric acid (H₂BO3) is measured to be 4.56. Calculate the acid…

A: pH = 4.56

Q: Is each molecule a Lewis acid, bronstead acid, or both?

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Q: Determine the mass percentage of carbon, C, hydrogen, H, and oxygen, O, in C8H₁6O₂. Refer to the…

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Q: Classify each of the reactions. Pb(NO3)2 + NiCl₂- combination double replacement decomposition ->…

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Q: Question 8 of 26 Submit What is the wavelength (in nm) of a photon if the energy is 7.49 x 10-19 J?…

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Q: Which is not a plausible organic product of the reaction below? ď A H₂O B ? C D

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Q: Use standard enthalpy of formation data to calculate the overall standard enthalpy change for the…

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Q: The overall chemical reaction after combining the 4 chemical reactions mentioned in your procedure…

A: From balanced chemical reactions Two mole of aluminium produced two mole of alum

Q: Lewis structure for calcium hydrogen carbonate Ca(HCO3)2

A: Definition of Lewis structure :  Lewis Structure is a simple representation of the valence shell…

Q: If you were making a stock solution of 0.200 M cobalt (II) chloride hexahydrate, what mass of cobalt…

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Q: The cell SCE || Ag, CrO, (sat 'd), CrO, (M) Ag is used for the determination of pCrO4. Calculate…

A: Recall the given cell notation,                     SCE  || Ag2CrO4 sat'd, CrO42- x M | AgThe cell…

Q: Calculate the % (m/m) of oxygen gas in a mixture containing 45.0 g of oxygen gas and 75.0 g of…

A: Mass of oxygen = 45.0 g Mass of nitrogen = 75.0 g

Q: Complete the reactions below and identify the acid, base, conj acid, and conj base.  give your…

A: Definition :

Q: List the essential parts of a functions for each component. spectrophotometer. Hence write the…

A: A question based on analytical process. Working principle, essential parts and functions for each…

Q: Draw the Lewis Structure of PCl5 Molecular Geometry? Ideal Bond Angles? Are there Polar Bonds…

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Q: What is the wavelength (in nm) of a photon if the energy is 7.17 x 10-¹9 J? (h= 6.626 X 10-34 J. s)

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Q: isn't true that -OCH3 (methoxy group) The methoxy group is electron withdrawing by the inductive…

A: Mesomeric effect can shown by molecules/atoms which have vacant orbital or which have lone pair of…

Q: Complete the table below by writing the symbols for the cation and anion that make up each ionic…

A: Ionic compound form by electrostatic force of attraction betweens cation and anion

Q: Suppose a 250. mL flask is filled with 0.80 mol of OC12, 1.4 mol of BrOCI and 0.30 mol of BrCl. The…

A: Given :  Moles of OCl2 = 0.80 mol  Moles of BrOCl = 1.4 mol  Moles of BrCl = 0.30 mol  Volume of…

Q: Ethane dissociates into methyl radicals at 700°C with a rate constant of 550x101. If the activation…

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Q: 45. I You find that if you hang a 1.25 kg weight from a vertical spring, it stretches 3.75 cm. (a)…

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Q: THIS QUESTION MUST BE COMPLETED Solid potassium nitrate dissolves in water according to the equation…

A: Answer: Heat absorbed by the solute during dissolution would cause the decrease in temperature of…

Q: At a certain temperature, Kc = 0.500 for the reaction SO3(g) + NO(g) NO₂(g) + SO₂(g) If 0.100 mol…

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Q: The following reaction has a rate constant of 0.760¹ at 100 for this reaction) 2N₂O2N₂O₂ .

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Q: A 5.200-g sample of quinone, C6H4O2, is burned in a bomb calorimeter (heat capacity = 7.854 kJ/°C).…

A: Concept based on the using of a constant-volume bomb calorimeter to measure the amount of heat…

Q: part 1: A photon has an energy of 6.03*10-19 J. What is the frequency of this photon in MHz? part…

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Q: A mixture initially contains AA, BB, and CC in the following concentrations: [A][A]A_1 = 0.650 MM ,…

A: A+2B⇌C Initial concentration of A, [A] =…

Q: Select every equation that is expected to favor the products. Question options: SCN- + HSeCN HSCN +…

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Q: Study the following phase diagram of Substance X. pressure (atm) 20- 10- solid 100 liquid gas 200…

A: Phase diagram gives the idea about relationship of temp and pressure.

Q: write strucutre  of methanol

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Q: Ammonia rapidly reacts with hydrogen chloride to make ammonium chloride as the only product. Write a…

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Q: Solid potassium nitrate dissolves in water according to the equation below. KNO3 (s) → K+ (aq) +…

A: Answer: A thermochemical equation of salt dissolution process is given to us and we have to identify…

Q: calculate what amount of  substrates choline chloride and malic acid is required to obtain 20 g…

A: Here we have to determine the mass of choline chloride and malic acid present in a 20 g mixture if…

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.