1. When 50.00ml of 1.000M HCl is titrated with 0.750M NaOH, the pH increases. What volume of NaOH is needed to reach a pH of 7.00?

Q: 1. When 145.6 J of heat are added to 13.0 g of mercury in a thermometer, the temperature increases…

A: Here we have to determine specific heat of  mercury if 13 g of Hg absorbed 145.6 J heat energy so…

Q: Time (s) 0 10 25 C (M) 0 0.4 0.7 0.9 1.0 1.05 •Using the data above, calculate the average rate of…

A: The rate of the formation of the product or the rate of disappearance of the reactants is known as…

Q: The reaction Crienly(aq) + 6 NH₂(aq) -- Cr(NH₂³(aq) + 3endal where en represents ethylenediamine, is…

A: Given the reaction is exothermic. Hence ∆H is negative.

Q: НО N NH₂ Br NH₂ OH

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Q: 1. A 0.0450 M Ca(X), has a pH of 11.079. CaX₂ is composed of a Cacation and an unknown anion X,…

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Q: e⋅ CH3 -CH ₂ -CH ₂ -COOH

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Q: which option is true when converting from g → mol you use the "Mol Ratio" from the balanced…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Given the HCOOH-KHCOO buffer system, which of the following is false when HBr is added into the said…

A: Here we are required to find the statement which is correct about the buffer system

Q: What does temperature measure? * O Heat of Molecules O °C Average Kinetic Energy of Molecules O…

A: Choose the correct option for temperature measurement ?

Q: An unknown liquid was found in a science room and was analyzed by some Chemistry 20 students. To…

A: The solution is given below -

Q: Consider the following thermodynamic quantities below: ΔΗ Reaction +A +B Pb(s) → Pb(g) Pb(g) →…

A: Sublimation is the conversion of a solid to a gaseous state without it being liquid. Sublimation is…

Q: 2. a) Write the spontaneous half-reactions and the overall reaction for the following proposed cell…

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Q: Explain the difference in pK₂ values. SH OH I || pK₂ 10 pka 18 OII is more acidic because oxygen is…

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Q: Al(s) + NO2 (aq) = Al(OH)4 (aq) + NH3(aq) (basic solution)

A: The answer to the following question is-

Q: calculate the heat of reaction usin standard molar enthalpies of formation method ΔHf (Al2O3)…

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Q: Q\3: Oxygen gas produced from the reaction below was collected above the water at 30 Cº and in a…

A: Here we have to determine the mass of oxygen gas produced and mass of KClO3 decomposed in the…

Q: b) Draw the structure of A-N-C-G, and indicate its amide bonds: c)Show how you could prepare alanine…

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Q: 4. The following data were obtained for the follwing chemical reaction: 2A + 3B ---> 2C + D Trial #…

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: Poly(n-butyl acrylate) has a lower Tg than poly(methyl methacrylate), because of: a) weaker…

A: Poly(n-butyl acrylate) and poly(methyl methacrylate) have the following structures:

Q: Use ionic properties to choose the hypothetical compound with larger lattice energy: AG or ED.…

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Q: 1.58g of magnesium hydrogencarbonate was added to a 1.68 mol/L solution of acetic acid, CH3COOH in…

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Q: Consider the following ion: BrO3−. a) Show the full electron configuration for Br. b) Draw…

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Q: Give the chemical equations of the following reactions: i. Synthesis of aspirin ii. Synthesis of…

A: According to the guidelines prescribed by Bartleby, we can answer a maximum of three sub-parts per…

Q: Q\3: Oxygen gas produced from the reaction below was collected above the water at 30 Cº and in a…

A: Given :  Temperature = 30°C = 303 K  Volume of O2 = 150 cm3  Since 1 cm3 = 10-6 m3  => Volume of…

Q: I want to synthesize the following compound A. Perform retrosynthetic analysis and propose a…

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Q: What types of bonds break in the combustion of butane? A) C–C, C–H, and C=O B) C–C, C–H, and O—H C)…

A: Combustion take place in presence of oxygen  and there is formation of carbon-dioxide and water.

Q: he number of isomers of the complex ion [Co(en)3]³+ is 4 geometric isomers 2 optical isomers 2…

A: Which one of the following is correct

Q: B. Determine the Conjugate base of the following acids? 1. HCIO4 2. H2O 3. HCN 4. NH4+

A: Conjugate base is formed when acid losses proton

Q: For each set of spectral data below, draw the skeletal structure of the molecule that is consistent…

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Q: the experiment on "Chemical Equilibrium and Le Chatelier's Principle" which of the following will…

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Q: hip of the molecules represented below as CH3 H Newman projections B and C? H CI CI B (A)…

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Q: gas was conducted at 47.2 °C. The Keq = 0.105

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: My gold ring looks dull. I asked the goldsmith to make it shine and new again. The goldsmith will do…

A: Electroplating is a process of depositing a metal into the surface of a different metal. During…

Q: 3. Which of the following is NOT TRUE about a catalyst? A) It lowers the activation energy of the…

A: The catalyst is a chemical species that increases the rate of a chemical reaction and it does not…

Q: TABLE 3. PERCENT YIELD Mass salicylic acid Mass of synthesized aspirin Theoretical Yield (aspirin)…

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Q: It is a type of advanced machining process that uses highly pressurized water to cut nonmetallic…

A: The advanced machining process that uses highly pressurized water to cut nonmetallic materials is…

Q: What is the molarity of the solution produced when 159 g of NaCl is dissolved in sufficient water to…

A: Here we are required to find the Molarity of NaCl

Q: KNO3 → NaNO3 + KOH (C)(D) → (A) (D) (C) (B) Ex. Double displacement a.) NaOH (A) (B) 1.) CH₁+ O₂ CO₂…

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Q: The buffer solution is able to maintain pH by some events, except... * The addition of a little acid…

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Q: 5. Calculate hydroxide, bicarbonate, and carbonate alkalinities of a water sample with a total…

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Q: NaCI(s) + H,SO (aq) →_ Na,so,(s) + HCI(g) - Balance the equation above. If 32.5 g NaCl and 24.5 g…

A: Balancing the equation, 2NaCI(s) + H2SO4 (aq) →_ Na2SO4(s) + 2HCI(g)  Multiply the NaCl with 2  and…

Q: Select

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Q: Consider the reaction: NH4Cl (s) → NH3 (g) + HCl (g) ΔrS = 94.6 J K−1mol−1 ΔrH = 175.98 kJ/mol a)…

A: We are authorised to solve only first three subparts of a question. Please post rest of the subparts…

Q: 4. Using the Arrhenius equation, one can design experiments to find the activation energy, Ea. k =…

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Q: A student combusted a certain quantity of methane gas in a calorimeter. The literature indicates the…

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Q: Calculate the volume of Ba(OH)2 0.20 mol/L necessary to neutralize 300.0mL of H3PO4 0.30mol/L.

A: Barium hydroxide reacts with phosphoric acid to form barium phosphate and water. The equation for…

Q: Draw all possible conformations for 1,1,2-tribromopropane. Label all unfavc interactions. Which…

A: The structure of 1,1,2-tribromopropane is:

Q: ) O=C-CH2-CH Jo-CH2-CH2 C=C-CH₂-CH₂ C-CH₂=CH

A: The partial structure for a doublet integrating to 2H at 2.3 ppm is

Q: 2. The combustion of glucose is given by, C6H1206(s) + 602(g) The amount of heat involved in burning…

A: Reaction equation of combustion of glucose is C6H12O6 (s) + 602(g) -->  6CO2(g) + 6H2O(l) ∆H=…

Q: Consider the following ion: BrO3−.  What is the electronic geometry of BrO3−? What is its molecular…

A: Given,  Consider the following ion: BrO3−.  What is the electronic geometry of BrO3−? What is its…

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.