how do you know if your equivalence point corresponds to the ph you obtain at the endpoint of a titration

Q: Give a specific example of hydroboration-oxidation of alkenes including the starting material…

A: In this question, we have to Give a specific example of hydroboration-oxidation of alkenes including…

Q: How many moles of acetylene gas will occupy a volume of 3.25 L at STF O 0.290 mole O 0.145 mole O…

A: Given, Volume, V = 3.25 L At STP, pressure = 1 atm and temperature, T = 273 K Gas constant, R =…

Q: Which of the following compounds will form intermolecular hydrogen bonds in the liquid state?…

A: Hydrogen bonding is formed between Hydrogen atom any a highly electronegative atom like O , N and F…

Q: 28. After electrolyzing a certain concentration of copper sulfate solution with an inert electrode…

A: Given the solution taken for electrolysis is copper sulfate, CuSO4. Moles of [Cu2(OH)2CO3] added to…

Q: The half life of the radioactive element ubtonium-31 is 10 seconds. If 80 grams of unobtanium-31 are…

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Q: The total pressure of a mixture of 64.0 g of oxygen and 10.0 g of hydrogen contained in a 10.0 L…

A: Given :-  Mass of oxygen = 64.0 g  Mass of hydrogen = 10.0 g  Volume = 10.0 L  Temperature = 200°C…

Q: OCH 3 1. Excess 2. H₂O* MgBr

A: The reactions given are,

Q: 2. When 1.3 g of C4H9NO is dissolved in 150 mL water, the resulting solution is 0.50% ionized at…

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Q: O 1.79 atm O 0.64 atm O 1902 atm O 6.27 atm O 0.51 atm eTextbook and Media

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Q: A chemist prepares a solution of sodium nitrate (NaNO3) by measuring out 256. μmol of sodium nitrate…

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Q: Calculate the pH of a 0.22 M solution of a weak acid (HA). Ka for HA = 3.0 x 10-4.

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Q: Question 35 The mechanism for NO2 (g) + CO (g) → NO (g) + CO2 (g) is thought to be: 2 NO2 NO3 + NO -…

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Q: 24-38. Use the method of half half reactions to balance the following equations: (po)010 (2) (HO)10…

A: The reactions given are, a) N2H4 (aq) + Cu(OH)2 (s) → N2 (g) + Cu (s)…

Q: Sam wanted to perform a chemical reaction using 8.22 moles hydrogen gas and 4.11 moles of oxygen gas…

A: To Calculate mass from moles , we would use formula :  Mass = Moles × Molar mass

Q: 14.69 A radioactive sample used in medicine registers an activity of 10 µCi. What is its activity in…

A: Answer: This question is based on unit conversion where we have to convert Radioactivity of a…

Q: 7. Sketch each titration curve on the same graph. Label the half-equivalence and equivalence points…

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

Q: Calculate the density of uranium hexafluoride (UF6) with pressure of 697 mmHg at 57oC temperature.…

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Q: The salt bridge in a galvanic cell allows the soltuions in the half cells to remain electrically…

A: In this question, we have to choose the correct option regarding salt bridge.

Q: For whole blood flowing in a capillary of radius 1.9x10-4 cm, estimate the maximum velocity for…

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Q: Using the thermodynamic information provided, what is the entropy change, AS for the balanced…

A: Calculate change in the entropy of the given reaction ---

Q: Given the following solubility equilibrium, BaC2O4(s)Ba^2+(aq)+ C₂O4^2-(aq) Kps= 2.3 x10^-8…

A: In this question we have to tell the molar solubility of compound BaC2CO4.

Q: In a galvanic cell, oxidation takes place at the: cathode, anode, or any electrode (choose 1),…

A: There are basically two types of electrochemical cell-  1- galvanic cell 2- electrolytic cell

Q: What is the pH of a 4.28x10-5 M solution of the strong acid HCIO47 HCIO4(aq) + H₂O(l) → CIO4 (aq) +…

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Q: Which one of the following two compounds has the stronger IMF - and therefore the higher boiling…

A: The pairs given are a) Ne & He, b) Cl2 & MgS and c) NH3 & Methane (CH4).

Q: Calculate the cell potential for the galvanic cell in which the reaction. Ti(s) + Cu²+ (aq) Ti²+…

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Q: Determine the pressure exerted by hydrogen bromide (HBr) gas having a density of 2.978 g/L at a…

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Q: NH₂ SDS, NaHCO H₂O

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Q: The Michaelis-Menton constant is best thought of as ... both a rate constant and an equilibrium…

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Q: Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas: (a)…

A: DBE = C - H/2-N/2+1. C = no of carbon atoms, H = no of hydrogen atoms and halogen atoms. N = no of…

Q: Example 10. How long has a current of 3 ampere to be ap- plied through a solution of silver nitrate…

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Q: The enzyme urease increases the rate of urea hydrolysis at pH 8.0pH 8.0 and 20 °C20 °C by a factor…

A: Given, pH of urea = 8.0 Rate enhancement factor = =1014 Time = 88 min T=20°C

Q: Derivation Calculate the entropy of HBr at 298 K and 1.00 bar, given that the bond length is 1.41 Å…

A: Here are required to find the translation entropy of HBr at 298 K and 1 bar pressure

Q: The K₂ for a base is 15.3 x 10-13. What is the Ka for its conjugate acid?

A: Given :- kb for a base = 15.3 × 10-13  To determine :- value of Ka for its conjugate acid

Q: Identify 2 things that could happen during an experiment to cause tthe actual yeild to be lower than…

A: Theoretical yield is the maximum amount of product which can be formed in a reaction.  Actual yield…

Q: 1.5. A 3.87 mg sample of an unknown organic compound is subjected to combustion analysis. The…

A: For this compound first calculate moles of C and H. Using that find moles and mass of O and then…

Q: At 298K, the AG° value for the reaction N2O4(g). 2NO₂(g) is 5.40 kJ/mol. In a certain experiment,…

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Q: 14 Identify the correct reactant, product or conditions for the following reaction H₂SO/H₂O HgSO OH…

A: The correct answer is given below

Q: Calculate the volume of 0.230-M NaOH solution needed to completely neutralize 64.1 mL of a 0.850-M…

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Q: What is the mass of the solute in 750mL of 0.311M potassium bromide? Group of answer choices 27.8g…

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Q: "One HCI molecule can form O, N, or F." lone pairs on O, N, or F and hydrogen bonds because it has…

A: Given : We have to fill up the blanks.

Q: Predit the product from the following reaction: I NaOH Heat

A: The aldehyde or ketone having alpha hydrogen in presence of NaOH undergo condensation reaction to…

Q: For the following reactions, identify the reducing agent, oxidizing agent, what is reduced, and what…

A: Since you have posted question with multiple subparts as per guidelines we can answer only three .…

Q: A sample of an unknown gas was isolated in a gas containment bulb on a manifold used in this type…

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Q: How do you define the 3 given and give one example each with problems and solutions 1. Percent…

A: 1. Percent Concentration 2. Molarity and 3. Normality - These are three different parameters to…

Q: A sample of radioactive technetium-99 of half-life 6 hh is to be used in a clinical examination. The…

A: Given: Half-life of isotope = 6 hours. And the time passed = 15 hours.

Q: From the change in internal energy, AE, given for 25 °C, calculate the change in enthalpy, AH, at…

A: Given, change in internal energy, ∆E = -161.6 KJ = -161.6 × 103 J Temperature, T = 25 oC = 298 K Gas…

Q: Write the chemical formula of the following complex ions. formula name tricarbonatomanganate(II)…

A: Steps to write formula of complex from name  Identify central metal and its oxidation state written…

Q: What is the concentration (in molarity) of CaCl2 in 215.3 mL of aqueous solution containing 4.39…

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Q: Calculate [H3PO4], [H2PO4], [HPO42-], [PO4³-], [H3O+], [OH-], and [Cl] in a mixture that is…

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Q: What is the pH of a solution containing 0.30 M lactic acid (K₂ = 1.38 x 10-4) and 0.50 M of lactate…

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