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Q: What are the factors that affect buffer capacity? Explain in 2-3 sentences.

A: Buffer Solution is a water solvent which consists of a mixture containing a weak acid and the…

Q: You start with 20.0 mL of 0.50 M H(C₂H3O2), and you titrate that with 0.50 M NaOH. For H(C₂H3O2),…

A: acetic acid react with sodium hydroxide in 1 : 1 molar ratio. Neutralization reaction is  HC2H3O2 +…

Q: AlCl3 is another catalyst used in electrophilic substitution reactions. It works similarly to FeBr3.…

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Q: The element bromine would be expected to form ( ) covalent bond(s) in order to obey the octet rule.…

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Q: Predict the product of the following reaction by writing a good mechanism. H₂SO4 (aq)

A: Since,  H2SO4 is a strong oxidising agent. It is used to oxidise compounds.  In the above reaction…

Q: Name two functional groups that contain ionic charg Check all that apply. Ohydroxyl carboxylate O…

A: Name two functional groups that contain ionic charges. We need to choose from these options…

Q: See Figure 8-6. Which of the following statement(s) is/are FALSE about this reaction? 00 The process…

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Q: 5+ How many d electrons are in the valence shell of the Mn cation? How many unpaired electron spins?

A: Question about a cation Mn2+ We have to calculate the number of d electrons in valence shell of Mn2+…

Q: Write the equilibrium constant expression, K, for the following reaction: If either the numerator or…

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Q: How is heat energy used to generate electricity in a modern power plant? Heat generates strong…

A: Turbine is a machine which converts mechanical energy into electrical energy.

Q: Suppose you measure out 0.0132 moles of ammonium sulfate on the balance. If the weigh boat…

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Q: How many gram of NaCl are needed to completely precipitate the Ag+ ions as AgCl from 1.50 L solution…

A: AgNO3(aq) + NaCl(aq) -----&gt; AgCl(s) + NaNO3(aq) Concentration of AgNO3 solution = 0.100 M = 1.00…

Q: 1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make 250 mL of a 0.10…

A: 1. M1V1=M2V22.∆T= K m n3. % mass =grams soluteGrams solution4. Molarity = molesL5.Molality…

Q: The components of substances that are ______ separate when the substance is placed in water.…

A: Substances which are completely dissociated in aqueous solution are called ionic substances.

Q: Consider the reaction below. 5 P4O6 + 8 I2 → 4 P2I4 + 3 P4O10 (a) How many grams of I2 should be…

A: The given reaction is: 5P4O6+8I2→4P2O4+3P4O10 The mass of P4O6 is 4.20 g.

Q: calculate the concentration of analyte in the ORIGINAL sample in ppm. Report to 1 decimal place…

A: A 10.00 mL aliquot of the unknown was placed in a 100.0 mL volumetric flask and made up to the mark…

Q: Draw two different routes to each of the following ethers using a Williamson ether synthesis.…

A: The question is based on the concept of organic synthesis.  we need to synthesize the product using…

Q: Using only the periodic table arrange the following elements in order of increasing atomic radius:…

A: The given elements are Selenium Sulfur Polonium Tellurium We have to arrange the given elements in…

Q: The mixture contains benzoic acid, 2-napthol, and naphthalene. Dissolve the mixture in the polar…

A: Atom economy is a measure of the efficiency of a chemical reaction in utilizing the atoms of the…

Q: 2) Consider the reaction below: ||IIII t-Bu A EtONa ? B

A: Since,.   NaOEt is strong base , therefore this will lead to elimination reaction .  The starting…

Q: Convert 1.252 moles of sodium chloride into grams.

A: We know, Mass needed = moles × molar mass Now, molar mass of NaCl = 58.45 g/mol Given moles = 1.252…

Q: Calculate the change in internal energy (AE) for a system that is giving off 55.0 kJ of heat and is…

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Q: Consider the following hypothetical reactions :  A ------>   B   ΔH = + 30 kJ B ------>  C    ΔH =…

A: According to Hess's Law total change in enthalpy of a chemical reaction is equal to sum of enthalpy…

Q: + 2 NO₂ Ne CO₂ room tenp 50 °C OH NO NO

A: This is an example of crossed aldol condensation wherein at RT is is forming aldol while at 50 deg C…

Q: Use the following equilibrium. H2(g) + CO2(g)  H2O(g) + CO(g)    K = 16.0 The initial partial…

A: H2(g) + CO2(g) ⇌ H2O(g) + CO(g)    Equilibrium constant (K) = 16.0 Initially Partial pressure of H2…

Q: You have 75.0 mL of 0.14 M HA, a weak acid. After adding 38.0 mL of 0.10 M NaOH, the pH is 5.50.…

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Q: Which of the following can be classified as buffer solutions? (Select all that apply.) 0.15 M HC1O4…

A: Buffer solution:- A buffer solution is a solution that can maintain its pH even after the addition…

Q: Predict the product of the oxidation of the given aldehyde. Include all hydrogen atoms.…

A: Oxidation is addition of oxygen or removal of hydrogen

Q: If you wanted to anodize 1.00 mol of Al to Al₂O3, how many mol of electrons would you need to…

A: =&gt; Al + 3/2 O2  =&gt; 1/2 Al2O3 =&gt; Oxidation number of Al in Al2O3 is Al3+. =&gt; So we are…

Q: What is the IUPAC name of the expected major product formed when 5-chloro-1-methylcyclohexene is…

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Q: A solution contains Cr³+ and Mg2+. The addition of 1.00 L of 1.52 M NaF solution is required to…

A: The molarity of NaF is 1.52 M. The volume of the solution is 1.00 L. The total mass of the…

Q: Consider the reaction between H3PO4 and NH3 to produce (NH4)2HPO4. (a) What mass of ammonia would…

A: Reaction is  H3PO4 +  2 NH3 → (NH4)2HPO4 In this reaction 1 mole phosphoric acid react with 2 mole…

Q: Determine the oxidation state of the transition metal in each of these coordination compounds.…

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Q: The production capacity for acrylonitrile (C3H3N) in the United States is over 2 billion pounds per…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: 4) Calculate the pH of a solution that is composed of 90.0 mL of 0.345 M sodium hydroxide, NaOH, and…

A: Volume of sodium hydroxide = 90.0 mLConcentration of sodium hydroxide = 0.345 MVolume of lactic…

Q: 12. Which compound will have the smallest R, on a TLC plate using silica gel (SiO₂) as the…

A: 12. We know that, Retention factor is the ratio of the distance travelled by solute to the distance…

Q: Select the best description of the molecule shown below. III.. NH₂ Amide Acetal Peptide Carboxylic…

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Q: A 0.150 M solution of a weak acid has a pH of 2.51. What is the pKa of the acid?

A: The given information is as follows:     The concentration of weak acid = 0.150 M The pH of the…

Q: Label the functional groups and identify the correct compound based on the IR spectrum. It is hard…

A: The question is based on the concept of IR spectroscopy. We need to identify the compound.

Q: Write the ground-state electron configuration for a neutral atom of each element: cobalt nickel 0 0…

A: Cobalt and Nickel  We have to write ground state electronic configuration.

Q: could you check , both answers

A: Q1. Volume of barium iodide = 150 mL Concentration of barium iodide = 0.455M Concentration of…

Q: What alkenes are formed when each alcohol is dehydrated with TSOH? Label the major product when a…

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Q: What are the principles of flame ionization detection? Was it a good choice for these analytes?

A: FLAME IONIZATION DETECTION  (FID)

Q: Calculate the pH of each of the following solutions. (a) 0.109 M HONH, (Kb = 1.1 × 10-8) 4.0 9.34 x…

A: The concentration of HONH2 = 0.109 M The concentration of HONH3+ = 0.109 M

Q: The colligative molality of an unknown aqueous solution is 1.01 m. (For pure water at 20°C: Po =…

A: Answer: When a non-volatile solute is added in the solvent then it causes a decrease in vapor…

Q: 7. Find the AHrxn for the reaction: 3C(s) + 4H₂(g) → C3H8(g) Use these reactions with known AH's:…

A: Hess's law states that the heat of the reaction is fixed and it is independent of the path of the…

Q: Which of the following statements regarding size exclusion chromatography is false?     Fully…

A: Here multiple choices  question

Q: Calculate the molar concentration of ethanol in an aqueous solution that contains 2.30 g of C2H5OH…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: At 30 °C, the following concentrations were found for the gases in an equilibrium mixture for the…

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Q: For the following reaction, 5.08 grams of benzene (C6H6) are allowed to react with 19.7 grams of…

A: Weight of benzene = 5.08 gm Weight of O2 = 19.7 gm