Q1) What colors are the various forms of polyphenols when they are protonated vs deprotonated?

Q: solve this question with a proper explanation on a handwritten plane sheet within 10-15 minutes I'll...

A: The explanation of the following is:  

Q: HCO3- is a Bronsted-Lowry acid in an aqueous solution? b. (CH3)2NH is a Bronsted-Lowry base ...

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Q: Physical Properties of lonic vs Covalent Compounds. Choose the correct comparison. 0 1 Melting point...

A: Since you have posted a question with multiple sub-parts, as per our company guidelines we are suppo...

Q: [OH-] = 5.0 × 10–2 Express the concentration to two significant figures and include the appropriate ...

A: Consider the given information is as follows; OH-=5.0×10-2H3O+ = ?Acidic, basic or neutral = ?      ...

Q: What major product (from Figure #19) results from the following reaction (from Reaction #19)? Reacti...

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Q: 8. How many liters of solution are needed to make a 1.66M solution containing 3.15moles of FeCl3?

A: • The values provided in the question are:-      i) Number of moles of FeCl3 , n = 3.15 mol   ii) Mo...

Q: ELEMENT X HAS AN ATOMIC NUMBER OF 9 1. How many atomic orbitabls does atom X have? 2. How many she...

A: Given, Atomic no. = 9  then,  

Q: What to do: For each equation and reactant shown, identify the stoichiometric ratio and calculate th...

A: stoichiometric Ratio =number of mols of product produced number of mols of reactant reacts 

Q: The ksp for Ca3(PO4)2 is 2.07 x 10^-33 at 25°C. calculate the aqueous solubility of Ca3(PO4)2 in ter...

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Q: Which of the following represents the most acidic solution? How do you know? Explain in a separate s...

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Q: Find the H3O*| in a Cabernet Sauvignon with a pH of 3.66. Πν ΑΣφ ? [H3 O]+ = M Submit Request Answer

A: pH of solution is defined as negative logarithm of hydrogen ions.

Q: Suppose a 500. mL flask is filled with 1.9 mol of H, and 1.1 mol of NHz. This reaction becomes possi...

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Q: Draw themajor product of this reaction. Ignore inorganic byproducts. PPC, CH2Cl2

A: PCC is pyridinium chlorochromate.It is an oxidizing agent.Given compound is a primary alcohol. Here ...

Q: In the United States, drinking water cannot contain more than 5 x 10- 8 grams of arsenic per gram of...

A: Parts per million is used when the concentration of solute is very small.  1 ppm of solution contain...

Q: 1. What is the mole fraction of solute and solvent in a solution prepared by dissolving 98 g. of H₂S...

A: This question is related to stoichiometry which describes the quantitative relationship between the ...

Q: K, must be equal to Ke for the equilibrium below Hạ + 2HI Select one: True False 2 Not all equilibri...

A: Answer: All these questions are based on the understanding of equilibrium for a reversible reaction ...

Q: Calculate AHxn for the reaction 2Ni(s) + 2S(s) + 30,(g) → 2Niso,(s) from the following information: ...

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Q: The change in the Gibbs energy of a certain constant-pressure process was found to fit the expressio...

A: Given , The process is constant pressure process.  

Q: (CH:(CH-),CH;) reacts with gaseous oxygen gas (o,) to produce gaseous carbon dioxide (Co,) and gaseo...

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Q: Compare and contrast basic solutions with acidic solutions. In your answer, include the way the solu...

A: In the given question,  Acids and bases are to be compared.  The comparison of acid and bases includ...

Q: 2. 1.00 mol of oxygen and trioxide gas is formed. At trioxide have been formed

A: Given Reaction:-  SO2 + O2 -----> SO3(g)  Initial concentration concentration of SO2 = 1.00 mole ...

Q: When the Hg2+ concentration is 1.30 M, the observed cell potential at 298K for an electrochemical ce...

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Q: For 223FT, number of protons = number of neutrons = + and number of electrons = For 227 Fr, number o...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Calculate the mass of NaOH in 300.0 mL of an 8.00% w/w NaOH solution. Density is 1.09 g/mL.

A: Given, volume of solution = 300.0 mL  Density of solution = 1.09 g/mL

Q: The use of Beer’s law to estimate the concentration of protein samples is limited only to dilute sol...

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Q: When 15.8 g KBr(s) dissolves in 119.7 g of water at 24.2°C, the final temperature of the solution co...

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Q: What major product (from Figure #15) results from the following ester hydrolysis reaction (from Reac...

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Q: Suppose that 2.5 ml of 20% AgNO3 solution (density is 1.19 g/ml) was used to precipitate the chlorid...

A: Given,  Mass percentage of AgNO3 in solution = 20%  Volume of AgNO3 = 2.5 mL  Density of the solutio...

Q: For the reaction: 2 CH3OH(1) +3 Ozle) → 2 CO2) +4 H2O(1) + 347 kcal 3 a. Is the reaction endothermic...

A: Given reaction is :  2CH3OH (l) + 3O2 (g) ---------> 2CO2 (g) + 4H2O (l)  +347 kcal  (a). Is the ...

Q: Suppose a 250. mL flask is filled with 0.30 mol of Cl, and 0.70 mol of HC1. The following reaction b...

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Q: The following figure represents the emission spectrum of a hydrogenlike ion (Z is not 1 but has one ...

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Q: What is the pH of a solution containing 0.453 mol L-1 HF and 0.267 mol L-1 F- ? Round your answer to...

A: Given,  [HF] = 0.453 M  [F-] = 0.267 M  What is the pH of the solution = ?   

Q: 1. What mass of cesium chloride must be added to 0.500L of water to produce a 0.40m solution? What a...

A: Given :- molality of CsCl solution = 0.40 m  volume of water = 0.500 L  density of water = 1g/mL  To...

Q: There is a difference in acidity of the hydrogens labeled red below. Select all the distinguishing f...

A: if we look at the resonance structures of both the acid then we will find that the stronger acid(pKa...

Q: Which statement is true about a 0.50 M solution of CH3CH,COOH, a weak acid with K, = 4.5slx 104 ? Sh...

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Q: Annotate the given IR spectrum. Does this IR spectrum match one of chalcone?

A: IR spectrum of a chalcone

Q: Draw the major product from this reaction. Use wedge and dash bonds to indicate relative stereochemi...

A: We have to draw the major organic product of the given reaction.  

Q: If the Kp of a weak base is 1.8 x 10-6, what is the pH of a 0.24 M solution of this base? pH =

A: Below attached file showing the details answer. All the best. 

Q: Consider the equilibrium system described by the chemical reaction below. Calculate the value of Qc ...

A: Given -> Weight of C = 11.1 gm Weight of H2O = 2.45 gm Weight of CO = 15.3 gm Weight of H2 = 7.55...

Q: Give the IUPAC name for the attached structure and explain how you got it please?

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Q: What is the mass in grams of solute in a. 32.0 ml of 0.150 M C6H12O11 b. 3.92 L of 6.23 x 10 -3 M H2...

A: Given, (a). Molarity of C6H12O6 = 0.150 M  Volume in mL = 32.0 mL  What is the mass in grams of solu...

Q: Draw the major product of this reaction. Ignore inorganic byproducts.

A: Carbonyl compound acts as electrophile and alkyne acts as nucleophile. Alkyne attacks carbonyl compo...

Q: IOMETRY [References] Use the References to access important values if needed for this question. When...

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Q: The concentration of the reactants in a solution affects the rate of reaction. Use collision theory ...

A: A chemical reaction is defined as the process in which a substance undergoes molecular transformatio...

Q: 4. If 24g of AgNO3 is dissolved in acetone C3H60 to make 3L solution. What is its normality? MW- Ag:...

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Q: DIBALH, THE,-78°C - major product? O Hzo

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Q: Rank the following compounds in order of decreasing acid strength using periodic trends. Rank the ac...

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Q: łydrogen chloride and oxygen react to form water and chlorine, like this: 4HCI(g)+O,(g) → 2H,0(g)+2C...

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Q: Could you please find the equilibrium pressure (in atm to 3 decimal places) of HBr for the reaction:...

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Q: Theoretically, the equivalence point and the end point of a titration should be the same. Describe f...

A: Introduction :  Acid base titrations :In the titration it is a process of adding a definite amount o...