pKa

Q: 250. mL of a 2.00 M solution is diluted by the addition of 600. mL of water. Calculate the final mol...

A: • The values provided in the question are:-    i) Initial volume of a solution, V1 = 250 mL  ii) Ini...

Q: The three conditions that must be met at the nanoscale level if a reaction is to occur. 1. Reactant ...

A: Kinetic theory of gases explains the necessary condition for a reaction to happen. 

Q: What is the expected major product of the following reaction? 1. MCPBA 2. H,O* HO. OH он HO, HO. HO ...

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Q: For each structure below (1) show all resonance forms (do not increase overall # of formal charges),...

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Q: 50.0 grams of KCI is dissolved in water to make a 4.00 L solution. What is the molarity of the solut...

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Q: A sample of magnesium metal reacts completely with an excess of hydrocholoric: Mg(s) + 2 HCl(aq) -- ...

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Q: Please use the values in the resources listed below instead of the textbook values. The pH of a 0.67...

A: HNO2 is weak acid hence it dissociated partially in solution

Q: Identify and label the acid and the and base using pka values. draw the proper electron pushing arro...

A: Note: P-methyl phenol is strong acid (Pka = 10) than benzene (PKa = 43). Therefore equlibrium toward...

Q: pH

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Q: You have 0.10 M aqueous solutions of HCIO3, NaCIO3, HCIO2 and NaClO2. Which answer below correctly l...

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Q: Can you dissolve 0.35 moles of potassium permanganate into 500 ml of water? Why or why not?

A: Solubility is the amount of a solute that can be dissolved in a given solvent. It is usually express...

Q: The number with the most significant zeros is . A) 2.5100000 B) 250000001 c) 2.501 × 10-7 D) 0.02500...

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Q: A sample of acetic acid is titrated with a standardized NaOH solution. Before the end-point of the t...

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Q: Question 4: Rank the follow from most to mid to least acidic. Explain your answer. :O: :0: :0: H-ö-p...

A: Acids are substances which release H+ ions when dissolved in water. Higher the number of H+ ions rel...

Q: Calculate the value of E°cell for the following reaction: 2Au(s) + 3Ca2+(aq) → 2AU3+(aq) + 3Ca(s) Gi...

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Q: Name the compound using the Olid System Hg(NO Answer

A: Hg(NO3)2 can be named in many ways-   Firstly  it can be named as mercury(||) nitrate.   Secondly we...

Q: Examine the following half-reactions and select the strongest oxidizing agent among the substances. ...

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Q: If the Keq is 5.3, the reaction is Select one: a Can't be determined, need more data. b. Product-fav...

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Q: What is the expected major product for the reaction below? EGMU 2020737654 t-BUOK Br ? t-BUOH 4. L-B...

A: This reaction is an elimination reaction . H and Br should be anti to each other. As it is a anti el...

Q: 3.) HEROINE A DERIVATIVE OF MORPHINE IS A POWERFUL ANALGESIC. CALCULATE THE KB FOR HEROIN IF THE PH ...

A: Given that -  pH of heroine = 9.60  Molarity = 1.7×10-3 M    The Equilibrium Reaction for heroine an...

Q: (c) Complete the template below to show the compound shown above in its chair conformation. Be sure ...

A: Given is cyclohexane derivative 

Q: a) COOH b) сно c) CH2OH Br+Ci d) CH2OH H2N+H ČH3 H+OH ČH2OH Br -CI ČH3 I I

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Q: If my energy usage is an average of 998.79 kilowatts/hours per month in the last 12 months. How many...

A: The energy of a system is a property associated with it and is used to perform a notable quantity of...

Q: In a different titration experiment, it took 17.59 mL of a 0.198 M solution of NaOH to titrate 20.00...

A: From equation mole of HCl and mole of NaOH is equal

Q: What is the overall reaction for the following cell line notation of a galvanic cell? Al(s)|AI3*(aq)...

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Q: Review the reactions below. Select the reagent needed to carry out each reaction as shown. он I. он ...

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Q: What is the overall reaction for the following cell line notation of a galvanic cell? Al(s)|AI3*(aq)...

A: Cell line notation of a galvanic cell :  Al(s)|Al3+(aq) || H+(aq)|H2(g)|Pt  Overall reaction for thi...

Q: How many grams of methane, CH4 are in a 1,848 mL tank at 104 °C and 319 kPa? Just put in the number....

A: Using the ideal gas law equation to find moles.  Then using molar mass to find mass of CH4  

Q: Use Le Chatelier’s Principle to decide what happens to the [PH3]. All are gases. 4 PH3 + 2 H2 + 9 O2...

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Q: 72.691g        84.321g FeSO4   +   Potassium phosphate  à  Iron (II) phosphate  +  K2SO4     Conv...

A: The number of moles of any species is defined as the ratio of given mass of that species to that of ...

Q: What volume will be needed to contain 2.5g of argon gas at a temperature of 20ᵒC and a pressure of ....

A: The ideal gas equation is  PV = nRT  P = pressure in atm  V = volume in L  n = moles of gas = mass /...

Q: A solution contains 5.38×10-3 M lead nitrate and 8.44x103 M cobalt(II) acetate. Solid ammonium sulfi...

A: The concentration of lead nitrate, Pb(NO3)2 = 5.38×10−3 M The concentration of cobalt(II) acetate, C...

Q: Show work please. a. Which species has a different number of pi bonds than the others? (A) C2 H 2 ...

A: a. Ozone double bonds resonance. Remaining compounds having localized double bonds. b.  CCl4 and TiC...

Q: What is the formal charge on the atom the arrow points to? CI CI Al-CI CH3 CI O+2 O+1 0. O -1 O-2

A: We have to calculate the formal charge on the Cl atom.   

Q: A buffer solution containing only 0.050 mol of CH3NH2 and 0.060 mol of CH3NH= has a total volume of ...

A: Given.     Methylamine = 0.050.                              CH3NH3Cl = 0.060

Q: PCI5 has electron domains and a molecular arrangement. A 5, trigonal bipyramidal 6, trigonal bipyram...

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Q: Select the correct configurational descriptor for the following: I H. Но, H, CH3 II 'H © GMU 2020 A....

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Q: Which solvent conditions favor SN1 reactions over SN2? polar protic apolar protic polar aprotic O ap...

A: Sn1 reaction is unimolecular nucleophilic substitution reaction.  Sn2 is bimolecular nucleophilic su...

Q: Fe + Cuso, -> ? Select one a. Feso,+ Cu 2. b Cu + So 2+ C. No reaction/No visible reaction (NVR) d. ...

A: Given        Fe + CuSO4 →

Q: Compound NH4HCO3(s) NH3(g) CO2(g) H20(1) AG° (kJ/mol) -665.9 -16.45 -394.4 -237.1 Consider the given...

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Q: How many mL of 1.8 M magnesium hydroxide is required to neutralize 54.78 mL of 1.4 M of hydrochloric...

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Q: Find AGpen for the reaction: 3 C(s) + 4 Hk(g) CaHs(g) Use the following reactions with known values ...

A: The value of ∆G depends on the Stoichiometry of the chemical equation If a chemical equation is rev...

Q: ii Rank the three molecules in order of increasing boiling point. Explain, in terms of intermolecula...

A: In prop-2-en-1-ol , strongest intermolecular force of attraction acting between the molecules are Hy...

Q: What is the value of the equilibrium constant for the cell reaction below at 25°C? 2Cr(s) + 3PB2*(aq...

A: Equilibrium constant is calculated by standard Gibbs free energy change

Q: Compound NH4HCO3(s) NH3(g) CO2(g) H20(1) AG°; (kJ/mol) -665.9 -16.45 -394.4 -237.1 Consider the give...

A: We will first calculate ∆G° then find Q and at end calculate ∆G.

Q: What is the molarity of a solution prepared by dissolving 317 g of CaCI2 into enough water to make 2...

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Q: The molecule prop-2-en-1-ol is a starting material for polymers. It is often drawn as depicted in Fi...

A: The value of bond angles depend on the hybridisation of Carbon atom and shape shape around that carb...

Q: An aldopentose "O", is oxidized with HNO3 to a diacid "P" which is optically active. The compound "O...

A: Compounds with mirror plane are optically inactive.

Q: Identify the asymmetric carbon in this molecule. Type letter of your choice.

A: Asymmetric carbon atom is a carbon atom that is attached to four different types of atoms or groups ...

Q: Consider the following standard reduction potentials: Fe3+ (aq) + e MnO4 (aq) + 8 H*(aq) + 5e → Mn2+...

A: In this question, we will see the strongest oxidizing agent.  You can see below.