A 20µM solution is prepared by diluting ml of a 0.1mM solution into 500ml of wate

Q: For every mole of NaHCO3 reacted , one mole of CO2 is produced. The mole ratio for those two compoun...

A: Given that 1 mole of NaHCO3 produce 1 mole of CO2.  We are asked to convert the mass of CO2 to NaHCO...

Q: Which indicator is found in a solution with a pH of 10? a. Phenolphthalein turns colorless b. Litmus...

A:

Q: N29) + 3 H2(g) →2 NH3(g) AG°rxn = -16.5 kJ mol 1 Determine the Gibbs free energy of reaction, AGxn: ...

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Q: b. hydrogen ion d. hydride ion 4. In a laboratory activity, LIOH) is completely dissolved in distill...

A: 4.  LiOH is a strong base Nad HCl is a strong acid.  Therefore, neutralization reaction between stro...

Q: Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate...

A:

Q: Calculate the molarity, M, of KCl when 2.65 g KCl are dissolved in 2.50 ×x 10° mL of solution. Enter...

A: Given- Weight of KCl= 2.65g Volume of solution=2.50×10^3 mL=2.50L Molarity of solution=?

Q: N-(2-hydroxyphenyl) acetamide N-(3-hydroxyphenyl) acetamide N-(4-hydroxyphenyl) acetamide what are t...

A: Physical discription: A physical description or property is a characteristic of any chemical substan...

Q: A solution of HA, a weak acid (K = 0.0040), is prepared with a concentration of 0.579 M. Determine t...

A: Given Data :  1. Ka =0.0040  2. Concentration of HA = 0.579 M   

Q: Activity 2 Assignment Lesson 9 - Moles, Mass, and Number of Molecules   Module 3: Chemical Calcula...

A: Mole: A mole is defined as total 6.02214076 × 1023 unit of some chemical intity. It can be atoms, mo...

Q: An aqueous solution is made by mixing 4.3 mL of 0.40M Co(NO3)2 and 8.7 mL of 12.0 M HCI, and the fol...

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Q: ) What is the name of the compound below? a) 3-oxopentanoic acid b) 1-acetopentanone c) acetopentano...

A: Here we have to write the IUPAC name of the following componund whose structure is given.

Q: Br

A: Here we have to use CIP rule for giving priority

Q: Calculate the molarity of a solution made by diluting 0.058 L of 0.11 M HCl solution to a volume of ...

A: Given :-  Initial concentration of HCl solution = 0.11 M  Initial volume of HCl solution = 0.058 L  ...

Q: molarity

A:

Q: To make straight hair curly, the --- bonds holding the protein chains together are reduced.   Quest...

A: Curly straight hair reduces the disulfide bonds that hold protein chains together and creates free S...

Q: 5. Which of the following are factors that determine whether a reaction is spontaneous or nonspontan...

A: Any process is called spontaneous if there is not any output force is applied during the process or ...

Q: (b) Ammonia oxidizing bacteria (AOB) play an important role in nitrogen cycle. They are also utilize...

A: Note: As per our company guideline we can answer only three subparts. Kindly repost the question men...

Q: The value of K, for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its con...

A: Ans. 3.33*10-11

Q: Calculate potentials after the addition of 10.00, 25.00,50.00, and 50.10 mL of the reagent. Where ne...

A: Given: Volume of reagent: 10.00, 25.00,50.00, and 50.10 mL   Cell:  50.00 mL of 0.1000 M V2+ with 0....

Q: You have 3 compounds (A, B, C) in your samples. Their polarity A > B > C. You want to separate these...

A: In HPLC technique, the separation of components on basis of polarity, size, charge takes place. The ...

Q: 4. Explain why aspirin is more soluble in ethanol than in water. For either of these solvents explai...

A: The basic rule of solubility is like dissolves like i.e., polar solvent will dissolve polar solute a...

Q: It contains more than the equilibrium amount of a solute that can be dissolved. supersaturated solut...

A: The correct option is supersaturated solution Supersaturated solution are the solution which contai...

Q: One liter of a 1M NaCl solution has less Na molecules than K molecules in one liter of a 1M KCI solu...

A: The statement is False. The sodium is smaller in size than potassium atom because from periodic tabl...

Q: 3. Determine the 3D structure of the molecule of formula C2H,O (H3CCHO). Indicate the geometry aroun...

A: CH3CHO - acetaldehyde  Contains two carbon single bonded  1is methyl carbon, sp3 hybridised tetrahe...

Q: 8. Gibbs free energy also determines the non-spontaneity of a reaction 9. According to Gibbs free en...

A: Answer: These are the question based on the second law of thermodynamics which help us in determinin...

Q: Calculate the concentrations of all species in a 0.770 M NaCH3COO (sodium acetate) solution. The ion...

A: NaCH3COO = 0.770 M Ka = 1.8 × 10−5  

Q: a) Calculate the standard potential for the reaction AgsAsO4+ 3e°2 3Ags) + AsO² b) Give a schematic ...

A:   As per the guideline, since you have posted a question with multiple sub-parts, we have solved the...

Q: 3. In the following unbalanced equations, identify the following a) The oxidized element and the red...

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Q: 2. Consider the transition for the H atom from n=4 to n=2. a) What would be the theoretical change i...

A: Given-> n(initial) = 4  n(final) = 2  

Q: conjugate acid conjugate base

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Q: Complete the following table, which lists information about the measured acid dissociation constants...

A: Values of ka and pKa can be calculated from given one of the value using the relation between them  ...

Q: ΔHorxn = 102 kJ and ΔSorxn = 299 J K-1. Determine the minimum temperature (in K) at which the react...

A:

Q: A 0.434 g sample of a monoprotic acid is dissolved in water and titrated with 0.170 M KOH. What is t...

A: Number of mole of NaOH used will be equal to moles of monoprotic acid being neutralised

Q: conjugate acid conjugate base

A:

Q: What is the approximate concentration of free Cut ion at equilibrium when 1.48x10 2 mol copper(I) ni...

A:

Q: Determine the osmolarity of 7.0 × 103 M Na PO4. Enter your answer in scientific notation. Be sure to...

A: Osmolarity is the the measure of solute concentration and is defined as the number of osmoles of sol...

Q: Consider the following equilibrium reaction for hydrocyanic acid, HCN. HCN leftrightarrow H^+ + CN^-...

A:

Q: The base protonation constant K, of azetidine (C,H,NH) is 1.5 x 10 °. Calculate the pH of a 0.63 M s...

A: Given :-  Concentration of azetidine = 0.63 M  Kb for azetidine = 1.5 × 10-8  To be calculated :-  p...

Q: On the basis of Kc for the following reaction, would you expect the reaction to go almost completely...

A: Chemical equilibrium is defined as the stage at which both reactant and product are in equilibrium.

Q: Determine the pH of an aqueous solution where [OH] = 6.0 x 10 10 M.

A: Given data : [OH-] = 6.0 × 10-10 M.  To find : pH 

Q: HgCl2(s)/Hg(1) CO2(g)/CH3OH | Write the redox half-equation then deduce the expression of the Nernts...

A: Given: To write half cell equations and deduce expression of  Nernst law

Q: 1. 25.00 mL of 0.2M acetic acid and 3.81 mL of 0.20 M NaOH were mixed together. The resulting soluti...

A:

Q: AH = - 1.2 kcal/mol; Kp = 16 nM %3D OH 1 HO AH = - 6.0 kcal/mol; N. Kp = = 76 nM OH 2 करले HOl. AH =...

A: Binding enthalpy Or ΔH for a binding process reflects the energy change of the system when it ligand...

Q: 6. The compound para-aminobenzoic acid is composed of Carbon (61.32%), Hydrogen (5.14%), Nitrogen (1...

A: Answer:- Given - total mass of PABA =100g Carbon= 61.32%, Hydrogen= 5.14%, Oxygen=23.33% and Nitroge...

Q: Copper(I) ions in aqueous solution react with NH, (aq) according to Cu*(aq) + 2 NH, (aq) Cu(NH,)* (a...

A: To calculate the solubility of CuBr is g/L , we would first calculate solubility in mol/L using the ...

Q: Calculate potentials after the addition of 10.00, 25.00, 50.00, and 50.10 mL of the reagent. Where ...

A: Given: 50.00 mL of 0.05000 M U4+ with 0.02000 M MnO4- To Calculate: Potential after the addition of ...

Q: Part A What volume is occupied by 0.108 mol of helium gas at a pressure of 0.99 atm and a temperatur...

A:

Q: On the basis of Kc for the following reaction, would you expect nearly complete reaction at equilibr...

A:

Q: Determine the relation between the pH values of the two solutions. Select the correct choice below a...

A: pH = -log [H+]  

Q: F3C Br2, Fe A HNO3, H2SO4 В NO2 HNO3, H,SO4 Br2, Fe NO2 C HO3S' D H3CO

A: The above given reactions are aromatic  electrophilic substitution reactions, in which benzene ring ...