A 50.0 mL sample of 0.350 M HBr is titrated with 0.200 M KOH. What is the pH when 50.0 mL of KOH has been added?

Q: Consider the reaction: SO,C (9) = SO2(9) + C2 (9) K= 2.97 x 10° at 625 K In a reaction mixture at eq...

A: Given, SO2Cl2 (g) ↔ SO2 (g) + Cl2 (g) K = 2.97 x 103 T = 625 K Partial pressure of SO2 = 133 mbar = ...

Q: A 1.067g sample of magnesium oxide of 84.736% were treated with 50mL of 1.017 N Sulfuric Acid, and a...

A: Given: mass of MgO = 1.067 g Volume of H2SO4 = 50 mL  Normality of H2SO4 = 1.017 N Volume of NaOH = ...

Q: How many grams of glucose (C6H12O6) are present in 257.3 mL of a 11.2 M solution?

A: Molarity of a solution can be defined as the number of moles of solute dissolved per litre of soluti...

Q: Calculate the pOH of an aqueous solution at 298 K when the hydroxide ion concentration is 3.7 x 10−5...

A: Given [OH-] = 3.7 x 10−5

Q: You receive an order for 60. mg of meperidine (Demerol) for your postsurgical patient. The injection...

A: Given,  Mass of meperidine (Demerol) receive = 60 mg  The injection syringe is prepackaged with = 75...

Q: Consider the compound xenon dichloride, XeCl2 a.What is the polarity of the molecule? b. What type...

A: a) it is non polar compound . because both cl at 180 degree so they cancel each other effect .  b) X...

Q: H-bonding is present in carbohydrates and proteins. Given the following structures: (a) glucose, a m...

A: Hydrogen bonding is the interaction between a hydrogen atom located between a pair of other atoms ha...

Q: When a particular wavelength of light is shone on a metal with a binding energy of 3.62 × 10–19 J,  ...

A: Given binding energy of metal and Kinetic energy of ejected electron

Q: What's More Activity 4 - Complete the nucleosynthesis reactions below Given: Composition of each nuc...

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Q: A 0.6951 g sample of nicotine was analyzed and found to consist of 0.5147 g C, 0.06047 g H, and O.12...

A: Molecular formula of nicotine- C10H14N2   Formula for percentage of element in a molecule = (amount ...

Q: Find the element with the highest oxidation number in each of the following formulas: a Naz Cr2 O7 (...

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Q: kindly help me with this one Make a complete schematic diagram for the precipitation, separation, an...

A: A question based on qualitative analysis of anions that is to be accomplished.

Q: Estimate the change in the Gibbs energy of 100cm3 of water when the pressure acting on it is increas...

A: Volume of water = 100cm^3 Initial pressure = 100kPa Final Pressure = 500kPa Mass density of water = ...

Q: Sn aAPs HIM UQUSanb Jaunoue o SuC Question 2 How many ml. of 0.22M KCOH must be added to 100 ml of 0...

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Q: Write the balanced molecular and net ionic equations for the reaction of aqueous potassium carbonate...

A: The reaction of aqueous potassium carbonate with hydrochloric acid is a neutralization reaction betw...

Q: Calculate the volume occupied by 122.541 g of water at 22.35 °C

A: To find out volume occupied by water, use formula of density and density formula to calculate its vo...

Q: Which way will the equilibrium shift for the reaction 2NO2 2 2NO - O2 (AH = -83 kJ) if: Pressure is ...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: Question 3 Calculate the pH of the following solutions: 0.035 M HNO3 solution 5.25 x 10° M Sr(OH)2 s...

A: 0.035 M HNO3 5.25 x 10-6 M Sr(OH)2

Q: What is the molar solubility of Ag2CO3 in pure water, given that its Ksp= 8.10x10-12?

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Q: Metallic iron has a body-centered cubic unit cell (see figure). How many Fe atoms are in each unit c...

A: Given, Metallic iron has a body centred cubic unit cell. Number of iron atoms are in each unit cell ...

Q: The percentage by weight of formaldehyde in fomalin is: a. 40% b. 37% c. 12% d. 10%

A: Since there is no data given as such to calculate the percentage weight, it means that the percentag...

Q: Based on this equation: Ag+ + Cl-  AgCl State where the equilibrium shifted when the following re...

A: Given equation is :  Ag+ + Cl-  <-----> AgCl  State where the equilibrium shifted when the fol...

Q: Aqueous sulfuric acid (H, SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium s...

A: Balanced chemical reaction is  H2SO4 + 2 NaOH = Na2SO4 + H2O Here 1 mol of H2SO4 reacts with 2 mols ...

Q: Please answer all parts.  1. Consider the balanced reaction of sodium with bromine gas to form sodi...

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Q: What volume (mL) of 0.0665 M KMnO4 is necessary to convert 12.5 g KI (166.00 g/mol) to I2 in the rea...

A: Given equation is : 2KMnO4 + 10KI + 8H2SO4 --------> 6K2SO4 + 2MnSO4 + 5I2 + 8H2O Molarity of KMn...

Q: Gaseous ethane (CH, CH,) reacts with gaseous oxygen gas (O,) to produce gaseous carbon dioxide (CO,)...

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Q: Given the balanced reaction 2A + B = 2C, calculate ΔG for the system if: ΔGo at 700oC = -12120 J/mo...

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Q: What is the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of 1....

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Q: Which of the following rate expressions correspond to the reaction A + 3 B → C? rate=A[C]/2At A[C] r...

A: The rate of a chemical reaction can be expressed as the rate of decrease in concentration of reactan...

Q: How many Faraday is needed to deposit 1.6 g of Calcium (Ca) from CaCl2 solution using electrolysis p...

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Q: 17. Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of ...

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Q: Using the calculated experimental average density of the liquid samples as reference, what is the pr...

A: Density = (Mass ÷ Volume)  

Q: What volume of 0.7777 M HNO3 is needed in order to produce 200 mL of 0.1550 M HNO3?

A: Using equation of dilution M1V1 = M2V2 where M1and V1 is the molarity and volume of concentrated sol...

Q: Consider the reversible dissolution of lead (II) chloride. PbCl2 (s) = Pb2+ (aq) + Cl- (aq) Suppos...

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Q: Problem 4. Each of the following reactions is displaced to the right. Make a list of all the Bronste...

A:                                  Answer  Bronsted acid :- Which species loss the proton is called Br...

Q: By following the direction of curve arrow, draw the final product after the reaction. (a) BF, (c) - ...

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Q: Is cis-1,2-dibromocyclohexane a meso compound?  In its planar structure, it has a line of symmetry ...

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Q: Biofuels such as wood generate carbon dioxide when they are burned, but biofuels are nonetheless con...

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Q: How could a carbon atom could become a nitrogen atom? Explain and be specific in your explanation

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is ...

Q: -2 +31- - 25042 - 13, solve the rate law r=k(S20g2 rTV; x = For the reaction S20g Rate (M/min) Expt ...

A: Given :-  Rate law = ?  x = ?  y = ?  ---------------------------------------------------------

Q: How many grams of NaH2C6H5O7 must be added to a 300 mL solution of 0.15 M H3C6H507 (Ka= 3.2x 10) to ...

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Q: For the exothermic reaction PC (9) + Cl2(9) =PCl(9) Based on the initial data, which of the followin...

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Q: 41. What is the molar solubility of Ag2SO4 in a solution that is 0.0522 M H2SO4? Ksp= 1.40x10^-5

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Q: MeO2C -CO2H Pd(OAc)2, IOAC O a) Acetoxylation Ob) Acetylation Oc) lodination Od) Coupling

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Q: Question 9 The reaction C2H4 H2 C2H6 has an activation energy of 181 kJ mol and k = 2.5x10- M's at 5...

A: Activation energy of reaction = 181 KJ/mol = 181 × 103 J/mol Rate Constant,K1 = 2.5 × 10-2 M/s = 0.0...

Q: The Kb of C6H5NH3+ is 3.98x10-10 What is its Ka? What is the [H3O+] concentration

A:   We know that  At 25°C  Ka . Kb  = 10-14    Weak acid  pH = 1/2 (pKa - logC)  Weak base  pOH = 1/2 ...

Q: Question 6 For the reaction S20g -2-31-25042-13, solve the rate law r=k{S20g2(r; x = y = Expt (S20g ...

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction occur...

Q: How many g of sodium formate should be added to 250 ml of 0.2 M hydrochloric acid solution to obtain...

A: Given,  Volume of HCl = 250 mL  Molarity of HCl = 0.2 M  pH = 4.3  Mass of sodium formate in g = ?

Q: gamma ray photons with a wavelength of 2.54 x 10^-5nm express the energy numerically in kilojoules p...

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Q: Consider the compound nitrogen triflouride, NF3 a. What is the electronic geometry of the molecule?...

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.