1) A buffer solution contains 0.350 M ammonium bromide and 0.400 M ammonia. If 0.0452 moles of perchloric acid are added to 225 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding perchloric acid) pH =

Q: there may be several correct answers Group-wide reaction to drugs of the tropane group: A. Zinke…

A: Correct option is C.

Q: The atomic radius of E is 107 pm and tiat of E is 231 pm. Calculate the percent increase in volume…

A: The atomic radius of E is = 107 pm The ionic radius of E- is = 231 pm Percent increase in the volume…

Q: Consider the following data for yttrium: g 88.906 mol atomic mass electronegativity 1.22 kJ 29.6 mol…

A: We would first check the type of reaction given and compare it with the given data .    Note : As…

Q: places it in a hypertonic aqueouS following best describes what will happen after one hour? A) Water…

A: Correct option is B.

Q: An electrochemical cell is constructed in which the silver ions in silver chloride are reduced to…

A: Given,  A current of 0.500 A is passed through the cell for 101 minutes. The mass of copper metal…

Q: Calculate the elecytomotive force (in volts) registered by an electrode immersed in a solution…

A: Given that

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A:

Q: An analytical chemist is titrating 118.5 ml. of a 0.5800M solution of diethylamine (C,H,) NH) with a…

A: Given -> Volume of diethylamine = 118.5 ml Concentration of diethylamine = 0.5800 M Volume of…

Q: 8.35 Draw the str a. dipropyl- b. butylamı C. ethyldim

A:

Q: Calculate the value of [OH] from the given [H3O*] in each solution and label the acidic or basic: a.…

A: Given : We have to calculate the concentration of hydroxide ion.

Q: The chlorination of methane occurs in a number of steps that results in the formation of…

A: Answer: This question is based on ideal gas equation which is shown below: PV=nRTP=nRTV Here:…

Q: A student placed 16.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A: Given: Mass of glucose in the initial solution = 16.0 g. Volume of initial solution = 100 mL = 0.100…

Q: Given the reduction potentials below: Reduction Half-Reaction E° (V)   Reduction Half-Reaction…

A:

Q: What products are formed when each ester is treated with H,O and H,SO,? b.tooi CH;CHCH, C.…

A: This is an example of acid catalysed hydrolysis of ester which result in the formation of carboxylic…

Q: How many grams of indium may be formed by the passage of 6.73 amps for 2.55 hours through an…

A: Given, Current (I) = 6.73 A Time (t) = 2.55 hours = 2.55 × 60 × 60 s = 9180 s mass (in grams) of…

Q: A student determines that an aqueous solution that contains 0.138 M potassium formate and 0.147 M…

A:

Q: product(s) forms at the cathode

A:

Q: ball & stick labels cis isomer trans isomer cis-trans isomerism not possible

A: Here, we have to find whether the given compound is a cis or trans isomer from the given ball and…

Q: A reactant decomposes with a half-life of 47.9 s when its initial concentration is 0.325 M. When the…

A: Given: When the initial concentration is 0.325 M, the half-life = 47.9 s When the initial…

Q: Which of the following anions will form a weakly basic solution?   magnesium   nitrate…

A: Correct option is E

Q: Calculate quantity of charge and maximum work from a battery. The discharge reaction for a…

A:

Q: explain why it would not be possible to determine the orders with respect to both iodide and…

A: To explain: why it would not be possible to determine the orders with respect to both iodide and…

Q: Consider the reaction CO(g) + Cl2(g)- →COCI2(g) Use the standard thermodynamic data in the tables…

A:

Q: Gaseous butane (CH3(CH2), CH;) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide…

A:

Q: Which statements explains the energy requirements of chemical reactions?   A) The rate of reaction…

A: Activation energy: When the reactant molecules convert into the products, they required the minimum…

Q: 3-Calculate the molar mass of HCIO,. 45.5 g/mol 145.5 g/mol 100.5 g/mol 65.8 g/mol

A:

Q: A 0.037 M solution of a weak acid (HA) has a pH of 4.34. What is the Ka of the acid?

A:

Q: What is the pH of a 1.3 X 10-4 molar solution of potassium hydroxide?

A: Given :- concentration of KOH solution = 1.3 × 10-4 M  To calculate :- pH of solution

Q: ball & stick v + labels cis isomer trans isomer cis-trans isomerism not possible

A: The cis-tans isomerization is a type of stereoisomerism. The molecule which contains a double bond…

Q: H2Oz, HO-S-CT, Ho- (Re

A: The mechanism of the above organic transformation is given below

Q: 1) PCI3(1) + Cl2(g) → PC!5(g) Jse equations (2) and (3) to calculate AHrxn of equation (1): 2) P4(8)…

A: When the reaction is sum of two reaction, then the enthalpy of that reaction will be the equal to…

Q: Z-I Give an acceptable name for each amine. a. CH;CH,CHCH3 -N(CH3)2 C. NH2 H. b. CH3CH,CH,NHCH3 d.…

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: What volume of a 0.500 M HCl solution should you use to prepare 2.60 L of a 0.150 M HCl solution?

A: Given :-  Initial concentration (M1) = 0.500 M  Final concentration (M2) = 0.150 M  Final volume…

Q: Calculate Keq for the reaction below given the following information: initial partial pressure of…

A:

Q: ball & stick v labels cis isomer trans isomer cis-trans isomerism not possible

A: Idea about Cis-trans isomer.

Q: What is the oxidation number of H in each of the following: H2(g); H2SO4; NaH For the toolbar, press…

A: Oxidation number Oxidation number  of an atom/ion is the number of electrons an atom/ion that the…

Q: iew | Constants | Periodic Table A red blood cell has been placed into each of three different…

A: The answer is given below

Q: You add 50. mL of water to 30. mL of a 0.50 M stock HCl solution. What is the [HCl] of the new,…

A: Given:: Initial, M1= 0.50 M , V1= 30. mL  Final, M2= ? V2= (30+50)= 80 ml

Q: Two kinetics trials are performed at the same temperature with [S2O82-] held constant. The first…

A: For a reaction of type aA+bB--->cC +dD Rate law is written as Rate = k[A]x[B]y where x and y are…

Q: How many moles of electrons are required to produce 18.1 g of potassium metal from a sample of…

A: We are hereby asked that how many moles of electrons are required to produce 18.1 g of potassium…

Q: dou Hydration of OKymercuration-demercuration product of the acid-catalyzed hudration the follswing…

A:

Q: Ca(NO3)2(aq) + Na2CO3(aq) → CaCO3(s) + 2NaNO3(aq) A) Balance the chemical equation. B) How many…

A: In a balanced equation, the number of atoms of elements on both sides of the equation must be equal.…

Q: What product(s) forms at the anode in the electrolysis of an aqueous solution of FeBr2?

A: At anode oxidation takes place always.

Q: Why does the addition of bromine to fumaric acid require a high temperature for the reaction while…

A:

Q: An electrochemical cell is shown below with Zn in ZnCl2(aq) and Cu in Cu(NO3)2(aq), and  KNO3(aq)is…

A:

Q: Oxidation: Fe2+ Fe3+ + e Reduction: Cu2+ + 2 e¯ → Cu Net: 2 Fe2+ + Cu²+ → Cu + 2 Fe3+ What is the…

A:

Q: Acetic acid was dissolved in water to a concentration of 0.10 mol.L-. The pKa of acetic acid is 4.8.…

A: a.) Acetic acid is an acid , so it would donate protons . For this we would write a chemical…

Q: Furnaces in residential homes usually burn natural gas, which is mostly methane, CH4. The balanced…

A: Here is the balanced equation for the complete combustion of methane: CH4 + 2O2 →CO2 + 2H2O

Q: abel the conjugate acid-base pairs in each eqld HI + NH3=NH* +I b. HCOOH+ H2O=H;O* +HCOO c. HSO4…

A: Given that concentration of OH- is each solution as, a. OH- = 10-5 M b. OH- = 10-12 M We have to…

Q: ball & stick labels cis isomer rans isomer cis-trans isomerism not possible

A: Cis-trans isomers are stereo isomers with same molecular formula but differ in the connectivity of…

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.