Answer highlighted questions please) A 50.050.0 mL solution of 0.1390.139 M KOHKOH is titrated with 0.2780.278 M HClHCl. Calculate the pH of the solution after the addition of each of the given amounts of HClHCl. 26.0 mLpH=26.0 mLpH=     29.0 mLpH=

Q: 7. What is the equation for this overall reaction? a) 2A + 2C -> 2E +F b) 2A + B+ 2C -> 2E + F c) 2A...

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Q: How many molecules are present in 300.0 g of benzaldehyde (C_{6}*H_{5} * C * H * O)

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Q: Which alkyl halide will form.the most stable carbocation? Br Br Br II II IV Multiple Choice II IV

A: A carbocation is an ion with a positively charged carbon atom.

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Q: please answer both

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Q: The complete mechanism for a reaction is considered to occur in two steps, one of which is slow and ...

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Q: Given the following data, determine: 1) the rate law expression 2) the overall order of the reaction...

A: r = k [A]a [B]b  where, r = rate of reaction k = rate contant a = Order of reaction with respect to...

Q: when 15.00 mL of 2.00 x 10^-6 M lithium sulfate is mixed with 17.00 mL of 1.00 x 10^-6M sodium phosp...

A: Given: Concentration of lithium sulfate i.e. Li2SO4 = 2.00 × 10-6 M Volume of Li2SO4 solution = 15.0...

Q: What are the ΔHrxn and ΔSrxn values that indicate a spontaneous reaction at all temperatures?     ...

A: For a spontaneous reaction :  The value of ∆Hrxn and ∆Srxn = ?   

Q: a) CH3-CH2 CH2-CH3 b) CH3 -CH2-CH=CH-CH2-CH3

A: Step1- first identify the longest carbon chain.  Step2- start numbering from that side such that sen...

Q: Each row of the table below describes an aqueous solution at about 25°C . Complete the table. That...

A: The table given is, solution H3O+ pH A 9.5x10-8 mol/L   B              ...

Q: A plot of Gibbs Energy against the extent of reaction has been constructed. Which point in the graph...

A: From the graph it is clear that

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A: Given, Four statements regarding electrolysis is provided     Required,                      Among f...

Q: Methanol (CH3OH) burns in air according to the equation 2CH3OH + 302 2CO2 + 4H20 If 189 g of methano...

A: Given : Mass of methanol = 189g

Q: How many grams of gas are present in each of the following cases? b. 8.75 L of C₂H₂ at 378.3 kPa and...

A: We have to predict the mass of gases.  

Q: The distance between two atoms in a molecule is 148 pm. What is this distance in centimeters?

A: we know, 1 picometer(pm) = 10-12 meter(m) distance ( in m) = 148 pm  × 10-12 m / 1 pm = 148  × 10-12...

Q: 8. Fill in the following table: pH [H;O"] pOH [OH'] ACID or BASE 1.97 9.84 x 10-2 M 4.68 2.64 x 10-5...

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Q: product, determine the time for A to reach 1.438 M. Use the given: initial concentration of 2.553 M ...

A: For 1st order kinetics,  kt = ln(Ao/A) Where,  k = rate constant  t = time  Ao = initial concentrati...

Q: 5. Water flowing through a garden hose of diameter 2.74 cm fills a 25.0-L bucket in 1.50 min. a. Wha...

A: Diameter = 2.74 cm  Volume = 25.0L Time = 1.50 min

Q: Which of the following statements is true? A After drying a sample in the oven, you can place it imm...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: If an analysis of sugar, CxHyOz, gave 40.0% C and 6.7% H, what is the percent oxygen

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Q: II. PRACTICE EXERCISE 2: Identify the hybrid orbitals used in the given molecules. H HHH 21 31 41 51...

A: Given compound is : Identify the hybrid orbitals used in the given molecule = ? 

Q: • Part A ithium bromide and lead() acetate Express your answer as a chemical equation. Identify all ...

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Q: What is the packing efficiency (in %) for a simple cubic unit cell? Give answer with three decimal p...

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Q: Question 7 The AG'rxn for the reaction: N2(g) + 02(9) + 2 NO(g) is +173 kJ/mol at 25 °C. What is the...

A: The relation between standard Gibbs energy change for standard condition and equilibrium constant is...

Q: -1 3) The IR absorption at 1630 cm belongs to (a) CH;-C=N )CH>-CH=CHICH, (c) CH2=CH-CH=CH-CH2 (d) H-...

A: The correct option are: Note: as per company policy we are supposed to answer first three questions ...

Q: A mixture of the 8-hydroxyquinoline complexes of Al and Mg weighed 1.0843 g. When ignited in  a furn...

A: Given: The mass of sample = 1.0843 g. And the mass of Al2O3 and MgO formed = 0.1344 g. Assuming the ...

Q: The AG°rxn for the reaction: N2(g) + O2(g) 2 NO(g) is +173 kJ/mol at 25 °C. What is the equilibrium ...

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Q: The rate of a certain reaction was studied at various T(K) k (s-') temperatures. The table shows tem...

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Q: Which of the following factors affects the equilibrium of reversible reactions involving gas? O conc...

A: Equilibrium Reactions: The chemical reactions that can come back to the original path in which it ha...

Q: The recommended adult dose of Elixophyllin, a drug used to treat asthma, is 6.0mg/kg of body mass. C...

A: The weight of the person= 115 lb = (115×453.59)g = 52162.85 g = 52.163 kg 

Q: A sample of NH4HS (s) is placed in a 2.00 L container at 25oC. (a) Calculate the total pressure in t...

A:                                   NH4HS (s)     ⇔      NH3 (g)    +   H2S (g)At t=0                 ...

Q: Phosphorus and bromine react to form phosphorus tribromide, like this: PĄ(9) + 6 Br,(9) → 4 PB13(9) ...

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Q: It is possible to ignite diethyl ether at temperatures lower than +35 degrees Celsius. True or Fals...

A: Complete solution is given below in next step   

Q: Identify the reaction type ) 2K t Brz>2KB. 9) 2 NaHCO3 > Na z COzt coz tH )Na t Hz0 > Hz + 2Na OL, H...

A:                       Answer Identify the types of reaction

Q: For the reaction of the ammonium ion with nitrous acid, the net reaction is NH4*(aq) + HNO2(aq) → N2...

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Q: 24) Identify the type of Organic compound shown 애

A: In the given structure carbon atom is bonded to oxygen atom by a double bond and a hydroxyl group (-...

Q: What is polarity in chemistry

A: It is a physical property of compound which relates other physical properties such as melting point,...

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Q: Consider the reaction aA + bB dD + eE C = catalyst %3D The rate law is Rate = K[A]°[B]°[C]$ %3D Whic...

A: aA + bB +C -------> dD + eE  The rate law of a reaction represents  Rate is directly proportional...

Q: Given the following data, determine: 1) the rate law expression 2) the overall order of the reaction...

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Q: Which of the following is/are TRUE about Galvanic cell? The Gibbs Free Energy of the cell is negati...

A: In Galvanic cell there is conversion  if chemical  energy  to electrical  energy  and In electrolyti...

Q: calculate the concentration of the unknown KMnO4 solution in ppm

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Q: The AGʻrxn for the reaction: N2(g) + O2(g) 2 NO(g) is +173 kJ/mol at 25 °C. What is the equilibrium ...

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Q: Which of the following changes will affect the rate constant of a reaction 1. Increasing or decreasi...

A: The rate constant is affected by  1) increasing or decreasing the reaction temperature

Q: A chemist prepares a solution of copper(II) fluoride CuF2 by measuring out 0.159μmol of copper(II)...

A: Given :- number of moles of CuF2 = 0.159μmol  Volume of solution = 250. mL  To calculate :- concentr...

Q: Of the following list of five compounds, select ALL that will form a KETONE as the major substrate p...

A: The answer is as follows:  

Q: 3-38 Give IUPAC names for the following compounds: (a) CH3 (b) CH3 (c) H3C CH3 CH3CHCH2CH2CH3 CH3CH2...

A: According to IUPAC nomenclature first we have to select the longest chain of hydrocarbon which conta...

Q: Gaseous butane (CH. (CH, (CH,), CH,) will react with gaseous oxygen (0,) to produce gaseous carbon d...

A: Butane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical r...

Q: Ammonium perchlorate (NH,CIO,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts wi...

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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.