Calculate the pH during the titration of 20.0 mL of 0.25 M HBr(aq) with 0.25 M LiOH after 20.89 mL of the base have been added.

Q: Calculate the mass of KI needed to saturate 111.11g H,0 at 20° C.

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Q: What is the mass of KCIO3 that can be dissolved in 200g of H20 at 90° C?

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Q: A student dissolves 13.0 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open cup...

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Q: Consider the reaction CO (g) + H2O (g) = CO2 (g) + H2 (g) K. = 102 at 500 K A reaction mixture initi...

A: The equilibrium concentration of CO2 can be calculated as follows

Q: What mass of NH4C1 can be dissolved in 195g of H2O at 70° C?

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Q: Ki

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Q: Calculate q when 13.7 g of ice is cooled from -16.2°C to -82.9°C (cire = 2.087 J/g K)? J

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Q: Solve it asap with explanation..

A: What are the sources of triglycerides in the soap reaction ?

Q: When 8.0 ml of 0.00200M KSCN is mixed with 2.0 ml of 0.00200M Fe(NO3)3, the measured absorbance (A) ...

A: Answer: By using the Beer's law we can calculate the concentration of FeSCN2+ and then by using ICE ...

Q: the Molecular, Total Ionic and Net Ionic equations for the following reactions: Sodium hydroxide an...

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question fo...

Q: • Part C How many milliliters of 14 M HCl must be added to 0.500 L of the original solution to chang...

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Q: Part A MISSED THIS? Watch IWE 15.3; Read Section 15.4. You can click on the Review link to access th...

A: Given,  CH4(g) + CO2(g) ⇌ 2CO2(g) + 2H2(g)  ∆ng = (2+2) - (1+1) = 2 Kp = 4.8 x 102  Temperature, T =...

Q: does the 13C-NMR spectrum of the product only show six signals for the 1,4-di-tert.-butyl-2,5-dimeth...

A: ->Number of signal in 13CNMR is equal to total number of non-equivalent carbon atom.    

Q: 1. 2. 3. H. H

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of...

Q: What volume of 0.496 M HCI is required to neutralize 20.0 mL of 0.809 M sodium hydroxide? Balanced C...

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Q: How many peaks will show up in the H NMR spectrum of the given compound below. Choose one: A. 9...

A: The proton-NMR spectra of a compound is used to determine the presence of different types of hydroge...

Q: c. When 9.5 g of an impure Silver Nitrate (AGNO, mol. wt 170 g/mol) was treated with excess sodium c...

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Q: mixture of xenon and hydrogen gas is expanded from a volume of 16.0 L to a volume of 35.0 L, while t...

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Q: A container of O2 gas at 75 °C has a volume of 3.5 liters at 1.3 atm. What is the new volume of the ...

A: Given :-  Initial pressure (P1) = 1.3 atm  Initial volume (V1) = 3.5 L Final pressure (P2) = 0.80 at...

Q: An industrial factory makes an effort to reduce the amount of nitrogen dioxide (NO2) emissions it re...

A: Correct option is (D) explanation is given below

Q: Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have us...

A: Given - Weight of Na2CO3 = 0.498 gm Volume = 24.8 ml = 0.0248 L (1 L = 1000 ml)    

Q: C,H,OH(1) ħas a higher entropy value than C,H,OH(g). A) True B False Question 8 Which of the followi...

A: Q7)   The statement is false. Hence option B is correct.   Entropy is a measure of randomness. Since...

Q: A community member living in a highly populated city has asthma, which increases sensitivity to cert...

A: The table below shows the U.S. Air Quality Index (AQI).The higher the AQI value, the greater the lev...

Q: the oxidation number of oxygen for each compound in the following reaction: 2H2O2(aq)→ 2H2O(l)+O2(g...

A: 2H2O2(aq) --> 2H2O(l) + O2(g)  

Q: For Practice 15.15 - Enhanced - with Feedback I Review | Constants | Per Part A Consider the followi...

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Q: Current Attempt in Progress Calculate the number of moles of each of the ions in the following solut...

A: Volume = 26.6 ml = 0.0266 L Molarity = 0.157 M

Q: Consider the following reaction: H2 (g) + I2 (g) = 2 HI (g) Complete the following table. Assume tha...

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Q: Complete the table below. Be sure each of your answer entries has the correct number of significant ...

A: Complete the table of the given above--

Q: . If 10.0 g of NaCl are dissolved in 75.0 mL of water, what will be the freezing point of the soluti...

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Q: Given the following chemical equation and rate law: CH3CHO(g) → CH4(g) + CO(g) Rate = k[CH3CHO]? Wha...

A: For the given chemical reaction., CH3CHO(g) ---> CH4(g) + CO(g) Rate for the reaction = k[CH3CHO]...

Q: Chemical Equilibrium Conceptual Connection 15.2 - Enhanced - with Feedback 17 of Review | Constants ...

A: Equilibrium constant is the ratio of concentration of products and concentration of reactants. For p...

Q: Which of the following reactions will not produce a precipitate? O BaCl2(aq) + AgNO3(aq) O NAOH(aq) ...

A: Precipitation reaction: In precipitation reaction an insoluble salt is formed by the reaction betwee...

Q: I make a buffer solution from of 45.0 mL of 0.500 M sodium acetate (NaCH3COO) and 5.0 mL of 0.500 M ...

A: Let us solve this question step by step. 

Q: Chloroform, CHCl3, reacts with chlorine, Cl2, to form carbon tetrachloride, CCl4, and hydrogen chlor...

A: Limiting reactant can be defined as the reactant that get totally consumed in the reaction and there...

Q: Na SOH SO-H NANO2 2-паphthol MW 144.17 HCI NH2 NO II NaOH p-sulfanilic acid MW 173.19 a diazonium sa...

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Q: a de Broglie wavelength O 3/5 Imagine an alternate universe where the value of the Planck constant i...

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Q: In an electrophilic aromatic substitution: Friedel-Crafts alkylation, where the tert.-butyl cation i...

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Q: Express your answer using two significant figures. A, a weak acid, with Ka = 1.0 x 10-8, also forms ...

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Q: 64584@q.164 e. What is the approximate molar mass of the metal? (Use Eq. 4.) joules/g C g/mol

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Q: If the [H3O+] is 4.95 x 10–12 M, what is the pH?

A: Given :-  [H3O+] =  4.95 x 10–12 M  To calculate :- pH of solution  

Q: If 500mL of 0.1F lead altrate solution is added to 1L of 0.25F potossium lodate, calculate : a. numb...

A: Note: As per company policy we are supposed to attempt first question only.

Q: CIIBI(CII):CIICII; Br

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Q: Braw the organic products formed in the reaction shown. но- H,0 heat OH Give the major organic produ...

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Q: d. Find AH for the dissolution of 1.00 g NAOH in water. AH=-qmcst AH = kJ/g e. Find AH for the disso...

A: When 4.98 g of NaOH was dissolved in 49.72 g of water ., ∆Hrxn = - 6036.3 Joule

Q: Equilibrium Felf Assessment 15.2 - Enhanced - with Feedback MISSED THIS? Watch KCV 15.3, IWE 15.1; R...

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Q: Calculate the volume of saturated Ammonium sulphate to be added to a 112ml of protein solution to ac...

A: Here, we are performing dilution of given protein solution. So,  C1V1 = C2V2 Where ,C1 and V1 are in...

Q: * (II) Draw all possible stereoisomers (a combination of s-cis and s-trans) for 3-ethyl-5-methyl-2,4...

A: We have to answer the following given question. 

Q: many grams of nitrogen gas (N2) are in a balloon with a volume of 35.7 L at STP? (1 mole of gas at S...

A: Given-> Volume= 35.7 L Molar mass of N = 14.01g/mole 1 mole gas has volume = 22.4 L (at STP)  

Q: 15 of 22 I Review | Constants | Periodic Table MISSED THIS? Watch KCV 15.8, IWE 15.9; Read Section 1...

A: Given data : Kc = 5.0 Initial concentrations [A] = [B] = 1.0 M Reaction : aA (g) + bB (g) ⇌ cC (g) W...

Q: Use the following Lewis diagram for ethyl acetate to answer the questions: Remember that geometry re...

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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.