why is it not always necessary to refill the buret after every titration?

Q: Complete and balance the following equations. SrBr2(aq) + _____ Na2S(aq) --> B. A. If no reaction…

A: A chemical equation is a representation of a chemical reaction. The reactants and the products…

Q: Suppose that you are required to calculate the number of Ar atoms (N') in a certain mass m of Ar.…

A: The number  is known as 'Avogadro's Constant' in the honor of Amedo Avogadro. One mole is the amount…

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Q: Complete ionic equation: + Net ionic equation: c. Balanced formula equation: Sr(OH)₂ (aq) + mit…

A: Ionic equation shows all the ions that are involved in the reaction.Net ionic equation show only…

Q: Which effect of the chemical industry is a positive one? O advancements in medicine O pollution of…

A: Chemical industries are chemical manufacturing or processing industries.It involves pharmaceutical…

Q: H. Predict the ¹H NMR chemical shift of the circled proton(s) in the structure below. H₂ 요 H₂ CH3 A)…

A:

Q: L HO

A: The given reaction is ring opening and then cyclisation takes place and after keto -enol tautomerism…

Q: I need help interpreting this graph

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Q: The pOH of an acidic solution is 11.15. What is pH?

A: pOH of acidic solution = 11.015We need to calculate the pH of acidic solution.

Q: Draw the structure of the aromatic organic product formed from the reaction of the compound with \\(…

A: When an alkyl-substituted benzene is treated with KMnO4, the alkyl part is oxidized to carboxylic…

Q: What is the classification of the compound shown here? `H A) ester B) carboxylic acid C) ketone D)…

A: ester carboxylic acidketonealcoholaldehyde

Q: 7. Rank the following compounds in order of increasing boiling point. Ranking II OH III HO. IV LOH

A: Boiling point is defined as the temperature at which a liquid starts boiling and becomes vapor. It…

Q: The titration of 100.mL of 0.100 M NH3 (in the flask) with 0.200 M HCL (in the burette) was carried…

A: In the given scenario, we conduct a titration experiment between a weak base, ammonia (NH3), and a…

Q: If 52.6 g C4H10 (butane) reacts with 78.1 g O₂ in the following reaction, what will be the…

A:

Q: Part 1: H ملل 1. NaBH4, MeOH 2. HCI, H2O مليه

A: Given is organic reaction.Given reaction is reduction reaction.Sodium borohydride is mild reducing…

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A: Given,The reaction:

Q: Which of the following must be the same before and after a chemical reaction? 1) the number of…

A:

Q: er 7B & 8 Homework Problems FA 2 hapter 7B & 8 Homework Problems FA 23 Updated.do هم H₂, Pd 1. BH3,…

A: The first reaction is reduction of an organic compound.The second reaction is Hydroboration…

Q: Illan Learning If a buffer solution is 0.510 M in a weak acid (K, = 8.4 x 10-6) and 0.110 M in its…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.  It…

Q: KMnO4 heat H*

A: Alkyl groups on benzylic position are oxidized to carboxyic acids with either hot KMnO4 or hot…

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A: Given Friedel Crafts acylation reaction.It is electrophilic aromatic substitution reaction.In which…

Q: A 1.37 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass…

A:

Q: Question 6 of 6 Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles…

A: The balanced equation for the reaction between LiOH and CO2 is 2 LiOH + CO2 ---------> Li2CO3 +…

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A: We have to choose the correct option.

Q: Provide a line drawing of a sulfanilamide conformational isomer

A: We have to draw the isomer of the given compound.

Q: 2. Br₂ a Proton transfer b= Lewis acid/base c = Radical chain substitution 1. 2. CH₂OH conc. HBr…

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Q: Show Transcribed Text 6. Write a complete equation for its reaction with peroxyacetic acid,…

A: This is an example of epoxidation reaction in which an alkene reacts with peroxyacid to produce…

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Q: 8. A 24-hr urine specimen was diluted to exactly 2.000 L. After buffering to pH 10.0, a 50.00 mL…

A: The objective of the question is to calculate the amount of calcium and magnesium ions.The titration…

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Q: How many chiral centers are there in CH3CH2CHCICH3?

A: Chiral centre are those centre in which carbon is surrounded by four different atoms or group. So,

Q: Question 4 of 17 What is the pH of a 8.5 x 10-4 M HCIO4 solution?

A:

Q: What volume of 0.131 M HNO3, in milliliters, is required to react completely with 2.50 g of Ba(OH)2?…

A: Molarity of  = 0.131 M = 0.131 mol/LMass of  = 2.50 gVolume of  required to react completely with…

Q: 11thank u

A: A Lewis acid is a species that accepts electrons. It is positively charged or has vacant orbitals to…

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A: Information of question

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A: Acidity is defined as the ability of a molecule to release protons.  If a compound  easily donate…

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A: The enthalpy of vaporization of water is Mass of the body,   Mbody = 83.0 kg = 83.0 kg  = 83000.0 g…

Q: Draw the major organic product of the following Friedel-Crafts alkylation. (An excess of benzene is…

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Q: r Word Equati calcium chloride and Sodium carbonate will gene gar When mercury (II) oxide and

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Q: 6) Which is the organic product for the following reaction? (a) (b) (c) (d) LOH OH COOH OH OH COOH…

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Q: Draw the tautomer of this enol. Include all lone pairs. Ignore inorganic byproducts. :OH: 1 H3O+…

A: Tautomers are the isomers that have same molecular formula but different bond connectivity.

Q: What product will be produced in the following reaction? q Br a Br Br Br + HBr a Br

A: Given,The reaction:

Q: DRILL ON THE IDEAL GAS LAW Student's Name For each of the gas samples, complete the table. Be sure…

A: Given,Sample  No.Pressure    PVolume    VNumber of moles  (n)Temperature        T  Mass      g   Mw…

Q: 3.20 grams of KIO3 (RMM = 214) were dissolved in 500 cm³ water. A 25 cm³ aliquot was pipetted into a…

A: The question is based on the concept of molarity.  molarity is a method of expressing concentration…

Q: Predict the product for the following reaction To preview the image click here O A OB A Br 1 Equiv…

A: this is an addition reaction of unsaturated hydrocarbon where alkene undergoes first in the addition…

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red. 

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.