Write measurement of Carbon dioxide evolution during respiration of germinating seeds by the Titration method

Q: Write the Ksp expression for the sparingly soluble compound lead carbonate, P6CO3. If either the…

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Q: Define the term selective precipitation?

A: Given term,           Selective precipitation

Q: A water sample was tested for BOD5, which was determined to be 50 mg/L. Which of the description is…

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Q: Please write the balanced chemical equations on the observations of heating NaHCO3 and bubbling the…

A: Sodium bicarbonate on heating decomposes into sodium carbonate,water and carbon dioxide.  Ca(OH)2 ,…

Q: How do we express the independent variable in Kolrausch plot? Concentration Natural logarithm of…

A: Kholraush law states that at infinite dilution, each ion (cation and anion) independently migrate…

Q: 18. What is the term for the most stable product of decomposition of plant and animal residue which…

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Q: Write a chemical equation that describes the attack of acid rain on limestone, CaCO3

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Q: During the experiment the saturated solution of Ca(OH) is covered because the CO2 of the environment…

A: Given is the experimental set up of saturated solution of Ca(OH)2 , it is covered because…

Q: calculate the number of moles of sodium thiosulphate (vi) needed to react with iodine liberated…

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Q: LPG with bromine  Get one tube containing LPG and quickly add a few drops of bromine  Replace the…

A: LPG gas is liquefied petroleum gas, it is mainly composed of propane and butane (C3H8 and C4H10).…

Q: the solubility product equilibrium and the solubility product constant expression for barium…

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Q: What is the secondary interaction betw heat? By changes in pH?

A: This question belongs to Biomolecules.

Q: Write the balanced chemical equation that describes the solubility of ammonia in water.

A: Ammonia dissolves in water by reacting with the water.

Q: when hydorgen sulfide gas is bubbled through a solution of lead (II) nitrate, a black precipitate of…

A: Yes it is a double displacement reaction i.e precipitation reaction in whic black ppt of PbS is…

Q: A saturated solution of calcium phosphate has [Ca2*] = 1.5 x 10-6 M and [PO431= = 1.0 x 106 M. What…

A: Given, [Ca2+] = 1.5 x 10-6  [PO4]3- = 1.0 x 10-6  Solubility product describes the equilibrium…

Q: Calcuate the analytical concentration of a 1:1 dilution of concentrated ammonium hydroxide

A: Let the volume of the concentrated ammonium hydroxide solution be 'V'.

Q: For each of the following ionic compounds, state  (i) whether the solubility will increase, decrease…

A: The solubility of a compound varies with the acidity of the solution.

Q: we are making a serial dilution of HCl and NaOH; what does this mean?

A: Serial dilution is a process in which the acid or base or any other solute is diluted multiple times…

Q: Write the equations for the disassociation of the following salts. Nickel (II) Acetate

A: Dissociation equation for the nickel (II) acetate = ?

Q: Write the Kgp expression for the sparingly soluble compound iron(II) sulfide, FeS. If either the…

A: The considered compound is iron(II) sulfide (FeS).

Q: In titration, what solution is placed inside the burette? Group of answer choices stock solution…

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Q: The presence of bicarbonate ion is classified as………………………. hardness but the presence of ions, such…

A: Hardness is classified into two types  Temporary hardness Permanent hardness

Q: OH + HqO OH OH OH но OH HO OH OH OH OH OH

A: The reaction is the type of hydrolysis. First oxygen abstract the proton from the water then…

Q: Why Does The Addition Of Acid Increase The Solubility Of Calcium Phosphate?

A: Given Addition of acid to calcium phosphate

Q: Electric bulb Y - Dilute sulphuric acid

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Q: what is the balanced hydration equation (with physical states) of thallium chloride

A: Here we are required to state the balanced hydration equation of thallium chloride.

Q: Samples of acid rain are brought to a laboratory for analysis Souorol tit

A: The addition of more solvent into the concentrated solution is called dilution. In this, the amount…

Q: the equilibrium equation when ZnS is dissolved in water. Write the corresponding Ksp expression when…

A: Ksp or solubility product of a sparingly soluble salt is the product of concentration of the…

Q: Explain the structural effects on the solubility of organic compounds.   Why are liquid organic…

A: Solubility can be described as mixing or blending of two substance that may or may not be in same…

Q: Explain why benzocaine precipitates during the neutralization.

A: Under acidic conditions, the amine group on benzocaine is protonated. This introduces a positive…

Q: Write the equilibrium-constant expression Kc for Cd2+(aq) + 4 Br-(aq) => [CdBr4]2-(aq).

A: The equilibrium constant (Kc) is the ratio of the equilibrium concentrations of products over the…

Q: list the apparatus involved in volumetric or titrimetric analysis

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Q: Write the reaction involved when ascorbic acid is titrated with: Iodine Dichloro-indophenol solution

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Q: What is the reason for returning the calcium carbonate precipitate to the oven until it reaches a…

A: When calcium carbonate is heated at a high temperature ( nearly 840oC) it gets decomposed into…

Q: Which type of indicator is used in bromatometry: irreversible Red/Ox indicator; adsorption…

A: Option 3 is the correct Choice.  Bromatometry falls in the class of redox titration.

Q: This is the amount of solute (in grams) required to make a liter of saturated solution Solubility…

A: The definition of Solubility, degree to which a substance dissolves in a solvent to make a solution.…

Q: __________ is a substance which is added to the reaction mixture and changes color at the…

A: Indicator is a substance which is added to the reaction mixture and change colour at equivalence…

Q: Which one of the following is NOT a source of error during a titration? Group of answer choices…

A: Given : Titration analysis.  To find : which does not source of error.  Solution : As we know that,…

Q: Which of these acts as a buffer in embalming fluids?     sodium lauryl sulfate     EDTA…

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Q: whether the following expressions for the solubility product of the given compounds are true or…

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Q: Summarize the application of qualitative chemistry in refining crude oil

A: Given Summarize the application of qualitative chemistry in refining crude oil

Q: Write a chemical equation for the dissolution of mercury(I)chloride in water, and give its…

A: Mercury(I) chloride dissolves in water to form ions. Write the complete reaction.…

Q: Write and balance the reaction of calcium carbonate with stomach acid. Include states or phases.…

A: Calcium carbonate is CaCO3 and HCl is known as stomach acid .So calcium carbonate reacts with HCl to…

Q: Given the table below, identify Sample D? Sample A Sample B Sample C Sample D Solubility in H20…

A: Alkane are immisible in water  They show negative unsaturated test.  They show non sooty flame

Q: Define the term Solubility Product Constant?

A: Solubility is defined as a property of a substance called solute to get dissolved in a solvent in…

Q: Explain how the bicarbonate and phosphate buffer systems resist pH changes.

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: Which type of indicator is used in iodometry adsorption indicator; irreversible Red/Ox indicator;…

A: in iodometry, we use the starch as an indicator.

Q: What is the application of qualitative chemistry in refining crude oil.

A: Given What is the application of qualitative chemistry in refining crude oil.

Q: Write the Ksp expression for the sparingly soluble compound lead iodide, PbI2. Ksp

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Q: What is the pH of a buffer made from equimolar amounts of sodium monohydrogen and sodium digydrogen…

A: Given : Buffer made from equimolar amounts of sodium monohydrogen i.e Na2HPO4 and sodium digydrogen…