what is the purpose of these materials in a eudiometer setup experiment deionized water small piece of zinc hydrochloric acid

Q: Write the net ionic equation for the following molecular equation. Cr2(SO4)3(aq)  +  2(NH4)3PO4(aq...

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Q: Calculate the pH during the titration of 25.00 mL of 0.1000 M HCN(aq) with 0.1000 M KOH(aq) after 5....

A: This question belongs to Ionic Equilibrium. First we will calculate the mmols of acids titrated with...

Q: Consider the compound C5H9B (Compound X). It reacts with potassium tert-butoxide to give Compound Y,...

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Q: Question 3 Consider the following reaction, which is initially at equilibrium. What happens when HX ...

A: given equilibrium reaction,  HX(aq) ⇔ H+(aq) + X-(aq)  

Q: 4. Calculate gas compressibility factors and densities of a 0.65-specific gravity gas at 150 F and 5...

A: _

Q: Enhancer 1 A solution of NaCl and water saturated rhen 29.25 g of NaCl has been dissolved in 100 mL ...

A: The concentration of the NaCl solution is = 29.25 g of NaCl dissolved in 100 mL The density of water...

Q: Nitrogen dioxide is one of the many oxides of nitrogen (often collectively called "NOx") that are of...

A: First calculate the value of Kp using the set of first equilibrium conditions and then use this Kp v...

Q: "Synthesis gas" is a mixture of carbon monoxide and water vapor. At high temperature synthesis gas w...

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Q: A mixture of nitrogen and hydrogen gas is compressed from a volume of 97.0 L to a volume of 39.0 L, ...

A: The work done on the gas mixture can be calculated as follows

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: The sign convention for heat flow are as follows: When the heat flows into the system, a positive si...

Q: 1. (a) What is the purpose of titration in volumetric analysis, and briefly explain how is it carrie...

A: As per the bartleby guidelines we solved the first three parts of the given question. Analyte: A sub...

Q: A standard galvanic cell is constructed in which a Cu2+ | Cu half cell acts as the cathode. Which of...

A: The correct statement about galvanic cell is given below

Q: Show a possible mechanism for the following reaction CN CO,Me CN.

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Q: A certain liquid X has a normal freezing point of -4.10 °C and a freezing point depression constant ...

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Q: A mixture of krypton and argon gas is expanded from a volume of 57.0 L to a volume of 98.0 L, while ...

A: When a gas expands the work will be done by the gas on the surrounding. When the work is done by the...

Q: What are the generic products of a neutralization reaction?

A: Chemical reaction is the process in which elements or molecules combine with each other chemically a...

Q: Given the reaction: 4 Fe(s) + 302(g) → 2 Fe203(s) A H= -1652 kJ, what is the enthalpy change when 1....

A: for a given reaction, 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) enthalpy change, Δ H = -1652 KJ

Q: A chef in Denver (the mile high city) and a chef in Tampa (sea level city) make the same recipe but ...

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Q: The pKb of ammonia is 4.74.  Ksp of Mg(OH)2 is 5.6 x 10-12  If one 100 mL 0.1 M MgCl2 to 100 mL 0.1M...

A: pKb of ammonia  =  4.74  

Q: To make a buffer from a mixture of HF and NaF that has a pH = 3.35 what must the ratio of (F^-/HF) b...

A: a buffer of a weak acid and its conjugate base, HF and NaF. given, pH = 3.35 Ka = 7.2 x 10-4

Q: What is the energy, in ev, per co2 molecule relased from ethanol with a 52.22 kJ/g calorfic value

A: The answer is as follows:  

Q: The monohydrogen phosphate ion HPO3-2 has a Pka of 12. One could best describe this ion as a a) very...

A: Given :- pKa for HPO3-2 = 12  To identify :- nature of ion i.e.  a) very strong acid   or b)   moder...

Q: hixture of nitrogen and neon gas is expanded from a volume of 27.0 L to a volume of 50.0 L, while th...

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Q: A virus has a mass of 9.0 x 10 12 mg and an oil tanker has a mass of 3.0 × 10´ kg. Use this informat...

A: Mass of virus = 9.0× 10^-12 mg Mass of tanker = 3.0× 10^7 kg    

Q: CH2 CH2 ċ-OCH3 1. "ОСH; (m) 2. HСI ČH2 CH2-C-OCH3 `CH2

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Q: The compound ammonium sulfate is a strong electrolyte. Write the reaction when solid ammonium sulfat...

A: A strong electrolyte completely ionizes in water.

Q: Indicate whether each of the following compounds dissolves in water to give ions, molecules, or both...

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Q: Calculating kinetic energy Calculate the kinetic energy of a 569. kg roller-coaster car moving at a ...

A: Mass of roller-coaster car = 569.0 kg  Speed of car = 26.0 m/s 

Q: Calculate the pH during the titration of 40.0 mL of 0.25 M HI with 0.25 M RbOH after 38.28 mL of the...

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Q: 2. Draw the optical isomers of CH3-CHOH-CHOH-CH3 . INDICATE the absolute configuration of each chira...

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Q: You need to make 100 mL of a 2.5% dextrose solution for a hypoglycemic kitten using the 50% stock so...

A: Given that, V1=100 ml, %solution of 1=2.5 %  V2= ? , % solution of 2 =50%   

Q: NEEDED ON A CLEAN SHEET OF PAPER. I CLASSIFY THE COMPOUND AS TO FUNCTIONAL GROUP AND NAME ENDING COM...

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Q: 8. The pH at one-half of the equivalence point in a weak acid – strong base titration was determined...

A: Given,  pH at one-half of the equivalence point in a weak acid-strong base titration = 4.13  What is...

Q: What is the 8 step synthesis for Ibuprofen? Please show a total of 8 steps only.

A: The objective of the question is to write the 8step synthesis of ibuprofen.

Q: For the following reaction, 126 grams of silver nitrate are allowed to react with 27.9 grams of copp...

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Q: a) Please draw a reasonable 'H NMR spectrum for the following molecule. HO

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Q: Draw the organometallic reagent with all covalent bonds. There are two ways this target molecule cou...

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Q: 4F" + 2NO2¯+ 3H20→N20 + 2F2+ 60H¯ 2B + 3NO3¯+ H20+ 20H"- →2H2BO3¯ + 3NC In the above reaction, the o...

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Q: Give the formula for the following compounds. a. diphosphorus tetrafluoride b. sulfur dichloride C. ...

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Q: A gaseous compound has a density of 1.68 g/L at 21.2 °C and 1.30 atm. What is the molar mass of the ...

A: Density=1.68g/L  Pressure=1.30 atm T= 21.2°C = 21.2 + 273 =294.2 K    

Q: What is its solubility of Ca(OH), in 0.20 M Ca(NO,)2? Kap of Ca(OH), is 6.5x104.

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Q: Gaseous ethane (CH,CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (Co,) ...

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Q: your work to receive credit for your answer. Examples and equations may be included in your answers ...

A: Given Reaction:-  PbI2(s) <-------> Pb+2(aq) + 2I-(aq)  Let the solubility of PbI2 is S mol/L....

Q: Which of these base definitions requires OH-. A)  Arrhenius only   b)  Arrhenius and Bronsted   c)  ...

A: There are various concepts of acids and bases :-  Arrhenius concept  Brønsted-Lowry concept  Lewis ...

Q: Provide an explanation without using the pka values : Why is phenol stronger acid than butanoic acid...

A: An acid is stronger than the other acid if it's anion is stronger than the anion of the other acid.

Q: Identify the best reagents to complete the following reaction. OH

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Q: What does acid do to marble (calcium carbonate)?

A: Calcium carbonate in marble would react with acid to form salt and water. so marble would be eaten (...

Q: Write the chemical equation for the solution of calcium hydroxide in water.

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Q: 1. What is the effect on the computed molarity of KMNO4 if you stop titrating when the titrate solut...

A: Titration of oxalic with KMnO4 is an example of redox reaction with permanent pink colour as the end...

Q: 13F - NMR 'H, Bip Comment on the and HP Fz cconcidering Jp-F > Iecn', Tpmn Y

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