topic:  Proper Use and Calibration of the pH meter What is it necessary to rinse the pH electrode with distilled water every after pH readings? explain

Q: How are music acid crystals formed? Show equation

A: Actually it is Mucic acid and not Music acid. Mucic Acid : Mucic acid test is a test that is highly ...

Q: Give 4 applications of solubility of ionic compound in the engineering field. Kindly explain it.

A: Solution- Definition of Solubility- In chemistry, solubility refers to a material's capacity to diss...

Q: а. NH2 OMe N. EtzN, THF b. Me2N Me2N 1. LIAIH4, THF 2. H3O*, H20

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Q: A lab wishes to analyze apple juice. They would like each milliliter of titrant equal to 0.1% of mal...

A: The titrant=0.1% Volume =10ml  Equivalent weight of malic acid is 67 Normality =?

Q: Acetylene (C,H,) gas and oxygen (0,) gas react to form carbon dioxide (CO,) gas and water (H,O) vapo...

A: Given, Acetylene gas and oxygen gas reacts to form carbon dioxide gas and water vapor. Moles of C2H2...

Q: Provide the product expected from each of the reactions below. If you believe that two products will...

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Q: a. How many grams of dry NH4CI need to be added to 2.40 L of a 0.300 M solution of ammonia, NH3, to ...

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

Q: 2. Calculate the ionic strength of a solution that is (a) 0.030 M in FeSO (b) 0.30 M in FeCla and 0....

A: Ionic strength of a mixture is the sum their individual ionic strength.

Q: the new temperature of th

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Q: 1. There are three naturally occurring isotopes of silicon: Si-28, Si-29 and Si-30. If Si-28 makes u...

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Q: A certain laboratory procedure requires 0.025 M H2SO4. How many milliliters of 1.10 M H2SO4 should b...

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Q: 2. The addition of dimethylglyoxime, H;C4H6O2N2, to a solution containing nickel(ll) ion gives rise ...

A: Solution -

Q: TMS TMS Me2CuLi H Et20 Me., Me., Me Me CO2ME Ме CO,Me

A: Me2CuLi is known as Gillmann reagent.It is soft nucleophile so it undergoes 1,4 conjugate addition. ...

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used t...

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Q: Differentiate Diastereomers and Enantiomers, also cite an example for each of them.

A: Enatiomers and diastereomers are stereoisomers.

Q: ig Kin the lowest kinetic energy, select "2" next to the object with the second lowest kinetic energ...

A: Mass of car = 1600 Kg  Speed of car = 85 km/h  Changing km/h into m/s :-  Speed of car in m/s:-   = ...

Q: A solution contains 0.0100 M Co+ and 0.0300 M Ni²+ . What is the concentration of the first cation w...

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Q: If the Haber process favors the left side of the reaction in terms of equilibrium, how can you incre...

A: In Haber process, formation of NH3 takes place following the chemical equation:  N2(g) + 3H2(g) ----...

Q: For a particular redox reaction, BrO¯ is oxidized to BrO, and Cu²+ is reduced to Cu*. Complete and b...

A: Answer: Redox word is the combination of two word, reduction and oxidation, therefore, any reaction ...

Q: Submit Question 19.f of 33 Describe the structure, bonding, and properties of this organic functiona...

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Q: Give the SAR of the sulfa drug sulfamethazine

A: SAR stands for Structure-Activity Relationship. It is the most important concept in drug development...

Q: If 100 L of a gas mixture over a metropolitan area contains 0.006 Oxygen L, how many ppm of CO is pr...

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Q: 6 Answer true or false. (a) For a sample of gas at constant temperature, its pressure multiplied by ...

A: True or false ... From a,b,c,d,e options 

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 748.0 mg sample...

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Q: At the endpoint, just past the equivalence point, an excess of CI" ions imparts a positive charge to...

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Q: In the industrial production of hydrogen gas: C,Haa) + 3H,0 3CO+ 7H20) (), The rate molecular hydrog...

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Q: 1. How do the temperatures affect the change of phase of a matter? 2. What is the difference between...

A: Given, 

Q: 1. Many organic reactions approximately double their rates for each 10 °C rise in temperature. Do yo...

A: Electrophilic aromatic substitution (EAS) refers to the substitution reaction with benzene by electr...

Q: Carbon dioxide gas, CO2(g), is generated in the combustion of a sample of ethane (C2H6). This CO2 is...

A: Given statement is : Carbon dioxide gas, CO2 (g), is generated in the combustion of a sample of etha...

Q: new temperature a e correct number Dumber c

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Q: 3/5 Writing the net equation for a sequence of reactions The extraction of aluminum metal from the a...

A: Question solved below. 

Q: estion: please show the mechanism for the formation of an alkene using the Wittig reaction for this ...

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Q: The advantages of carbon nanotubes are well documented in research explain the carbon nanotube struc...

A: The structure of a carbon nanotube is formed by a layer of carbon atoms that are bonded together in ...

Q: How many molecules of oxygen gas were initially present in the reaction vessel?

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Q: What I Can Do etivity 1.6: Solve the following stoichiometry problems 1. Using the following equatio...

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

A: Given data, mass of water=0.527 g , molar mass=18 g mol-1  mass of methane = 0.48 g, molar mass of m...

Q: = new temperature c The correct number

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Q: Class the protein types in human body

A: Protein - Protein is an important part of a healthy diet. Proteins are made up of chemical 'building...

Q: Please explain the mode of action on the hair of the following temporary and permanent hair styling ...

A: Permanent waving is 2 step process where hair undergoes a physical change in which hairs are rapped ...

Q: Calculate the degree of unsaturation. Assign the relevant peaks in the IR spectrum. Assign the peaks...

A: A question based on spectroscopy that is to be accomplished.

Q: How many moles of Fe(OH)3 are produced when 85.0L of iron(IlI) sulfate at a concentration of 0.600 m...

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Q: What is Horney's theory in modern society

A: Horney's theory in modern society - Basic anxiety is a term used by psychoanalytic theorist karen Ho...

Q: standard enthalpy

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Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of com...

A: Cyclopropane reacts with oxygen to form carbon dioxide and water. The heat of combustion of cyclopro...

Q: (f) A hot-air balloon rises because hot air is less dense than cooler air. (g) For a gas sample in a...

A: Given statements are : (f). A hot-air balloon rises because hot air is less dense than cooler air.  ...

Q: 1. What is n the value of 4d6? 2. What is the ml value of 4d6? 3. What is the ms value of 4d6? 4. Wh...

A: 1. n value for 4d6    n = 4  Principal quantum number =4 Electron belongs to 4th energy level. For a...

Q: balanced equation:

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Q: What is the pH of a solution what is formed when 0.035M HCl(aq) is mixed with 0.045M HBr(aq)?

A: Given that, [HCl]= 0.035 M  [HBr]= 0.045 M  pH of the solution = ? 

Q: e new temperature of th

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Q: 14. a) Order the following elements from lowest to highest electron affinity: Si, Sn, Cl. b) State t...

A: Electron affinity is the energy released when an electron is added to the outermost shell of an atom...