What is the importance of paper chromotography?  What is the usage of paper chromotography in the food industry? Who invented paper chromotography

Q: Determine the ground term symbols of a.) Mn b.) Mg* c.) V³* d.) 0²- e.) Cu* f.) 3+

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Q: What is the osmotic pressure (in atm) of a 0.015 M calcium chloride solution at 28 °C? O 0.4 O 0.7 O...

A: Given, Concentration of calcium chloride solution (C) = 0.015 M = 0.015 mol/L Temperature (T) = 28°C...

Q: ADDITIONAL INFORMATION. PLEASE 2 AND 3. Please show the balance equation and identify which reaction...

A: Oxidation is loss of electrons Reduction is gain of electrons Oxidizing agent is a substance which c...

Q: What is the equilibrium constant for the following reaction equal to? H+(aq) + OH−(aq) ⇌ H2O(l) Gr...

A: The equilibrium reaction given is, => H+(aq) + OH−(aq) ⇌ H2O(l)  

Q: V. Choose which term refers to each statement in numbers 1 to 8. A. surface tension B. viscosity C. ...

A: With reference to the given property of different states of matter they have these properties which ...

Q: Steps in mostly used in the content area you are assigned. Scientific method is a systematic process...

A: Ans. Steps in Scientific Method mostly used in the area of Chemistry: When conducting research, scie...

Q: mass

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Q: H2 (gas) + Claigas) 2HClgas) is found to be EXOTHERMIC and have a K,9 - 3.2x10 at 370 K What would ...

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Q: Propose an efficient synthesis for the following transformation: The transformation above can be per...

A: The reaction given is,  

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.26 kg sample ...

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Q: For the following compounds, draw Lewis structure, including all electron pairs and necessary resona...

A: Here we have to write Lewis structures of the following multi centerd elctron deficient boranes. Her...

Q: e the attracti orce described and ar Figure 1 H H H H---N:---H---N: H--N:---H ---O: H H H --D 00 B -...

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Q: oxygen atoms

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Q: FAlpOLSdkkcb8p7Lki9hSE-PEqyqO02a33Gom9YvugXu6b5uYkOPEUw/formResponse plify ern. Karely 1. Serena mix...

A: Which of the diagrams to the right shows the repeating groups of atoms that make up samples Serena m...

Q: Write the structure(s) of the product(s) for each of the reactions below. Draw them on a separate sh...

A: The reaction is known as diels alder reaction. This is also called as [4+2]cycloaddition reaction, b...

Q: write the electron configuration (complete and shorthand) and draw the orbital diagram of the follow...

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Q: Calculate the folowing   1-number of atoms in 6.54 g Be =37 x 1023 atoms 2-number of atoms in 28.0...

A: Number of Moles = (Mass of the Sample)/(Molar Mass)   Number of Atoms or Molecules = (Number of Mole...

Q: Acids are common catalysts for many biochemical reactions. The following 3-step mechanism has been p...

A: Slow step is always at the rate determining step in a multi step mechanism. Rate law and the Order o...

Q: What is the solubility-product expression for La(IO3)3 (s)?     A. Ksp = [La3+] [IO3-]1/3 B. Ksp = ...

A: To determine the solubility-product expression for La(IO3)3(s) .Solubility equilibrium is a type of ...

Q: 1. Which of the following elements would you expect to behave most like magnesium? A) Sodium B) Calc...

A: Since you have posted multiple questions, we will solve only first question for you. If you want rem...

Q: X. Identify the type of solid in the following groups. 1. iron filings, magnesium ribbon, pure silve...

A: There are 4 kind of solids - molecular solid, ionic solid, covalent network solid and metallic solid...

Q: 5. What is the empirical formula and the empirical formula mass for each of the following compounds:...

A: Since there are two questions so I am solving question number 5 if you want to solve question number...

Q: Change in pH = b 0.0680 M HCI. Change in pH = C 0.0680 M NAOH. Change in pH =

A: PH = -log [H+] Where [H+]= concentration of H+ POH= 14- PH Strong base and strong acid completely di...

Q: H- KMN04 OH-

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Q: 4. Show the steps necessary, in order, to make each of the following compounds. Start with benzene, ...

A: Benzene is an aromatic compound and gives electrophilic substitution reaction. 

Q: Suppose a 250. mL flask is filled with 0.20 mol of H, and 0.40 mol of HI. The following reaction bec...

A: Answer: In this question we have use the equilibrium constant expression to find out the amount of H...

Q: Previous Answers A solid mixture consists of 25.5 g of KNO, (potassium nitrate) and 4.5 g of K,SO, (...

A: Initially we have taken 25.5 g of solid KNO3 in which we dissolve them and we then check the gram to...

Q: 1.Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C2H6O) in ...

A:   Since you have asked multiple question, we will solve the first question for you. If you want any ...

Q: The concentration of sodium chloride in blood serum is roughly 0.17 molar concentration. What is the...

A: In this question only use the formula of molarity. Molarity is defined as the moles of a solute per ...

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

A: Exothermic reaction: The chemical reaction in which heat energy is released. Endothermic reaction: T...

Q: Can help me figure out what compounds on from the written on the NMR wave number graph please

A: The structure of an unknown molecule can be determined by analyzing the spectroscopical results such...

Q: Calculate the mass of octane, C8H18 (l) , that must be burned in air to evolve the same quantity of ...

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Q: decreased blood volume

A: This is a multiple questions. According to guidelines in multiple questions, we can solve only two s...

Q: How many grams of the following oxidizing substances constitute the gram milliequivalent weight each...

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Q: 1. Using the periodic table, complete the table below by providin the following a.) total number of ...

A: For solving this question we have to write electronic configuration.

Q: Draw the following compounds and please provide a clear picture C-2 epimer of ribose

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Q: 1. People who live in colder climates have seen the trucks put or sprinkle salt on the roads when sn...

A: Since you have posted multiple questions, we can answer only the first question according to the Bar...

Q: Ammonium perchlorate (NH,CIO4) is a powerful solid rocket fuel, used in the Space Shuttle boosters. ...

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Q: The number of atoms in a face-centered cubic unit cell is Multiple Choice 8. 4. 1.

A: Answer: Smallest unit of a solid crystal, by the continuous repetition of whom, the lattice structur...

Q: A major component of gasoline is octane (CH8). When octane is burned in air, it chemically reacts wi...

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Q: Consider the following data on some weak acids and weak bases: acid base Ka K, name formula formula ...

A: The solutions given are of KCl, CH3NH3Cl, NaCN and C2H5NH3Br.  

Q: At a particular temperature, 9.0 moles of NO2 is placed into a 1.0-L container and the NO2 dissociat...

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Q: 23. Write formulas and names for compounds formed from the following metal ions and polyatomic ions....

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Q: From the given information in the table, calculate: 1)qcontent(J) for part A and B 2) qrxn (J) for p...

A: Given: Note: Standard enthalpy of formation of NH3(g) = -46 kJ/mol but in question given as -80.2 k...

Q: Chemical Kinetics. The following mechanism has been proposed for the gasphase reaction of chloroform...

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Q: Calculate AS° for the unbalanced chemical reaction given below: + Cuo (s) - -Cu (s) + _H20O 5. _H2 9...

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Q: 69. Carbon reacts with water vapor at elevated temperatures. C(s) + H2O(g) = CO(g)+H2(g) Ke = 0.2 at...

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Q: 1. Cows on a farm sometimes end up eating little pieces of metal, like tacks or little scraps of bar...

A: Delta S is a measure of change in entropy of a system.  Delta H is a measure of change in energy of ...

Q: Propose a synthesis of the following compound starting from benzene, and 1, 2, or 3 carbon alcohols ...

A: Here we have to synthesize the following given compounds from starting material benzene and 1,2 or 3...

Q: A 70.0 gram metal bar is heated to 256 celsius then submerged into a well insulated calorimeter whic...

A: Given mass of metal bar Mb = 70g  Mass of water Mw = 50g  Complete solution is given below in next s...