Q: Crystal seeding
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Q: If 0.329 g of Fe3O4 and 0.812 g of Al are available for the following reaction: [4] 3 Fe3O4 + 8 Al →...
A: Al acts as a reducing agent in this reaction. Al can reduce the Fe from Fe3O4
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Q: Which of the following monochromator terms is NOT correctly defined? O refraction: scattering of lig...
A: Question 10 A mochromatic ( mono = single) light is a light with a single wavelength or frequency ...
Q: A stock potassium dichromate solution is prepared by placing 8.50 g of the sample in a 150-mL volume...
A: Molarity = moles of solute ÷ volume of solution (l)
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A: Sulphurous acid react potassium permagnate produced MnSO4
Q: II D The correct arrangement of figure I is: light source – monochromator – sample – photomultiplier...
A: Answer :- light source --> monochromator --> sample --> photomultiplier tube -------...
Q: PART 1: Write the half - reaction of each redox reaction and determine the oxidizing and reducing ag...
A: Redox reaction is defined as the reaction in which oxidation reduction take place or which involves ...
Q: A five-fold dilution was performed on a standard solution. The diluted solution will have a higher: ...
A: We have to tell what quantity will increase in dilution.
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Q: Question 12 All of the following are TRUE about molecular fluorescence spectroscopy, except: O A. th...
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Q: * 00 A sam ple of carbon monoxide occupies 9.03 L at 279.0 K and 701 torr. Find its volume at -15°C ...
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Q: calculate the rate constant for this reaction 2) what is the concentration of the reactants after 1....
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Q: It uses flame to atomize samples to detect traces of metals. Atomic Absorption Plasma Emission O UV-...
A: Atomic Absorption: The technique uses basically the principal that free atom(gas) generated in an a...
Q: CH3OH + H2O = ? Si(OH)4 + H2O = ? HS- + H2O =? What is the conjugate base and acid of the ff?
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Q: Question 2 What is the molar extinction coefficient if the pathlength of the sample cell is 5.6mm an...
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Q: Acid Rain Formation Acid Rain S02 NOX
A: The picture is showing acid rain Concept.
Q: Br2, hv 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O
A:
Q: First statement is true. S
A: Given that, two statements Statement 1: The compound in a multi-compartment system can be separated ...
Q: 1. Consider the reaction at 25 degrees Celsius 2NO3 iaa) + 8H ian) + 3Cu(s) → 3CU2"(aa) + 2NO(g) + 4...
A: Here we have to determine whether the above redox is spontaneous or not in the given condition of re...
Q: All of the following are classified as an instrumental method of analysis EXCEPT: A. electroanal...
A: Answer The major categories of instrumental methods are the spectra...
Q: A spot of black ink was placed on a strip of filter paper. The chromatogram was developed using an a...
A: The fastest moving spot has the highest Rf value. here we see C covered a long distance so it has h...
Q: 1. What is the [H3O-] and [OH-] ion concentration respectively in a solution that contains 0.155 M H...
A: HNO3 ---------> H+ + NO3- [H+] = [H3O+] [H+][OH-] = 10-14
Q: Consider the given liquid-vapor diagram: 375 370 365 360 355 350 345 340 0.1 02 0.8 03 04 05 0.5 0.7...
A: The given liquid-liquid phase diagram states the composition of the vapor and corresponds to the dif...
Q: In the mechanism for the following reaction, what takes place to lead to the major product? (Choose ...
A:
Q: Some measurements of the initial rate of a certain reaction are given in the table below. N2||H2|ini...
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Q: hat volume of 0.834 M KOH solution do you need to make 3.66 L of a solution with a pH of 12.400? kpr...
A:
Q: Name the given compounds. For uniformity's sake, name all the branched substituent as if naming an a...
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Q: Fer problems Use the provided dete te identify funetional groups the malecule contains end propose s...
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A: Given
Q: а. b. C. d.
A: Vitamin A also known as retinol. It is a fat soluble vitamin. It is highly essential vitamin for hum...
Q: 1. Write structural formulas for the following compounds: а. 2-chlorobutane b. 2,3-dimethylbutane 1,...
A: Answer: Structural formula is a way of representing a molecule in a way where all the atoms have bee...
Q: If 25 grams of methane, CH 4, and 30 g of ammonia, NH 3, are combined w/ excess oxygen, when the rea...
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Q: What is the concentration of the undiluted KMNO4 solution? O 1.6872 g/L O 0.4872 g/L O 6.872 g/L 0.6...
A:
Q: What is the concentration of the undiluted KMNO4 solution? O 1.6872 g/L O 0.4872 g/L O 6.872 g/L 0.6...
A: Given
Q: Three resonance structures of the given anion are possible. One is given, but it is incomplete. Comp...
A: Resonance structure: There are many organic molecule which exhibit different structures because thei...
Q: II B C D What is the design of figure Il? double beam spectrophotometer diode array spectrophotomete...
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Q: The heat of formation at 25oC of liquid acetone, CH3C(O)CH3(l) is -247.5 kJ/mol. Which of the follow...
A: Here we are required to find the equation which would represent the heat of formation of acetone
Q: Test Content Question 1 What is the molar change in enthalpy for a temperature increase from 273K to...
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Q: Question 6 A five-fold dilution was performed on a standard solution. The diluted solution will have...
A: Answer A five fold was performed on a standard solution. The dil...
Q: Consider the following system at equilibrium where AH° = -10.4 kJ, and K. 55.6, at 698 K. %3D H2(9) ...
A: Given: Kc for the reaction = 55.6
Q: Question 26 Using the figure below, match the name of the parts of UV-Vis Spectrophotometer with the...
A: UV-VIS spectroscopy use for detection of electronic transitions of molecules. It is considered for c...
Q: What is the chemical formula for ferric ferrocyanide? Please explain how you got the answer
A: In Ferric ferrocyanide there is a presence of Fe3+ and [Fe(CN)6]4- ions. The possible formula writt...
Q: II в D Which part in the figure can be a grating or prism? O A
A: Prism or grating is used in an experiment for dispersion and controlling the direction of light with...
Q: Here is a schematic of the Joule- Thomson experiment: a) Is Pi= P2, P,< P2, or Pi P2? P,V.T Porous p...
A: In the Joule-Thomson experiment, the gas is allowed to pass through the porous plug under adiabatic ...
Q: Which of the following is the most correct name for this compound? HO a. 2-hydroxy-2-methylnonane di...
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Q: Which part in the figure can be a grating or prism? A B C D
A: instruments for analyzing light and for determining the identity and structure of materials that emi...
Q: Calculate the activity of Lat3 and IO3-, in a saturated solution of La(IO3)3 in a) water, b)0.010 M ...
A: a) In water, La(IO3)3 dissociates as: La(IO3)3→La3++3IO3-
Q: A solution containing two different fluorescent compounds, Ben and Jerry, were analyzed for their in...
A: As per Beer-Lambert's law: A=εbcwhere,A=absorbanceε=Molar absorptivity (in mM-1. cm-1)b=Path length=...
Q: Name the given compounds. For uniformity's sake, name all the branched substituent as if naming an a...
A:
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- Wrong (L) - calculator- Google Search d/1PrqdNDx-hBYyzKo-xfiM9-Jlq7EAaWe3GBt t3U3jDo/edit Calculator O A Land of Permane... t edit was seconds ago I U A 三| 扫 E▼ 三▼ 4 Fe + 30, - 2 Fe,0, 4. What volume (liters) of O, is required to react with 1.7 moles of Fe? 1.7 moles Fe 1 mole O. 224 LO, 4 moles Fe 1 mole O. * How many meles of iron would have to reacr to produce 35moles of tron ) oxide"1. + 2.O Course Home b Chemistry Question | bartleby + O X -> A openvellum.ecollege.com/course.html?courseld=16561285&OpenVellumHMAC=Ddd25775cc7b85cec3204f753df519590#10001 Q * E Apps YouTube O Maps E Connect - To Do As... O ocCC Moodle P chem work b help A Balance Chemical E. Gmail CHEM-1123-EW40S Late Spring 2021 Hi, ashlee v Sign Out Help Mastering Chemistry Course Home O My Courses Syllabus Part A Scores Classify these amino acids as acidic, basic, neutral polar, or neutral nonpolar. еТext Drag each item to the appropriate bin. Document Sharing • View Available Hint(s) User Settings Reset Help NH2 c=NH2 NH CH2 CH2 CH2 H,N-C-coo Course Tools > CH, CH, CH NH2 NH2 CH2 CH2 CH, CH2 CH3 CH3 HN-C-coo H,N-C-coo HN-C-coo H,Ñ-c-coo H. H. H. Asparagine Glutamine Arginine Leucine Alanine Acidic Basic Neutral polar Neutral nonpolar 10:59 PM P Type here to search 99 3/10/2021
- Q3:- (A)1-Write the Tafel equation define the mathematical terms in the equation fully. 2- What Tafel device components with drawing? density of 86 BY: Phrring co 12 me. for stodWhat is the boiling point of the unknown substance Xin K(Kelvin)? X(t) = X(g) AH-(kJ mol1) S°J mol1K1) X(g) -82.0 238 | X({) | -101 144 Express your answer in decimal notation rounded to three significant figures.351145 TECHNO Define fundamental unit with an example. Why is the unit of force called a derived unit? ic a derived unit? Give its two examples. measurement Dats : D Graphite and iodine a y shine. Explain it with suitable yeasons. Graphite and are non-metals but the iodine are non- metals but REDMI NOTE 10 PRO KBYLWHARNA THAPA A chemical propertie39/99/2021 17:36