80- 60- 6T 40- 20- C,H,N 0- 3000 v / cm' 2000 4000 1000 692.914 -753.355 880.905 995.875 -1027.24 1153 87 -1175.03 -1276.9 1311.52 -1466 83 4498.95 -1601.7 1620.81 -3036.6 -3213.75 -3354.98 -3431.88

Q: A 3.75-g sample of calcium carbonate was dissolve using 6 M HCI, and diluted with water to 500 mL. A…

A:

Q: OO O O O A 25.0-ml sample of 0.175 M C2H5NH2 is titrated with 0.150 M HCI. What is the pH at the…

A: Given,  Molarity of C2H5NH2 = 0.175 M  Volume of C2H5NH2 in mL = 25.0 mL  Molarity of HCl = 0.150 M…

Q: High performance liquid chromatography can separate eluates even if they are not present in the UV…

A: Here, we need to compare HPLC and UV detection techniques.

Q: Solvent 1.9 0.9 0.9 1.0 75 7.0 1.9 0.9 9.2 0.9 1.0 2.0

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Q: pH pOH 4.2 x 105 A В C 6.8 x 107 E F G 9.54 K L 8.13 ND OFF ANSWERS TO FOUR (4) SIG FIGS. NO NEED…

A: From the formula, pH + pOH = 14 pH = -log([H+]) pOH = -log([OH-)] [H+] = 10-pH [OH-] = 10-pOH

Q: Where do ions in soil come from? (A organic matter B rain weathering of parent material D all of the…

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Q: Sources of Error Determine the relationship between the observed/apparent value (EX) VERSUS that of…

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Q: https://pasteboard.co/0afMgF1vi1jX.png

A: The distribution coefficient (D) is defined as the ratio of concentrations of a compound partitioned…

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Q: What is the class of organic compound that is produced when a carboxylic acio derivative undergoes…

A: The class of organic compounds that is produced when a carboxylic acid derivatives undergoes…

Q: Arrange the following sets of organic compounds according to Increasing solubility in NaOH 1.…

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Q: 6. For each numbered step in the qualitative analysis scheme in number 5 above, type all net ionic…

A: When we are constructing net ionic equations, we have to keep few points in our mind: Only salts in…

Q: Which of the statements about precipitation reaction is correct? It is a method that can be used…

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

Q: The specific heat of nickel is 0.444 J/g 0C. If 50 J of heat is added to 32.3 g sample of nickel at…

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Q: Indicate which of the two filtration techniques, gravity ( G ) or vacuum ( V ), is suitable for each…

A: Given operations are  a) Hot filtration b) Removal of decolourising carbon  c) Isolation of…

Q: Calculate for the average %moisture content of the granola bar.

A: We know, %moisture content (Wet basis) Mw =(wet weight-dry weight)wet weight×100 Replicate-1: %Mw…

Q: Compute for the water activity of a bottled beef rendang containing 15g salt and 275g of water.…

A: Assuming the solution to be ideal, the water activity is equal to the mole fraction of water in the…

Q: Molecular weight of disodium ethylenediaminetetraacetate is 292. The weight in grams is 4.803 to…

A: Given that -  Weight of disodium ethylene diamine Tetra Acetate = 4.808  Molar mass = 292  Molarity…

Q: What is the %composition of the Vitamin A peak in the sample? O 7.867% 77.73% O 78.43% O 72.74%

A: To calculate % composition of vitamin A in the sample.

Q: QUESTION 25 Which of the following molecules best describes the IR spectrum given with a molecular…

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Q: Round all your Final Answers to 3 significant digits 1. Consider the following equilibrium system at…

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A: A question based on properties of solids that is to be accomplished.

Q: The reaction N204(g) = 2NO2(g) has a K, = 0.140 at 25 °C. In a reaction vessel containing the gases…

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Q: Talble li Voltai Calle Metale terted Metal at Metalat Eseli () Edel V) Anoho Cathode Cell 1.Zn°IZn…

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Q: Tertiary alcohol has its hydroxyl group attached to the carbon atom that is connected to 4 alkyl…

A: Given statement is false.

Q: lling liquid having a boiling point of 101°C was subjected to IR Spectroscopy to determine termine…

A: Solution: For any organic compound we can find the structure from the spectroscopic information…

Q: The equilibrium constant, K,, for the following reaction is 2.74 at 1.15x103K. 2503(g) 2s02(9) +…

A: Equilibrium constant ( Kp ) is the ratio of partial pressure of products to partial pressure of…

Q: Based on the HYDROCARBONS TABLE below, answer the following questions accordingly. All hydrocarbons…

A: Aromatic - benzene and benzene like chemical property show Unsaturated- contains double or triple…

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Q: Which of the following molecules best describes the IR spectrum given with a molecular formula of…

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Q: 7. Assume that each of the following atoms reacts with ,hydrogen: (i) boron; (ii) silicon; (iii)…

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

Q: Write the equilibrium constant expression, K, for the following reaction. Please enter the compounds…

A: Equilibrium constant stablishes the relation between product and reactant....

Q: How many mL of 6.00 ppm solution are needed to make 4.00 L of a 0.100 ppm solution ? (answer = 66.7…

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Q: 3. For the following reaction: 2HI +> Hz + 2 K. = 0.0025 at 800.0 K Assuming you start with 8.00…

A: Given, [H2] = [I2] = 8.00 moles in 2.00 L vessel. Kc = 0.0025 at 800 K

Q: Question 20 If a non-polar mobile phase is used in a non-polar stationary phase, the polar…

A: In chromatography separation of organic compounds the compounds are separated based on preferential…

Q: determine the value of Ksp for Zn3(PO4)2 by constructing an ICE table.

A: Let molar solubility of Zn3(PO4)2 is equal to " s" mol/ liter.....

Q: Calculate the pH of a buffer solution consists of 0.10 M acetic acid and 0.15 M sodium acetate.…

A: Given,  Molarity of CH3COOH = 0.10 M  Molarity of CH3COONa = 0.15 M  Molarity of HCl added = 0.02M…

Q: Which of the following substances exerts the highest pressure at a tem Justify your answer.…

A: Given that -  Temperature = 273 K  Volume of one mole Hydrogen gas = 20.0 L  Volume of one oxygen…

Q: 28-31. Supply the missing value. n 1.55 1.65 1.70 1.80 ??? 1.62 Conc. 10% 15% 25% 35% 22% ???…

A: A question base on analytical process that is to be accomplished.

Q: Given that the mobile phase conditions of the experiment use a 70% acetonitrile:30% methanol mixture…

A: Given the mobile phase conditions of the experiment which use a 70% acetonitrile:30% methanol…

Q: Based on nuclear stability, what is the symbol for the most likely product nuclide when nitrogen-13…

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Q: If the chromatogram was developed from reverse phase conditions, which of the following amino acids…

A: The reversed-phase conditions in chromatography indicates the hybrophobic stationary phase and…

Q: How many gallons of octane, C3H18. having a density of 0.703 g/cm?, would have to be burned to…

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Q: Balance the following equation: - - > 4He + X 8Be 4

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Q: Concentration of F2 at equilibrium - Concentration of H2 at equilibrium -

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Q: Based from the electrochemical series of metals, what are the implications if a metal has a very…

A: Here we have to write implications if a metal have very negative redox potential.

Q: A student wants to prepare a standard solution of BSA. They create a stock solution of BSA by add…

A: Concentration of stock solution=0.174 g10 mL=0.0174 g/mL

Q: ,) A gas sample occupies a volume of 20.0L at 25°C and 760 torr. At what temperature in °C will the…

A: