If a column was run on the sample shown in lane 3, what would be the first compound to elute off of the column? (assume the same solvent and stationary phase are used) Which of the lanes on this TLC plate show pure compounds? Select all that apply.

Q: Draw the major product of this reaction. Ignore inorganic byproducts. Na2Cr2O7 H2SO4, H2O Select to…

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Q: ____ are added to protect condensate lines. a) amines b) phosphates c) sodium sulfate d) zeolites

A: Please find your solution below : Condensate lines are the lines mainly made of polyvinyl chloride…

Q: Two solutions, A and B, are labeled "0.14 M CaCl2" and "0.42 M CaCl2", respectively. Both solutions…

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Q: ted in the periodic table. 2. Write the series of radioactive decay and identify the final stable…

A: Alpha decay, beta decay and gamma decay.  Each steps given below,

Q: Question 9 AC 2.5 (1) The halogens can all act as oxidising agents. What is an oxidising agent? (ii)…

A: Oxidising agent, reducing agent ; these are the terms from redox reaction.

Q: The model explains why a reaction proceeds faster if the concentrations of the reacting molecules…

A: According to the collision theory, the reactant molecules should undergo collision for the formation…

Q: Calculate the solubility for Ag2SO4 in 0.44 mol/kg NaCl solution at 25°C, given its solubility…

A: Given in following question a reaction of a sulphuric

Q: The maximum energy needed for a reaction to occur is called the activation energy. Is this statement…

A: To solve this problem we have to know about activation energy .

Q: Which is the correct Geometry and Hybridization of XeF4? (a) Octahedral, sp3d2 (b) Square planar,…

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Q: A) Draw the products for the following reactions: CH₂-0- CH 0- CH₂-C 0 (CH₂) 12-CH₂ -CH3 HH??-??-2…

A: Triglycerides (fats) can be hydrolysed to produce glycerol and three fatty acids.

Q: A gas occupies a volume of 333 mL at 19 degrees Celsius. What is the temperature of the gas if the…

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Q: Give a clear handwritten answer with explanation

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Q: For the reaction below at a particular temperature, the concentrations at equilibrium were observed…

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: Determine the pressure exerted by 2.10 mol of gas in a 2.92-L container at 32°C.

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Q: The normal boiling point of benzene is 80.1oC. What is the vapor pressure of benzene at 30.0oC? The…

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Q: The value of Keq for the equilibrium H₂ (g) + 12 (g) — 2 HI (g) is 24 at 25°C. What is the value of…

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Q: What is the product of this reaction? CH3 H3C-C=CH₂ CH3 H3C-C-OCH3 CH3 CH3 H3C-C-OCH3 OCH3 OCH3…

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Q: Which of the following elements has the highest ionization potential? (a) Ba (b) Mg (c) Zn (d) Cl…

A: Ionization potential is the energy required to remove an electron from the outermost shell in its…

Q: Complete the following synthesis reactions.

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Q: 6. Predict the hybridization of each atom, and describe structure of the following the…

A: Central atom is one with lowest electronegativity among the given atoms in a molecule.

Q: Given that the molar weight of Na2CO3 - 105.99 g/mol, NaHCO3 = 84.007 g/mol, and NaOH - 39.997 g/mol…

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Q: K Given: Br2 (1) +2e 12 (s) + 2e O -1.63 V O -0.55 V O 0.55 V What is the standard cell potential…

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Q: 17] Show the complete reaction mechanism for the following. Do not draw anything directly reaction…

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Q: Calculate the final chloride concentration, Cl−, when 27.5 mL of deionized water are added to  22.5…

A: Initial concentration = 0.350 M  Initial Volume = 22.5 mL

Q: A 15.0 mg sample of a protein was dissolved in water to produce 5.00 mL of solution at 25.1°C. The…

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Q: For reactions f. and g. below, provide all possible products! f. DO Br DBN

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Q: Nitrosyl chloride is produced from the reaction of nitrogen(II)oxide and chlorine. 2 NO(g) + Cl2(g)…

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Q: Mothballs are composed primarily of the hydrocarbon naphthalene (C₁0H8). When 1.025 g of naphthalene…

A: Mass of naphthalene = 1.025 g Temperature change = 8.08°C Heat capacity of calorimeter = 5.11KJ/°C…

Q: Consider the reaction shown below between hydroxide ions (OH), hypochlorite ions (CIO), and chromium…

A: Oxidation: Increase in positive oxidation state or decrease in negative oxidation state Reduction:…

Q: Given the following diagram, identify the following [ a. Anode (Zn or Mg) b. Cathode (Zn or Mg) c.…

A: Anode (Zn or Mg) Cathode (Zn or Mg)

Q: 8. Silicon has a threshold energy (work function) of 7.78x10-19 J. When light having a frequency of…

A: Given :  Work function = 7.78×10-19 Frequency = 1930THz To find : the kinetic energy

Q: Dinitrogen oxide, N2O, is used as the anesthetic called laughing gas or nitrous oxide. What is the…

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Q: Aspirin is a pain reliever, anti-inflammatory, and fever reducer produced from acetic acid and…

A: The first step in solving this problem is to calculate the number of moles of NaOH that were used in…

Q: Nitrosyl chloride is produced from the reaction of nitrogen(II)oxide and chlorine. 2 NO(g) + Cl2(g)…

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Q: Choose the best answer. Background correction for atomic spectroscopy is important, because:

A: Option A B and E are correct.

Q: QUESTION 24 Calculate the heat of the reaction, in kJ, using the standard enthalpies of formation…

A: Use formula, standard enthalpy change All data given,

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

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Q: Consider the equilibrium shown here: CaCO3(s) C¥0 + CÓ, What would happen to the system if the total…

A: Le Chatelier's principle states that if the equilibrium is disturbed by any factor then the…

Q: What is the maximum mass of gallium bromide that can be dorm when reacting 41 g of gallium with 38 g…

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Q: 19 Listen are constant, True or false? At equilibrium, the concentrations of all reactants and…

A: True- at equilibrium the concentration of all reactants and products  are constant, because of at…

Q: Chlorophyll has the chemical formula C55H72MgN4O5 if you have 350 grams of chlorophyll how many…

A: This can be calculated using the molar mass calculation . Detail description is given below

Q: 10. How would you accomplish the following conversion? Br ОН 11. How would you accomplish the…

A: The given two reactions involve the conversion of cyclic bromo compounds to diols.

Q: 7. Determine the identity of the daughter nuclide from the 15 8 alpha emission of A) C 15 6 B) 16 9…

A: 7. Alpha emission is a type of radioactive decay in which a parent nuclide disintegrates into…

Q: Consider a 1.000-L stock solution of 9.69 M Na3PO4. A 2.000-mL aliquot is taken from this stock…

A: Concentration of stock solution = 9.69 M Final volume of the diluted solution = 750mL  Concentration…

Q: Which ion exchange chromatography would you choose to retain at pH 7.0 a protein containing many…

A: Explanation: A). Ion exchange chromatography (IEX), which separates molecules according to their net…

Q: Which is larger: AS at constant pressure or AS at constant volume? Why?

A: ΔS at constant volume is larger  than ΔS at constant pressure

Q: Listen Write the equilibrium expression for the reaction 30₂(g) 203(g)

A: Given : equilibrium reaction

Q: Might be present HgO ZnSO Cds Pb(NO3)2 Na SO Are definitely present Cd(NO₂)2 Are definitely absent…

A: Dilute HCl Bubbling H2S at different pH

Q: Consider the equilibrium shown below: CaCO3(s) C»0)+CO1 What would happen to the system if the total…

A: Given : equilibrium reaction Tip : addition of inert gas does not effect in equilibrium position

Q: Direction: Write the K, and K, expression of the following chemical reactions. 1. CO2(g) + H2(g) 2.…

A: The equilirbium constant (Kc) defined as the ratio of concentration of gaseous products to that of…