Why does Naphthalene elute last in 95 percent Polydimethylsilicone and 5% phenyl-methyl silicone gas chromotagraphy system as compared to phenol and toleune(where toluene elutes first than phenol)

Q: How many grams of aluminum can form by passing 353 C through an electrolytic cell containing a…

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Q: Question 11 Which of the Fischer projections below corresponds to this three dimensional structure?…

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Q: Provide the correct IUPAC name for the compound shown here.

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Q: Complex lon Equilibria -3 107. A solution is made 1.1 × 10-³ M in Zn (NO3)2 and 0.150 M in NH3 After…

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Q: Calculate the G in kJ for the following cell: Cd(s)|Cd2+(0.250M)||Pb2+(0.00250M)|Pb(s)  Eocell=+1.50…

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Q: nformation given below to calculate the the theoretical enthalply and entropy changes for the…

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Q: 3. Show the step(s) necessary to carry out this transformation: → benzylamine benzamide

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Q: Using the reagents below, list in order (by letter, no period) those CH3 necessary to prepare…

A: In this question, we will see all three reagent in each steps which give final product from the…

Q: 5. Two Structures (or f on atoms one -somers) of C₂ H₂ Clz (where the cl different Curbons) are…

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Q: e. f. Br NaH SH 1. PBr3 2. Mg, thf 3. Ethylene oxide 4. H₂O/H3O+ Label step 3 only OH

A: The reactant and product of the reactions are given as below -

Q: How many KILOJOULES of heat is required to raise the temperature of the entire 1.0 Kilogram of steam…

A: Given, mass of steam = 1.0 kg =1000 g

Q: & show the major organic producte 3 h. + + NH₂ H+ excess NH3

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Q: 12.Label the functional groups and identify the correct compound based on the IR spectrum. NH₂ b) OH…

A: To identify the correct compound from the given IR spectrum. The given compound can be characterized…

Q: Indicate which is larger in each of the following two sets. (1) Ni²+ or Ni (II) Te²- or Te

A: #General order of size :  Cation < neutral < anion.  Reason :  Cation is smaller in size…

Q: What is the ideal H-N-H bond angle for that geometry? and What is the molecular geometry of NH3 ?

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Q: A compound contains only nitrogen and hydrogen and is 87.4% nitrogen by mass. A gaseous sample of…

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Q: 0 a. Draw the structure of the tetrahedral intermediate INITIALLY FORMED in the reaction shown.…

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Q: Before answering question 14, you may wish to draw it in chair form. Reverse Reactions. Fill in the…

A: We have to carry out the required synthesis.

Q: Question Mass defect is the difference between a nuclide's: Select the correct answer below: average…

A: Mass is the amount of material present in an object.An atom is made up of proton,electron and…

Q: The concentration of Fe²+ in a sample is determined by measuring the absorbance of its complex with…

A: We would use formula of absorbance given as :  A = ECl  where, E is molar absorptivity which depends…

Q: click on Submit.) Pb(NO3)2 + Cal₂ The precipitate is Cu(NO3)2 + ZnBr₂ The precipitate is K₂CO3 +…

A: A precipitate is solid product formed by the reaction between the reactants. The product precipitate…

Q: this solution is incorrect, please help

A: In this question, we have to provide the major product formed after the given reaction.

Q: 11. A sample of gas isolated from unrefined petroleum contains 90.0% CH₁, 8.9% C₂H, and 1.1% C,H, at…

A: Partial pressure of a gas =  Mole fraction × Total pressure

Q: An acidic solution is 9 mM in each of the following metal lons: Sn²", Co², M², Pb, See the…

A: Given: Acidic solution is 9 mM in each of the following ions: Sb2+, Co2+,Mn2+,Pb2+ To determine:…

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

A: Ionization energy is the minimum amount of energy required to remove an electron from the valence…

Q: 1. What is the name of the compound given below? What types of organic compound is this compound.…

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Q: The van der Waals constants a and b are 5.489 L2 atm mole-1 and 0.0638 L mole-1 for C2H6. (a)…

A: Given, Vander Waals constant ,  a=5.489L2 atmmol2b=0.0638Lmol

Q: pyruvate + HCO3¯ + ATP pyruvate carboxylase oxaloacetate + ADP + Pi

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Q: Determine the mass in grams of 4.26 ✕ 1024 molecules of PH3

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Q: The Haber process has allowed the industrial production of ammonia, which is important in…

A: Given -> Pressure= P = 231 atm  Temperature= T = 355.3 K Weight of N2 = 2.29 kg = 2290 gm (1 kg =…

Q: Predict the major product(s) of the reaction shown. 01 01 OIV Oland II Br ملا hv Bra جل ||| Bri IV

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Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs…

A: Well, we know two moles of NaOH are required to neutralize one mole of oxalic acid. so using this…

Q: Chemistry at 87 celsius, which compound has vapour pressure of 59kpa? how? a) ethanoic acid b)…

A: The temperature at which a liquid's vapour pressure equals atmospheric pressure is known as the…

Q: 4. The experimental procedure for this experiment has you add 5 mL of 0.0040 M AgNO3 to 5 mL of…

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Q: Draw the structure(s) of the major organic product(s) of the following reaction. p-toluenesulfonic…

A: In the given reactions, ethanol and CN- acts as nucleophile and carbonyl centres acts as…

Q: QUESTION 1 How many grams of KCIO 3 are needed to produce 7.578 moles of O 2 in the reaction 2 KCIO3…

A: Potassium chlorate decomposes into potassium chloride and oxygen on heating. The equation for the…

Q: Name for each of the three (3) Atomic Models in the cartoon below: ➤ Who discovered/developed the…

A: We need to  1. Name the three atomic model shown in the figure and who discovered them in which…

Q: 10) Is the electronic geometry of the Sulfur atom retained when H₂S is protonated to produce the ion…

A: The electronic and molecular geometry of a molecule can be determined by the number of bond pairs…

Q: 4. Solutions of iron(III) sulfate and sodium sulfide are mixed. 5. Solutions of aluminum sulfate and…

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Q: Which of the species contains a + bond? H₂O HCN CO²- 03 Which of the species contains a delocalized…

A: If a molecule is having resonating structures or is capable of showing resonance then the pi-bond in…

Q: A 0.04328 g sample of gas occupies 10.0 mL at 294.0 K and 1.10 atm. Upon further analysis, the…

A: Given: The mass of the gas = 0.04328 g The volume of the gas = 10.0 mL Temperature = 294.0 K The…

Q: 4. Write balanced molecular and ionic equations for following reactions: a. CaCO3(s) and HCl(aq) b.…

A: According to law of conservation of mass, the chemical reaction must be balanced and the number of…

Q: Write about the formation process of a nicotine chewing gum?  Please answer at your own easy words.

A: Nicotine chewing gum is a medicine which helps people to quit smoking.

Q: What volume in liters of CH3OH gas forms when 3.20 L of H₂ gas are completely reacted at STP…

A: • The given reaction is,        CO(g) + 2 H2(g) → CH3OH    • The values provided in the question…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 1. BH3-THF 2. H₂O2, NaOH

A: -> Hydroboration -oxidation give antimorkovnikov addition of H2O overall.

Q: Calculate the Ksp for Ni(OH)2 Ni(OH)2(s) + 2 e- ⟶ Ni(s) + 2OH-(aq); Eo = -0.720 V Ni2+(aq) + 2 e- ⟶…

A: Answer:- This question is answered by using the simple concept of calculation of solubility product…

Q: At what temperature does sulfur hexafluoride have a density of 0.6250 g/L at 0.8210 atm?

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Q: The compound ammonium sulfate is a strong electrolyte. Write the reaction when solid ammonium…

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Q: Anhydrous oxidations of primary alcohols can stop the oxidation at the aldehyde stage. A common…

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Q: Potassium chlorate(s) can be decomposed to O2(g) and potassium chloride(s) by heating. Calculate the…

A: 2KClO3 (s) ==> 3O2(g) + 2KCl (s)  Volume of oxygen = 262.4 ml = 0.2624 L  (1 L = 1000 ml )  At…