Rank the elements according to their metallic character. Pb Si Most metallic Least metallic Answer Bank с Ge

Q: Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and…

A: Given that : The solubility of oxygen gas at 50°C and 1 atm (O2) is 27.8 mg/L. The solubility of…

Q: H¹, heat CH3-CH₂-CH₂-OH Draw the molecule on the canvas by choosing buttons from the Tools (for…

A: This question belongs to basic organic reaction mechanism.

Q: 3. What is the FP and BP ๆ solution containing 4.27g of Sucrare and so g of this a

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Q: 1. Identify acids ( A ), the bases ( B) , the conjugate acids (CA), and the conjugate based ( CB).…

A: Answer: An acid is a compound that loses H+ ion and its conjugate base is the specie formed after…

Q: Compare the de Broglie wavelength of a golf ball moving at 70.0 miles per hour (31.3 m/s) to that of…

A: Formula of de-Broglie wavelength λ= hmv Where h is Plank constant = 6.626 ×10-34 kg.m2 /s m = mass…

Q: Using standard heats of formation, calculate the standard enthalpy change for the following…

A: Given CaCO3(s) →CaO(s) + CO2(g)

Q: Propylene forms only oligomer under normal free radical conditions, yet the monomer forms…

A: Propylene often forms Oligomers (low molecular weight molecules) rather than high molecular weight…

Q: please give solution and answer to this question  thank you

A: Consider the given information as follows; CaO (s)  +   CO2 (g)    →    CaCO3 (s) ∆rS° = ?

Q: How much energy would be produced from the reaction of 2.40 mole hydrogen with 3.95 moles chlorine…

A: 2.40 moles hydrogen reacts with 3.95 moles chlorine.

Q: N(CH3)2 H₂O, H* S + H-N(CH3)2

A: From reactant to product conversion an enamine is converted into keton in the presence of H3O+, H2O…

Q: 2-phenyl-propanoic acid 1) 2) PBr3 Br₂, HCl (aq.)

A: The given reaction scheme is shown below We have to draw the mechanism of the above reaction and we…

Q: than one. Ing Would increase gas solubility in liquids? You may choose more A. increase the partial…

A: Which of the following would increase gas solubility in liquid.…

Q: Liquid octane (CH, (CH₂) CH₂) reacts with gaseous oxygen gas (O₂) to produce gaseous carbon dioxide…

A: Given that, Mass of octane = 86.8 g,  molar mass of octane C8H18=114 g/mol mass of oxygen = 268 g…

Q: How many signals would you expect each of the following molecules to have ifl ▪ectrum? Label the…

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Q: 2. Infer from the observations that acids, bases, and salts are electrolytes. Discuss the following…

A: An electrolyte is defined as a substance that dissociates into positive and negative ions which can…

Q: Calculate the molar solubility of BaSO4 in a solution in which H3O+ is (Ksp (BaSO4) = 1.1 x 10-10,…

A: The molar solubility of a solution is defined as the amount of solute dissolved in one liter of…

Q: Which amino acid must have been used to form the ring highlighted in this structure? A) R B) S C) T…

A: The question is based on the concept of amino acids and peptide chains. we need to identify the…

Q: What’s are the IUPAC for these?

A: Since,Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more…

Q: 3+ How many d electrons are in the valence shell of the Co cation? How many unpaired electron spins?…

A: Number of d electrons present in valence shell of Co3+ and number of unpaired spins in can be…

Q: Sodium Borohydride + Vanillin Explain why the product is soluble in aqueous NaOH, but precipitates…

A: When sodium borohydride (NaBH4) is added to vanillin, it reduces the aldehyde functional group…

Q: From the abbreviated name of the compound Gal (β1->4) Glc, we know that—     C4 of galactose is…

A: From the abbreviated name of the compound Gal (β1->4) Glc, we know that—        C4 of galactose…

Q: Ammonium phosophate ((NH4)3PO4) is an important ingredient in many solid fertilizers . It can be…

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

A: Answer: System is the part of surrounding that has been separated to study the effect of a change…

Q: 12) Consider a balloon that will expand without any restriction until it pops. If the balloon can…

A: Note: As per the guidelines solution of 12th question has been made. For the expert solution of…

Q: What happens chemically during the saponification process when you add heat to the soap reaction…

A: Saponification is a chemical reaction in which an ester (such as glycerol tristearate) is hydrolyzed…

Q: Complete the following reactions by drawing the substrate, the products (majorities only) or by…

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: Question 4 A sample consisting of 3.0 mol of perfect gas molecules with Cv.m, = 3R/2 which is…

A: Given that, a perfect gas undergoes reversible adiabatic compression, The number of moles is n = 3.0…

Q: Spectrum 9A: 8 u Spectrum 9B: 140 120 CO 10 100 PPM 80 PPM 60 relative peak areas 40 20 0

A: The question is based on the concept of organic spectroscopy. we need to analyse the spectra and…

Q: Answer the questions about the balanced reaction 3A + 2B 1 C + 100. cal C = 70.g The molar masses…

A: Given, molar mass of A= 10 g  Molar mass of B = 20 g  Molar mass of C = 70 g  Given reaction is-  3A…

Q: (C) Show how you could accomplish the following conversion in a practical manner using any necessary…

A: Important steps required to synthesize the product from the given starting material is shown below;

Q: The reaction between sodium metal and chlorine gas produces 822 kJ of heat energy for every chlorine…

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Q: What are the mole fractions of each component in a gas mixture consisting of 18.0 g 48.8 g of N₂ and…

A: Given mass of O2 = 18 g mass of N2 = 48.8 g mass of Cl2 = 0.82 g

Q: 12. In the reaction to make silver nitrate (AgNO3) how many liters of 1.3 M silver (Ag) are needed…

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Q: Use the References to access important values if needed for this question. A solution contains…

A: The question is based on the concept of solubility product principle.    It that states that when a…

Q: What is the molarity of a 25.0% (v/v) aqueous isopropyl alcohol solution? The density of isopropyl…

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Q: 1. AsO4³ +NO2 → AsO2 + NO3 in basic solution

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Q: Concentration of NaOH (M): Molar mass of acetic acid: (g/mol) Titrate 5.00 mL of vinegar for each…

A: 1. Volume in liter multiplied by molarity (M) gives the number of moles of NaOH present in the…

Q: Define the endpoint of titration?

A: We have been asked to define end point of titration. Indicator is used to identify the end of the…

Q: A. B. HBr (1 eq.) solvent CH₂OH, H* cat.

A: We know SN1 reaction favours racemic mixture via carbocation intermediate .

Q: Given 1.00 L of a solution that is 0.100 M in sodium propionate (NaC3H5O2) and 0.300 M in propionic…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Calculate the PH and the POH for a .022 Moles solution HCl.

A: Answer: Hydrogen ion concentration tells us about the power of hydrogen ion concentration in the…

Q: Which one of the following solutions would be the most basic? Weak Acid HCN HNO₂ Ka 4.9 x 10-1⁰ 4.5…

A: -> Ka value represents acidity if Ka value greater then it has more acidity hence, basicity is…

Q: b. NaOH (aq) →→→ Na* (aq)+OH- (aq)

A: In this question no data or any types of hints aren’t given but I will try to explain the basics.…

Q: a) b) c) HNO3 H₂SO4 O CI AICI 3 Na₂Cr₂O7 H* Cl2, AICI 3 Zn-Hg HCI, heat

A: Given reactions are shown below We have to draw the major organic product of the above reactions.

Q: Kindly complete the following (showing all your work) and please keep your final answer to 2 decimal…

A: The enthalpy change of a reaction ∆Hrxn is given by: ∆Hrxn=∑∆Hof(products)-∑∆Hof(reactants)

Q: 10 3 9 2 6 (ppm) 8 7 1 6 01 5 4 1.00 3 0.50 2 3.00

A: The question is based on the concept of organic spectroscopy. We need to identify the compound.

Q: O Show how to prepare the following compound from 2-methyl-cyclohexanol:

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Q: Draw the missing organic structures or select the missing reagents in the following multistep…

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Q: Determine the number of electrons are in the delocalized pi-system of the compound shown below. H3C…

A: Given a delocalizied pi system of the compound. We have to determine the number of pi electrons are…

Q: Consider a balloon that will expand without any restriction until it pops. If the balloon 12) can…

A: Note: As per the guidelines solution of 1st challenge question has been made. For the expert…