2. A solution made by adding 1.63 g of K2S (MM-110.3 g/mol) to 10.0 mL of H2O has a volume at 20°C of 11.1 mL. Find the molarity and normality of the solution.

Q: 64. When three moles of a metal oxide, MO2, react with ammonia gas, the metal (M), water, and…

A: The balanced chemical reaction is given below 3MO2 + 4NH3 = 3M + 6H2O + 2N2

Q: When gasoline burns in a car engine, the heat released causes the products CO2 and H2O to expand,…

A: Given, work done by the expanding gases on the piston, w= - 541J  negative sign of work is because…

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature…

A: Arrhenius equation: Arrhenius equation give the relationship between the activation energy and the…

Q: Question 1 Rank the following compounds in order of increasing reactivity [least CH3CONH2> CH3COCI >…

A: •Nucleophillic acyl substitution:- Reaction in which a nucleophile displace leaving group of acyl…

Q: Enter the IUPAC name for the compound shown below:

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

Q: of qualitative tests on a sample of Ba(NO3)2 and recorded the following data.   a resulting…

A: Qualitative test are those in which we identify chemical components in unknown sample.

Q: Consider a series of reactions having the following energy profiles: 25 kJ/mol KAN -15 kJ/mol Energy…

A: Given Energy profiles:

Q: ● ● Calculate the amount of each chemical required to make a 10x stock of TBE in a final volume of…

A: We know that, V×M = number of mmol  Where V = volume & M = molarity of the solution.

Q: Propose preparative routes to the following ketones using an enamine intermediate - you must make…

A: In this question, we have to synthesized the given product a) and b) by using enamine intermediate.…

Q: 3. Give the molar concentration of HCI with a specific gravity of 1.18 and 37.0% (w/w) purity…

A:

Q: Designate the R/S configuration for any chiral centers in the following molecules.

A:

Q: Please draw the 3d structure of psylocibin (C12H17N2O4P), with labeled molecular geometry and angles

A: A question based on molecules that is to be accomplished.

Q: 76. Most wine is prepared by the by yeast: C6H12O6(aq) →→2C₂H5OH(aq) + 2CO₂(g) How many grams of…

A:

Q: Limestone stalactites and stalagmites are formed in caves by the following reaction: Ca²+ (aq) +…

A: The balanced chemical equation is: Ca2+(aq) + 2HCO3-(aq) → CaCO3(s) + CO2(g) + H2O(l)  The reactant…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: -> When non volatile solute are dissolved in solution then boiling point of solvent increases.…

Q: The standard reduction potentials for Ni2+ and Cr₂O72- are as follows: Ni2+ (aq) + 2 e → Ni(s)…

A: Nernst equation is used to calculate the cell potential (Ecell) at conditions other than standard…

Q: Extra task 1: Identify each of the following molecule as chiral or achiral. (By circling the chiral…

A:

Q: Determine which of the following procedures are steps in drawing the resonance structures of…

A: For The procedural steps in drawing the resonance structures  of pyridine and pyrazine Leave out…

Q: (3) S. Me BuLi SiMe3 E 1) BnBr, NaH 2) Hg²+, H₂O LL F

A: This is a classic example of umpolung ( reversal of polarity ) reactivity. The dithiane derivative…

Q: used as an alternate fuel. Carbon monoxide gas reacted with hydrogen gas can be used to produce…

A:

Q: Which of the following aqueous solutions are buffer solutions? (Select all that apply.) ()0.21 M HCN…

A: Buffer solution is a solution of weak acid with its conjugate base or weak base with its conjugate…

Q: 1. Name the product. Indicate the stereochemistry. H₂ Lindlar's catalyst H₂ Lindlar's catalyst 2.…

A: -> Lindlar catalyst is a hetrogeneous catalyst which is reducing agent and it is used for…

Q: (b) oxidizes Al to Al³+ but does not oxidize Sn to Sn²+ Mg2+ Zn²+ Ca2+ Cd²+ NO3 VO₂+

A: we have to determine which of the given species can oxidize Al but not Sn

Q: Cyclohexane, C6H12, a hydrocarbon, can isomerize or change into methylcyclopentane, a compound of…

A:

Q: Thallium(I) sulfide is a blue-black lustrous crystal that was once used to manufacture…

A: Thallium reacts with sulfur to form thallium sulfide. The equation for the balanced chemical…

Q: A student performs the Electrochemistry, and obtains the following data: [Cu²+], M Potential, V 0.1…

A: #1:  The unbalanced redox reaction is: Cu(s) + Ag+(aq) → Cu2+(aq) + Ag(s)

Q: A neutralization reaction occurs when phosphoric acid reacts with sodium hydroxide solution.…

A:

Q: Draw a schematic diagram showing the traction processes of caffeine.

A: Method to extract caffeine from instant coffee, 1. Take 10 g of ground coffee + 4 g sodium…

Q: you are given 4 solutions: A. 15g of glucose in 500mL of water B. 600mL of 4% fructose  C. 0.9L…

A: As per the rules, only the first three sub-parts can be answered

Q: suppose a current of 0.510 A flows through a copper wire for 281. seconds, calculate how many moles…

A:

Q: Pls help ASAP.

A: We would write expression for Ksp by using the dissociation equation. Then using the value of Ksp…

Q: 2) Determine the absolute configuration of the following drugs according to the (E)-(Z) system (a)…

A: We have to determine the absolute configuration of the given molecules

Q: Data in the table below were collected at 540 K for the following reaction: CO (g) + NO2(g) → CO2(g)…

A:

Q: What type of synthesis is this an example of?  Is this showing the addition of a ketone giving a…

A: Organic reactions are those in which organic reactant react to form organic products.

Q: How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through…

A: Concept:  We have the charge given in form of the current and time taken, from Chemical equation of…

Q: Which statement best describes the method you would to isolate compound 2 from the mixture of…

A: Compound 1 is an ester and is soluble in ether only. Compound 2 is a carboxylic acid and is soluble…

Q: What is the wavelength (in m) of an electron moving at 2.60% of the speed of light? m

A:

Q: If 20.15% of the atoms in a sample of tin are replaced by copper atoms without any change to the…

A:

Q: A 12.5 mg sample of a gas with an empirical formula of CHF2 micro-Liter flask. It has a pressure of…

A:

Q: The ideal gas equation is PV = nRT where P is pressure, V is volume, n is the number of moles, R is…

A:

Q: What is the major product of this reaction? O H HCN ???

A:

Q: (d) Calculate the rate constant, giving the correct units for k. (e) Without doing a calculation,…

A: According to rate law, Rate=k[A]x[B]y[C]z....where k= rate constant[A], [B], [C],... are the…

Q: An 80:20 mixture by mass of N, and O, is placed in a 5.00 L cylinder at a total pressure of 30.0 kPa…

A:

Q: What is the major product of this reaction? HO D C A H B (A) None of these OCH3 OCH 3 H NaBH4 MeOH…

A:

Q: what are the similarities and difference of plasma and gases

A: Gases and plasma are two states of matter. Matter is anything that occupies space

Q: Provide the complete mechanism using CAF for the reaction of the following compound undergoing…

A: Saponification of ester is the hydrolysis of ester in presence of a base such as KOH or NaOH to form…

Q: Consider the following galvanic cell at 25°C. Pt | Cr2+ (0.30 M), Cr³+ (2.0 M) || Co²+ (0.17 M) | Co…

A:

Q: uestion 5 Which one of the following is NOT a good way to ma O CH3COOH, CH31 and K2CO3 O CH3OH,…

A:

Q: A compound gives the following ¹H NMR spectrum. The signal area ratio (integration) for the three…

A: Two questions based on NMR spectroscopy that are to be accomplished.

Q: The Density of a gas was measured at 1.50 atm and 27°C and found to be 1.95 g/L. Calculate the molar…

A: