Increasing poarity Increasing length

Q: Calculate the value of equilibrium constant Kc when: a. N2 reacts with O2 to produce NO. At equilibr...

A: The chemical reaction :  N2 + O2 ---> NO  At equilibrium concentration of each gas :  N2 = 0.45 M...

Q: Rank the gasses from highest to lowest global warming potential. (1 being the highest, 4 being the l...

A: Due to global warming, the temperature of our earth increases day by day. 

Q: A(g) + 12 B(g) = 2 C(g) Determine the expression for the rate of the reaction with respect to each ...

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Q: 1. The decomposition of azomethane (C2H6N2) creates nitrogen gas and ethane gas (C2H6) with a rate c...

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Q: The following reaction occurs at STP: 2 H2O«) → 2 H2 (g) + O2 (g). How many liters of (8) hydrogen g...

A: Given: Mass of water = 72 g The molar mass of hydrogen atom = 1.008 g/mol The molar mass of oxygen ...

Q: You are on a road trip. Your car travels at an average speed of 65 miles/hr, with an average gas use...

A: Given: Speed of the car = 65 miles/hr. Average gas usage = 17.8 Km/L. And time travelled = 2.6 hours...

Q: Post Assessment Directions: Choose the letter that corresponds to the correct answer. Write your ans...

A: First law of thermodynamics states that energy can neither be created nor be destroyed.  Hess law st...

Q: ki [2] Given the mechanism: NO(g) + O2(g) SNO;(g) [fast, reversible] k-1 (1) k2 NO:(g) + NO(g) → 2NO...

A: Please note: As per our company guidelines we are supposed to answer only three parts of one questio...

Q: In clays, the negative charge is exactly balanced by the absorbed cations. A True B False Question 1...

A: 17. It is true that in clays the negative charge is balanced by the adsorbed cations. True 18. Yes, ...

Q: A container is filled with 5g of gas at STP. It is heated to 35°C with pressure being kept constant....

A: Given: Mass of gas = 5 g. Initial conditions are STP conditions i.e. 1 atm and 273.15 K. And final t...

Q: What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen and 48.68% fluori...

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Q: • The synthesis of alpha enol derivatives is important since these compounds with appropriate substi...

A: Given : We have to show the following conversion .

Q: Calculate the molarity of an aqueous solution that is 15.6% by mass calcium chloride. You might need...

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Q: It explains the properties of solids and liquids in terms of the intermolecular forces of attraction...

A: A multiple choice question based on inter-molecular forces that is to be accomplished.

Q: The e-e or a-a location of substituents in a 1,2-disubstituted cyclohexane produces a cis isomer. e ...

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Q: (2) Write the preliminary one pair of electron dots between each pair of bonded atomic cores. Figure...

A:                           Valence electrons present in each H atom = 1                Number of H at...

Q: synthesis. the letters of the reagents in the order that they are used; example: fa. Reagents Availa...

A: Given : We have to write the reagent and prepare the given product from benzene.

Q: In a calorimetry experiment similar to the one performed today, a student used 50.0 mL of 1.0 M NaOH...

A: Since you have posted multiple questions, we are entitled to answer the first only. 5) Given: Concen...

Q: A homogenic bond formation occurs in the termination step of radical substitution. Select the correc...

A: Homogenic bond is where both atom donate same no of electron.

Q: when you pull the pluger of the syringe without needle, until it reaches 30mL, press your thumb on t...

A: Given: you pull the plunger of the syringe without a needle, until it reaches 30mL, press your thumb...

Q: Transformation of carbolic acid to o-hydroxybenzaldehyde. .cO.Me Protection Reduction Deprotection н...

A: It is quite necessary for any organic entity with multiple functionality to follow protection strate...

Q: 1. Define the following terms briefly as they relate to the experiments. Cite an example for each us...

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Q: 1H NMR 2(CHa) CH2 PPM

A: Spectral Analysis - We observe two peaks in the above 1 H NMR spectrum 1) one due to the CH2 hydroge...

Q: (a) Given that the solubility product of rhodochrosite, MNCO3, is 10-93, calculate the equilibrium c...

A: In a solution that contains a solute having low solubility, the ions tend to form precipitate. An eq...

Q: Give the functions of the following ingredients, then name a branded/commercial skin or hair care pr...

A: 1.Tetrasodium EDTA is used in skin care products because EDTA is a chelating agent and it can decrea...

Q: The propagation step in the chain mechanism of radical halogenation begins the production of radical...

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Q: If an atom has 7 protons, how many electrons does it want to gain in order to fill its valence shell...

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Q: What is the rate of reaction if the rate of decomposition of dinitrogen pentoxide is 1.648x10 −4 M/s...

A: Given: The rate of decomposition of dinitrogen pentoxide = 1.648x10 −4 M s-1

Q: assign a structure to each of the following three spectra. The structures are presented here.

A: From these three spectra, it is clear that there is present one peak for the ester carbonyl group in...

Q: Consider the data showing the initial rate for the reaction CH3CI(g) + 3 Cl2(g)→CCI4(g) + 3 HCI(g) a...

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Q: Correct the ones that are marked wrong:

A: 1 (b)                                                     BaSO4(s) + HCl (aq) -----------> No rea...

Q: rate=k [H-][L] Use this information to answer the questions be What is the reaction order in H2? Wha...

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Q: Fluorine is the most useful and selective halogen reagent for radical substitution. Select the corre...

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Q: A student used 10 mL water instead of 30 mL for extraction of salt from mixture. How may this change...

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Q: For the reaction AB +CD ---> AC + BD A°H rxn = 1500 j/mol and Ea (rev) = 800 Kj/mol. Assuming a one ...

A: ∆H°rxn = 1500 J/mol  Ea(rev) = 800 KJ/mol  Ea(fwd) = ? 

Q: Answer the following questions about preparing the same buffer solution using three different method...

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Q: 0.100 M solution of K2SO4 would contain the same total ion concentration as which of the following s...

A: Given : We have to tell which of the following from options have the same number of ions as that of ...

Q: A) what is the conjugate base of HSO4-? B) what is the conjugate acid of HPO32- Please help thank yo...

A: When a chemical species donates hydrogen ions (H+) in an aqueous solution, then it is termed as an a...

Q: The boiling point of an alkane is lower than the alkane immediately after it in the series. Select t...

A: Boiling point is the temperature at which a liquid converts into vapour at given pressure. 

Q: Which of the following is not an oxygen-containing organic compound? A amine B acid halide (c) keton...

A: The organic compound structure is given below: Amine Acid halide  Ketone Ether  

Q: Why ethylene glycol is not categorized under glycol liquid desiccant?

A: There are two types of Glycol.They are  i-Ethylene Glycol  ii-Propylene Glycol      

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+OX2⟶2MgO   What mass, in...

A: The balanced reaction taking place is given as, => 2 Mg + O2 → 2 MgO Given: Mass of Mg taken = 1....

Q: At a certain temperature the rate of this reaction is second order in N,0, with a rate constant of 9...

A: 2nd order reaction: 2N2O5(g) ------> 2N2O4(g) + O2(g) inital conc. = 0.24M k = 90.8M-1s-1

Q: Determine the rate of formation of I3− if the initial concentration of I− was 0.5583 M and decreased...

A: The balanced reaction taking place is given as, => 3I−(aq)+ S2O82−(aq) ↔ I3−(aq) + 2SO42−(aq) Giv...

Q: A mixture was found to contain 1.50g NH4CI, 0.80 g NaCI, and 1.20 g SiO2. What is the percentage of ...

A: Given: Mass of NH4Cl = 1.50 g Mass of NaCl = 0.80 g Mass of SiO2 = 1.20 g

Q: List combination of quantum numbers (n, l, ml) that could describe the size, shape, and orientation ...

A: The answer is as follows:  

Q: Balance the following combustion reaction: (Write whole-number coefficients in each box.) 2,3,4-trim...

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation ...

Q: Write the molecular formulas for the following structural formulas: (Write the formula using subscri...

A: We have to  calculate  no of carbon and hydrogen  in above molecule. 

Q: How many grams are there in 2.56 moles of (NH4)2SO4?

A: Given data, Number of moles = 2.56 mol Formula, Number of mol (n) = mass / Molar mass Molar mass of ...

Q: 3. Oxazolidines are important synthetic precursors for the production of drugs. The reason is that t...

A: Here we are given with organozinc reagent, we have to utilize it and have to make the reaction. 

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.