Consider the reaction at 298 K. 2C(graphite) + O,g) 2C0(g) AH-221.0 k/mol Calculate the quantities for AS AS ASmir AS J(mol K) Mmol - K) ASu

Q: 1. Which of the following is the strongest acid? HO, OH а. b. F С. d. Cr e. ON

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Q: NO + O O NOle) Given the following information: As part of your answer, show how the equations can b...

A: NO(g) + O(g) ---> NO2(g)  

Q: Determine the molar concentration of Ag+(aq) ions in a 2.00 M solution of AgCl2- with no excess chlo...

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Q: Which of the following can be mixed together in H2O to produce buffer solutions? Choose all that app...

A: A buffer solution is an aqueous solution which can resist change in pH on addition of small amount o...

Q: Gibbs Energy and Phase Changes 1. The molar volumes of water and ice at 0°C and 1 atm are 18.02 and ...

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Q: Calculate the energy (in kJ/mol) that electrons acquire as a result of being accelerate through a po...

A: Given: Potential = 80 V  

Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a calor...

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Q: lead to a decrease in the entropy of the system? (select all that apply) 1) salt crystals dissolve ...

A: Entropy is degree of randomness or disorderness.  The order of Entropy in various phases,  Solid &lt...

Q: 2. Write a balanced chemical equation for the reac- tion of bromine and triolein, a triglyceride of ...

A: The chemical reaction includes reactants and products.

Q: 12.0 mL of a 0.210 M NaOH solution are required to neutralize 10.0 mL of a sulfuric acid solution wh...

A: Given :-  molarity of NaOH solution = 0.210 M  volume of NaOH solution = 12.0 mL  volume of H2SO4 so...

Q: The change in distribution of six gaseous particles between three interconnected containers is shown...

A: Among these figures the one which has negative entropy is given below

Q: Give an IUPAC name for the compound below. Accepted names for branched alkyl groups are isopropyl, i...

A: The following steps are required for IUPAC naming 1->first of all identify the longest carbon cha...

Q: 24. A sample of 0.6760 g of an unknown compound containing barium ions (Ba?") is dissolved in water ...

A: Mass of Unknown = 0.6705 Mass of BaSO4 = 0.4105

Q: [Réferences) Use the References to access important values if needed for this question. Draw the str...

A: catalytic hydrogenation of alkene produce alkane as product . Given-> 1,3,4- trimethylcyclopenten...

Q: 2. A sample of PCIS was placed in a vessel with an original concentration of 0.40 mol/L at a given t...

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Q: Give a clear handwritten answer...

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Q: What is the change in internal energy if the heat absorbed by the system is 97 J and the work being ...

A: Using first law of thermodynamics internal energy = heat + work

Q: 2. Consider the five esters below with formula C.H 20:: (a) (b) (e) (d) (c) O Which is/are mad e fro...

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Q: Number of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resona...

A: Formal charge = NV - Nnb - Nb/2  Where Nv = Number of valance electrons  Nnb= number of non bonding ...

Q: Calculate the pH of a solution that is made by dissolving 5.54 g NH4NO3 in enough water to create 0....

A: First to calculate morality Then to calculate degree of dissociation.  Then to calculate pH.   

Q: a) What is the formula and charge of the of the complex ion? b) What is the coordination number of t...

A: Given that Pt2+ forms a complex with two ammonia molecules, one SCN- and a Cl- ion.

Q: Pyruvate is a precursor for which of the following molecules? O ethanol O acetyl-CoA O glucose O oxa...

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Q: Which of the following compounds would you expect to be soluble in water? I. AgNO3 II. AgCl II. AgCI...

A: Correct option is ( e) I and III  because both are ionic in nature and hydration energy of solvation...

Q: To find Qut the nicked jon concentraion im a dolution Porepared Joy mixing 361m2 of oo414m uckel mit...

A: Given: Concentration of Nickel nitrate i.e. Ni(NO3)2 = 0.414 M Volume of solution = 361 mL = 0.361 L...

Q: Write the formula of the conjugate base of the active ingredient in aspirin, acetylsalicylic acid, C...

A: Conjugate base: The conjugate base of an acid is the species formed by the removal of 1 H+

Q: If a solution of CaF2 (s) in water contains 6.0 x 103 moles of Ca2+ per liter and has a Ksp of 4.0 x...

A: Given: The Ksp of CaF2 = 4.0×10-11 The concentration of Ca2+ ions = 6.0×10-3 moles per liter We have...

Q: Suppose an atom with its nucleus at the origin has an electron in a 2p, orbital. Complete each row o...

A: Atomic orbital :-  The space around the nucleus where the probability of finding the electron is max...

Q: Give an IUPAC name for the compound below. Accepted names for branched alkyl groups are isopropyl, i...

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Q: An analytical chemist is titrating 245.0 mL of a 0.3100M solution of benzoic acid (HC,H,CO,) with a ...

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Q: It takes 30.5 kJ of energy to raise the temperature of 300 g of a substance from 30.0°C to 80.0°C. W...

A: Given, Amount of energy (Q) = 30.5 kJ = 30.5 × 1000 J = 30500 J Mass of a substance (m) = 300 g Init...

Q: Solid silver nitrate is slowly added to 75.0 mL of a 0.333 M potassium hydroxide solution until the ...

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Q: Find the chemical name and formula for: a) sagar b) haking suda e) table salt

A: 1. )  Sugar, baking soda and table salt have specific chemical name and formula .    Note : As you h...

Q: Which of the following has the greatest molar entropy? All have the same O F2 () O F2 (s) O F2 (s)

A: Entropy: Entropy can be defined as the measurement of randomness or disorderness in the thermodynami...

Q: If an oxidation reaction occurs with an alcohol, what are you removing and what are you adding to yo...

A: It is quite necessary to write an example of oxidation process in order to get the question solved. 

Q: Write the complete, balanced reaction that occurs when manganese (II) nitrate is mixed with sodium c...

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Q: rough closest packed planes. In body-centered cubic (bcc) the closest packed plane is {110} and {111...

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Q: 1. A buffer solution is 0.200 M in HC.H,O2, a monoprotic acid, and 0.200 M in NaC,H;O2. K, for the a...

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Q: For doubly ionized lithium (only one electron left), what is the wavelength of the emitted photon as...

A: Given :-  ion from which electron undergoes transition = Li2+  transition of electron takes place fr...

Q: CI AICI3

A: generation of electrophile from alkyl halide by lewis acid  carbocation rearrangement  nucleophilic-...

Q: Predict the observed rotation for a 0.100 M aqueous solution of L-tartaric acid measured in a 1.0 dm...

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Q: Hello, good day. I have a problem answering this question, and I need your help. Hoping for a respon...

A: Answer - According to the question - Sedimentation and flotation are solid-liquid separation process...

Q: Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag, Cro, is 1.12 x 10-12. What...

A: We have to predict the solubility.  

Q: Draw the structural formula of the product that would form when 3-isopropylcyclopentene undergoes ca...

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Q: We prepared a solution containing 1.0 mol.L·' HF and 1.0 mol.L-' C,H;OH. The K, of hydrofluoric acid...

A: Answer: Given data: [HF]=1.0M[[C6H5OH]=1.0M Ka(HF)=7.2×10-4M Ka(C6H5OH)=1.6×10-10M

Q: A strong pulsed laser with a 266 nm wavelength is being used to excite a sample. You find two peaks ...

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Q: Give the systematic name of the compound below.

A: We have to predict the name of given compound.  

Q: All of the following statements regarding electrochemical cells are true except All electrochemical ...

A: Electrochemical cells : It is a device which generate electrical current from chemical reaction occu...

Q: -25. What is the concentration (in molarity ) of a NaOH solution if 25.0 mL of the solution are need...

A: Sodium hydroxide reacts with hydrochloric acid, to form sodium chloride and water. The equation for ...

Q: What reaction converts nitrobenzene to 1-bromo-3-nitrobenzene Alkylation Acylation Halogenation ...

A: Br is halogen , in the reaction halogenation occur

Q: The change in entropy, ASan, is related to the the change in the number of moles of gas molecules, A...

A: