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Q: The fuel in high-efficiency natural-gas vehicles consists primarily of methane 1CH42 What is the max...

A: Work may be defined as the transfer of energy other than the heat energy and it is done by the syste...

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 181. kJ during a ...

A: Enthalpy of a mixture of gaseous reactant is increased by ΔH = 181.0 kJ At a constant pressure. Work...

Q: Ethanol, has a vapor pressure of 59 mm Hg at 25 °C. What quantity of energy as heat is required to e...

A: The amount of energy needed to overcome the intermolecular force of attraction of a  1 g of  substan...

Q: Write the names for the reactions given below, showing the appropriate mechanisms.

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

Q: Use the standard entropy data to determine the change in entropy for each of the reactions listed ( ...

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only. ...

Q: Because many ions and compounds have very similar names,there is great potential for confusing them....

A: Chemical formula- Chemical formula is symbolical notation to show type of atoms and number of atoms...

Q: 4) Balance the following reactions and convert them to their correct reaction quotients. Convert to ...

A: The given reactions are to be balanced and convert either KC or KP depending on what is given: a) NO...

Q: Chemistry Question

A: The percentage of any component in a mixture by mass, is calculated as: Now, first of all mass of c...

Q: Urgent help needed

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Q: What is the pH of the solution in the cathode half-cell when PH2 = 1.0 atm, 3Zn2+4 in the anode half...

A: The anodic half-reaction and cathodic half-reaction that occurred in the electrochemical cell are as...

Q: Propagation of uncertainty. In an extremely accurate measurement of the Faraday constant, a pure sil...

A: This problem is related to Faraday`s Law of electrolysis, states as "mass of substance deposited or ...

Q: What is the difference between the endpoint and the equivalence point in a titration?

A: The equivalence point is the point in the titration where the number of moles of titrant is equal to...

Q: Differentiate between the mass number and the atomic number?

A: Mass number (A)- the number of protons(p) and neutrons(n) present in an atom of element called as ma...

Q: H3A has pKal = 3.1, pKn2 = 3.9, and pKa3 = 4.7. A titration using 0.500 M KOH and 100 mL of 0.100 M ...

A: The given titration curve is for a tribasic acid H3A, with three equivalence points.

Q: Kevlar®, a polymeric aromatic amide, is synthesized from the monomers p-phenylenediamine (left) and ...

A: (a) Lewis acid is a compound that can accept or share the electron pair from another compound. Lewis...

Q: Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected heart ...

A: The half-life and the final concentration of a reaction is related as:

Q: Please complete the second part

A: The reaction given is Cl2 (g) + Fe (s) --------> 2 Cl- (aq) + Fe2+ (aq)  In the above reaction we...

Q: Which system has the greatest entropy? (a) 1 mol of H21g2 at STP (b) 1 mol of H21g2 at 100 °C and 0....

A: Entropy is known as randomness or the least stability or highest energy.

Q: Draw a structural formula of the principal product formed when ethyl benzoate is treated with   reag...

A: Ethyl benzoate is an ester and DIBAL-L (-78°C) is a reducing agent. It reduces an ester to an aldehy...

Q: A scientist studying the properties of hydrogen at low temperature takes a volume of 2.50 L hydrogen...

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Q: What is the bond order for a second-period diatomic molecule?

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Q: What is the correct IUPAC name for the compound shown here?

A: Rules to write the IUPAC name of a compound are  1. Identify the longest carbon chain. 2. Identify t...

Q: Some years ago a unique proposal was made to raise the Titanic. The plan involved placing pontoons w...

A: Number of moles of water molecules required for the production of one mole of hydrogen gas at cathod...

Q: Calculate the molar entropy of ammonia liquid at the normal boiling point. The enthalpy of vaporizat...

A: The normal boiling of ammonia liquid is -33.34◦ C

Q: Draw the Lewis structure (including resonance structures) for methyl azide (CH3N3). For each resonan...

A: In methyl azide three nitrogen atoms make covalent bond with carbon and with nitrogen. The electrons...

Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the reactio...

A: Pb2+(aq) + 2Ag (s) ----->  Pb (s) + 2Ag+(aq) standard reduction potential E0 pb2+ / pb = -0.1262 ...

Q: Draw the Mechanism for the Reaction of an Anhydride with an Alcohol.

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Q: Write the condensed structural formulas for two alkenes and one alkyne that all have the molecular f...

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Q: Give reasons :(i) Transition metals show variable oxidation, states.(ii) Actinoids show wide range o...

A: (i) Transition metals show variable oxidation states: The transition metals are the elements having ...

Q: Help!!!

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Q: Pyruvic acid is formed in the body from carbohydrate metabolism. In muscles, it is reduced to lactic...

A: The glycogen is decomposed into glucose and pyruvic acid during metabolism. This pyruvic acid, in tu...

Q: You have a second-order reaction for B which has an initial concentration of 30.00 moles in 15.00 L....

A: If in the rate law of a chemical reaction, the sum of the orders, that is, the exponents of the conc...

Q: What is the trend in the size of the bandgap as you move down the column of the group 4A elements?

A: Band-In molecular orbitals of an atom the set of closely discrete energy levels is called as band. V...

Q: Show the spatial structure of the (2R, 3S) -2-bromo-3-chlorobutane molecule, Newman and Fisher proje...

A: Stereoisomerism is a special type of isomerism in which the atoms are attached with the same connect...

Q: To prevent the presence of air, noble gases are placed over highly reactive to act as inert "blanket...

A: The partial pressure of a gas in a mixture of gases is equal to the total pressure multiplied by the...

Q: What do we mean when we say a reactant is in excess?

A: Concept introduction: Reactant are the species which react to each other and form product and it is ...

Q: Predict the mode of decay of xenon-118

A: Xenon is a noble gas has an atomic number 54 and mass number 131. Isotope of xenon , 118Xe54 undergo...

Q: Draw the Lewis structure of the molecule. What do you predict for the bond order of the C¬S bonds?

A: Lewis structures (also known as  electron dot structures) are diagrams that represent the valence el...

Q: Write the condensed structural formula for the product of the hydrogenation of 3-methyl-1-pentene.

A: Hydrogenation is a reduction of alkene in which hydrogen atom is added across the double bond of car...

Designing a Synthesis

Organic synthesis is a branch of chemical synthesis that involves the planned construction of organic compounds/molecules from smaller units that possess functional groups. Friedrich Wöhler was the first scientist who designed the synthesis of an organic compound, urea from inorganic starting materials silver cyanate with ammonium chloride via a simple, one-step synthesis.