Br H20 1

Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of tota...

A: Given data: Two systems, each compound of two particles, represented by the circkes have 20 J of tot...

Q: Which structure is the stronger acid, A or B? Explain your answer. F Br A HO.

A: A is stronger acid than B.

Q: Part 1: Obtain mass of a liquid in a beaker using weighing by difference techniqueTrial 1 Trial 2 Tr...

A:

Q: Chemistry Question

A: The answer for first three parts are given below. Kindly post the other parts as separate questions

Q: Draw the products formed when ethylene oxide is treated with following reagent. [1] −OH; [2] H2O

A: Ethylene oxide is the simplest cyclic ether consisting of 1 oxygen atom and 2 carbon atoms.  The IUP...

Q: Ammonia is made from nitrogen and hydrogen. The enthalpy change in the reaction is -92 kJ/mole. The ...

A: In this reaction  One molecule of nitrogen and three molecules of hydrogen reacts to form two molecu...

Q: What is the mole fraction of commercial Concentrated hydrofluoric acid which is 55.0% HF by mass?

A: The concentration of the hydrofluoric acid is = 55.0% (by mass) The molar mass of HF is = 20.01 g/mo...

Q: Show how the following compounds can be synthesized from benzene

A: a) We can convert benzene to 1-(3-nitrophenyl)ethanone in two steps. First step is nitration and sec...

Q: 4) Penny sizes are the same before and after 1982. What can you say about the density ofpennies befo...

A: Penny sizes are the same before and after 1982, the density of pennies should have the same before a...

Q: Which of the following equations describe particle-like behavior? Which describe wavelike behavior? ...

A: The wavelength of the eave associated with any material particle was given by de Broglie. The de Bro...

Q: Which of the following is not a problem with linking an MS to HPLC? Select one: O a. The inorganic b...

A: HPLC means high performance liquid chromatography which is a type of column chromatography that take...

Q: Vinegar contains acetic acid and is used in salad dressings. What if acetic acid was a strong acid i...

A: Since you have posted multiple questions, we will answer the first question for you. Kindly repost t...

Q: Convert 643 milimeters to meters.

A:

Q: a. What two sets of reagents (each consisting of a carbonyl compound and phosphonium ylide) can be u...

A: Carbonyl compounds react with phosphonium ylide to form alkenes. This reaction is called as Wittig r...

Q: How many fluorine atoms are present in 5.56 g of C2F? Express your answer to three significant figur...

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

Q: Convert 5.05 centimeters to micrometers.

A: In this question, conversion has to be performed for between the units of length  Given: Length = 5....

Q: If a solution has a temperature of 355 K, what is its temperature in degrees Celsius? (please provid...

A: Temperature in Kelvin = 355 K

Q: Powerade is an example of Element? Compound? Homogeneous Mixture? Hetergeneous Mixture?

A: Consider taking a handful of mixed lentils in your hand, it forms a type of  heterogeneous mixture s...

Q: (i) (1) BH3 THF B (ii) H2O/HO (ii) Br SH Br2 (i) POCI, HO E CH2CH3 Pyridine (iv) (i) R2BH (ii) H2O2,...

A: Four Organic chemistry problems, which are to be accomplished.

Q: The volume of a certain bacterial cell is 2.56 m³. (a) What is its volume in cubic millimeters (mm³...

A: PART (A) Given Volume is 2.56 m3. We know that 1 m3 = 109 mm3 Hence 2.56 m3 = 2.56 x 109 mm3.

Q: Mention the number of hydrogen bonds between adenine and thymine.

A: Adenine, Thymine guanine and cytosine are the N bases present in DNA.  

Q: . A key step in the formation of sulfuric acid from dissolved SO2 in acid precipitation is the oxida...

A:

Q: what is the mass in grams of 125 iron atoms?

A: Given that: Number of iron atoms = 125 Atomic mass of iron =  55.845 g/mol  

Q: moles of an ideal gas were - ASSYS when c occed i

A:

Q: Explain the Examples of Enolates and Related Anions ?

A: The driving force is the formation of a carbanion which allows the shifting the electron density of ...

Q: Show you would use Grignard syntheses to prepare the following alcohols from the indicated starting ...

A: The synthesis of  cyclopentyl phenyl methanol from benzaldehyde has to be given,  

Q: An ion of platinum has a mass number of 195 and contains 74 electrons. How many protons and neutrons...

A: Given data: The mass number of platinum ion=195 Number of electrons present in platinum ion=74 To fi...

Q: 2.1 Use electronic factors (resonance and inductive effects) to rank the following compounds in orde...

A: Acidity of the compound will depend upon the tendency of a compound to donate its H+ ion.  Comparing...

Q: Explain why imidazolides are much more reactive than other amides in nucleophilic acyl substitution.

A: It is known that, imidazolides are much more reactive than other amides in nucleophilic acyl substit...

Q: A reaction vessel initially contains only 3.5 atm of N2O4. When the system reaches equilibrium accor...

A:

Q: A liquid has a Volume of 27.5 mL and a mass of 22.0 what is the density in g/mL?

A: The given data contains,   Volume =27.5 ml   mass =22.0 g  

Q: Write the complete and net ionic equation

A:

Q: a standard us postage stamp is 2.5 cm long and 2.1 cm wide. what is the area of the stamp in square ...

A:

Q: Q7

A: Given, Heat capacity of bomb calorimeter (Cp) = 8.10 kJ/C° ∆T= 1.6 °C The mass of acetylene = 0.26 g...

Q: Tritan is a polymer marketed to consumers looking for BPA-free products. Although the detailed struc...

A:   Tritan is a polymer marketed to consumers looking for BPA-free products. Although the detailed str...

Q: Rank the following compounds from easiest to hardest at removing a proton from its methyl substituen...

A:   The rank of the above compounds from easiest to hardest at removing a proton from its methyl subst...

Q: How to apply the laws of thermodynamics to chemical reactions ?

A: In any chemical reaction, heat of reaction can be calculated by applying . Hess's law based on 1st l...

Q: Write out the formaldehyde photodissociation reaction, showing Lewis-dot structures

A: The dissociation of a molecule through the action of light is termed as photodissociation.

Q: What starting materials are needed to prepare ar-turmerone using a directed aldol reaction? ar-Turme...

A: The given compound is ar-tumerone To find: The starting material which is used to prepare the given ...

Q: The reaction of the following cyclic ester with excess methyl magnesium bromide and water with the m...

A:

Q: A concentration solution of hydrochloric acid has a concentration of 1.202 (± 0.005) M. If 14.00 (± ...

A:

Q: Aqueous sulfuric acid  H2SO4  reacts with solid sodium hydroxide  NaOH  to produce aqueous sodiu...

A:

Q: Why should you add acid to water rather than add water to acid when preparing solutions?

A: The reaction in which heat is released is known as exothermic reaction while the reaction in which h...

Q: Calculate the standard potential for the following reaction at 25°C.            Cd(s) + 2Ag+(aq) ⇌  ...

A: The Ecell0 of the cell is given by the sum of oxidation half cell and reduction half cell.  

Q: Nitric Oxide (NO) reacts with oxygen gas to form nitrogen dioxide (NO=2) a dark brown gas:2NO(g)+O2=...

A: Given: The number of moles of NO = 0.871 mol The number of moles of O2 = 0.506 mol The balanced chem...

Q: Predict theλmax of the following compound:

A: It is given a molecule hex-1-en-3-one and its λmax value needs to be determined using UV-visible spe...

Q: Explain the Below fact ? A “better” resonance structure is one that has more bonds and fewercharges.

A: If a molecule can be represented by two or more electronic structures, each of which cannot explain ...

Q: Question attached

A: The amount of energy released per atom has to be calculated, Given, The balanced nuclear reaction is...

Q: Reaction of 3.48 g K2SO4 and 2.08 g BaCl2 with 3.48 g K2SO4 yields 2.2 g BaSO4. has been. Write the ...

A:

Q: Without referring to Table 14.1, label the proton or set of protons in each compound that gives the ...

A: The proton or set of protons in each compound that gives the signal at the lowest frequency a, at th...