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Q: (a) A piston at 5.4 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to ...

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Q: Dilution A chemist must dilute 75.7 ml of 2.28 mM aqueous copper(II) fluoride (CuF ,2) solution unti...

A: To solve this problem we will use the equation  M1V1 = M2V2  Here M is the concentration and V is th...

Q: If 20.60 mL  of 0.0450 M  KMnO4is required to titrate a 0.500 g  sample of K3[Fe(C2O4)3]⋅3H2O,⋅what ...

A: The iron salt  K3[Fe(C2O4)3]⋅3H2Ois titrated with permanganate (MnO4) to determine the amount of oxa...

Q: I am still so confused on this question, can someone please explain? Thank you so much

A: lowest energy conformer :

Q: 1. Sort the following molecules into the quadrant in the chart shown below that best describes them....

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: Please help :)

A: In the 1,3-disubstitution pattern (whether it is dimethyl or any other 1,3-dibsubstitution), both gr...

Q: D.CoHol?)>Cesyt Hz cqj e PBrg (2) > Py (s) + Brzli) e.

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Q: For which of the follOwing ions are resonance structures necessary to describe the bonding adequatel...

A: Solution- Anwer of this quetion is option a ; This compound bonding and properties can not be explai...

Q: AgNO3(aq)+Na2SO4(aq) complete ionic and net ionic equations

A: The complete balanced molecular equation for the process is given below : 2AgNO3(aq)  +  Na2SO4(aq) ...

Q: What is the pH of a buffered solution that contains 0.25 M NH3 and 0.22 M NH,CI?

A: Given data Concentrations of  [NH3]=0.25 M[NH4Cl]=0.22 M Standard value pKb (for NH3) =4.75 Dissocia...

Q: Provide reagents needed to carry out the multi step synthesis

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

Q: The rate law of the elementary reversible reaction CO + 2H2 < - > CH3OH is k [ Cco CH2 - K Cc...

A: Given: The reversible reaction is:CO +2H2 ⇌ CH3OH 

Q: O ATOMS, IONS AND MOLECULES Deducing the ions in a polyatomic ionic compound from its. Complete the ...

A: Formula of an ionic compound is formed by criss-crossing the valencies of ions (cation and anion).

Q: Predict products, reagents, starting material for reactions below

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Q: A chemist prepares a solution of barium acetate BaC2H3O22 by measuring out 52.6g of barium acetate i...

A: Number of moles = mass/molar mass  Molarity = moles/volume of solution(in L)

Q: What would be the final product, F, of the following sequence of reactions?

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Q: Given that the freezing point of water is 0.0∘C at 1 atm and the freezing point depression constant ...

A: Given that: Freezing point depression constant = 1.86°Cm The freezing point of water = 0.0°C at 1 at...

Q: If 94.1g Cr are reacted how many grams Cr2O3 will be formed? Pertaining to 4Cr + 3O2 > 2Cr2O3

A: We can determine the moles of Cr2O3 that can be formed from Cr according to the balanced equation, a...

Q: 6.) For the hydrogen atom - consider the following transitions: 1. n = 4 to n = 32. n = 4 to n = 23....

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Q: Before we did any calculations we could predict the sign on the entropy change of the surroundings w...

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Q: atom or ion? check all that apply number of number of electrons symbol protons

A: The question is based on the concept of atomic structure. We have been provided  protons, neutrons a...

Q: questions in the image. please answer all.

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

Q: What is the uncertainty of the position of the bacterium? Express your answer with the appropriate u...

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Q: Which of the following correctly describes the relationship of the molecules shown to Compound A? HO...

A: B- MESO C- DIASTEREOMERS D- DIASTEREOMERS

Q: A mixture containing 2.13 g each of CH4(g), C2H4(g) and C4H10(g) is contained in a 1.50 L flask at a...

A: To solve this problem we will use Ideal gas equation  PV = nRT  Where , P = pressure                ...

Q: Write condensed electron configurations for the following atoms and ions, using appropriate noble-ga...

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and...

Q: The human eye can detect 2.45 x 10 -18 J of green light of a wavelength 520 nm. What are the number ...

A: Dear student I have given answer to your question in the image format.

Q: 7.) For the hydrogen atom - consider the following transitions: 1. n = 4 to n = 32. n = 4 to n = 23....

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Q: 3- Describe the preparation of 400 ml. of 6 F H,PO, from the commercial solution which is 85% (w/w) ...

A: We will first calculate the molar concentration of the concentrated reagent, and then calculate the ...

Q: A chemist makes 730.mL of potassium dichromate K2Cr2O7 working solution by adding distilled water to...

A: Given Values Final volume of working solution (V2 ) = 730 mL Initial volume of stock solution(V1 ) =...

Q: Which compound contains both ionic and covalent bonds? a) NaCN b) NaCl c) HCl d) CO2 e) SO2

A: Covalent bond: between non-metals Ionic bond: Between metal and non-metal

Q: Calculate the enthapy AH for the reaction of: C2H2(g) + O2(g) → CO2(g) + H20(g) Note: Balance the eq...

A: Balanced  chemical equation    2C2H2 (g)+ 5O2 (g)→ 4CO2(g) + 2H2O(g) Entalpy of reaction  C2H2 (g)= ...

Q: Study the absorption spectrum. What does the dishcloth consist of? Clues: natural polymer

A: Here the question is incomplete, but i tried to define this on general basics. If you want the compl...

Q: 2. Complete the flow chart shown below by filling in the empty boxes with the dominant mechanism tha...

A: rhe flow chart as follows:

Q: Calculate the concentration of the chemist's working solution.

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Q: What hybrid orbitals are involved in the bonding in BeF2?

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Q: If 15.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at constant temperature. What is the ...

A: Boyle's law:  According to Boyle’s law, the absolute pressure exerted by a given mass of an ideal ga...

Q: Label the equivalence point on the graph of pH versus volume of the titration of a strong acid and s...

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Q: 9.) For the hydrogen atom - consider the following transitions: 1. n = 4 to n = 32. n = 4 to n = 23....

A: Correct Ans -3. n= 4 to n = 1

Q: dentify the compounds below that cannot be made via a direct Friedel-Crafts alkylation but can be ma...

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Q: For butane, the ∆H° of vaporization is 22.4 kJ/mol and the ∆S° of vaporization is 82.3 J/mol･K. At 1...

A: Gibb's free energy is the maximum work that can be obtained at constant temperature and pressure. Th...

Q: write the name of the following compound  CH (three bonds) CC three bonds CH

A: select the principle carbon chain  numbering  name (prefix + word root + suffix)

Q: I need help with question 1 and 2

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Identify the conjugate acid for each base. conjugate acid of H 2 PO 4 ^ - : conjugate: acid of S^ 2-...

A: 1). conjugate acid of H2PO4- = H3PO4 2). conjugate acid of S2- = HS- 3). conjugate acid of NH3 = NH4...

Q: Ka for HCIO2 is 3.5 x10-8. Calculate K, for ClO? 2.9 x10-8 2.9 x10-7 3.5 x10-7 О 3.5 х10-15 3.5 x10-...

A: Ka = 3.5 × 10-8  Kb = ? 

Q: Consider the thermodynamic quantities E, 9, and w. Which of these quantities are state functions?

A:   Examples of state functions ΔΗ,-ΔG ,ΔΤ Examples of path functions - work (w) - heat (q) Thermodyna...

Q: A chemist must dilute 87.0mL of 8.34mM aqueous calcium sulfate CaSO4 solution until the concentratio...

A: mmoles of standard Solution = ( volume • concentration )  Note : 1mM = 10^-3 M  mmoles of standard S...

Q: A covalent bond is the result of the __. A) overlap of a half-filled s orbital and a half-filled ...

A: Overlap of orbitals are formed covalent bond . it will either sigma bond or pi bond and both are cov...

Q: An average volume of 15.52 mL of HNO3(ag) is required to titrate a 250.00 mL of Ba (OH), which has a...

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