PBr3

Q: Draw complete mechanisms with electron flow for the following reactions.

A: " Since there are multiple questions and it is not mentioned , which one is to be solved, iam solvin...

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A: Electrochemical cell is a cell in which electrical energy is produced by the help of chemical energy...

Q: Enones (a,B-unsaturated carbonyls) act as electrophiles. Consider the enone starting material given ...

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Q: Possible route of synthesis 1)Br2, H2O 2) H2SO4,H2O

A: The question is based on the concept of organic reactions.   We have to convert the reactant into pr...

Q: The titration of a polyprotic acid with sufficiently different pKas displays two equivalence points....

A: Polyprotic acid is the one that has more than one acidic proton available to react with base, that i...

Q: What is the pressure (in atm) in a 5.00 L tank with 17.00 grams of oxygen gas at 350 K?

A: Given: V = 5.00 L mass = 17.00 grams of oxygen gas T = 350 K

Q: (Standard addition) Tooth enamel consists mainly of the mineral calcium hydroxyapatite, Ca10(PO4)6(O...

A: Calcium hydroxyapatite: Enamel is an inorganic compound which is mostly composed of calcium and phos...

Q: How many grams of iron are needed to produce 13.0 L of hydrogen gas according to the following react...

A: To solve this problem first we have to calculate the number of moles of hydrogen gas . As the given ...

Q: Al(OH)3+H2SO4⟶?Al(OH)3+H2SO4⟶? How many grams of Al(OH)3 are required to completely convert 41.407 g...

A: In this question, firstly we need to complete and balanced chemical equation and after that we will ...

Q: How can the Percentage Composition be obtained from chemical formulas?

A: Percentage composition is given by, % composition = mass of the elementTotal mass of the molecule×10...

Q: List the phase changes a sample of ice would go through if heated to its critical temperature at one...

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Q: Please follow directions

A: Applying concept of organic reaction.

Q: Which of the following is a good conductor of electric current? plastic silver wood rubber

A:   • The materials which allow electric current to pass through them easily are called good conductor...

Q: Please answer A through C

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Q: Predict

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Q: (1) The radioactive isotope carbon-11 is used in medical imaging as indicated on the table above. In...

A: In addition to gamma radiation the mode of decay of carbon 11 is β+.

Q: What does the line separating the liquid phase from the gas phase represent?

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Q: (10 points) Complete the reaction scheme below. Show all reagents and intermediates. No reaction is ...

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Q: A sample of an unknown compound is vaporized at 120. °C. The gas produced has a volume of 2100. mL a...

A: The volume of the gas is = 2100 mL The pressure of the gas is = 1.00 atm The mass of the gas is = 2....

Q: Calculate the concentration of all species in a 0.15 M KF solution.

A: The constant Kb denotes the ionization of a base. The smaller the value of Kb for a base, the weaker...

Q: Chemistry Question

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

Q: CH3 КОН H3C CH3 CH3

A: Given a one molecules ketone and one molecules is aldehyde.  Ketone and aldehyde reaction of KOH is ...

Q: A gas sample occupies 200 ml at standard pressure (101.3 kPa). Calculate the volume it will occupy a...

A: Given: Initial Pressure, P1=101.3 kPa The initial volume, V1=200 mL Final Pressure, P2=91.0 kPA The ...

Q: Which two monosaccharides are joined by a glycoside linkage in lactose?

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Q: Glutamic acid exists in two low-pH forms instead of the usual one. Explain why.

A: The reason why glutamic acid is found in two low pH forms rather than usual one has to be explained.

Q: Photosynthesis is the process by which plants synthesize glucose from carbon dioxide and water. The ...

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Q: Pls help ASAP

A: In this equation, we want to determine the pH. How we can determine, I will give details Solution st...

Q: 5. Explain the effect of the IMFA on the properties of liquids and list at least two (2) examples of...

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

Q: Possible products of this reaction?

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Q: Pls help ASAP

A: Standard enthalpy of formation: The standard enthalpy of formation of a compound is the change of en...

Q: A sample of oxygen is collected over water at 19°C and 753 mm Hg in a 125-mL flask. The vapor pressu...

A: Given that: total pressure =  753 mm Hg vapor pressure of water = 16.5 mm Hg To find: partial pre...

Q: For the following reaction, provide the mechanism (Fisher esterification)

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Q: How many moles of H2SO4 are there in 191 mL of a stock solution that reads 0.601M ?

A: Interpretation -  To determine the number of mole of  H2SO4 are there in 191 mL of a stock solution ...

Q: Carboxylic Acid Resolve the reaction.

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Q: 14

A: Please refer to the attached picture.

Q: Question #37 needed

A: Applying concept of organic synthesis via organometallic reagent.

Q: Will the molecules in each set form a hydrogen bond between them? H,0 and CH,OH CH, and C,H, * (CH,)...

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Q: Calculate Keq for the following reaction below given the following information at 600K. Show all wor...

A: Equilibrium constant defines a ratio of concentration of product and reactant.  The characteristics ...

Q: A N atom has a shielding constant of 3.17 What is the nuclear charge of a valence electron in a N a...

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Q: A balloon at 22 °C has a volume of 3.12 L. You take the balloon outside on a hot day with a temperat...

A: Intial temperature = 22°c      ( 0°c = 273.15 K ) Intial temperature = 22 + 273.15 K Intial temperat...

Q: Given the following heats of formation, calculate the standard enthalpy change, H°rxn, for the combu...

A: Enthalpy change of reaction can be calculated after having balanced reaction and knowing that enthal...

Q: A 45.0-mL sample of 0.66 M HA (Ka = 0.00084) is titrated with 0.67 M NAOH. What is the pH of %3D the...

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Q: Possible route of synthesis to this reaction. Example: 1) Br2; H2O 2) H2SO4, H2O

A: Nitration is done first on benzene then bromination is done on nitrobenzene.  Nitro group is a meta ...

Q: Possible route of synthesis to this reaction

A: In this question, we want to Synthesized the Product by using best Reagents sequences.  How we can t...

Q: How is the equilibrium position of this reaction affected by the ADDING of SOa? 2 SO2 (9) + Oz (g) –...

A: Answer:- This question is answered by using the simple Le Chatelier principle which states that chan...

Q: 10.00 L of a gas is at 100 atm. What pressure is obtained when the volume is 10.0 L? 100 Kpa 100 atm...

A: Given :  Initial volume = 10.00 L Initial pressure = 100 atm Final volume = 10.0 L Final pressure = ...

Q: Write the following numbers in scientific notation:(a) 131,000.0         (b) 0.00047         (c) 210...

A: All number of digits in a number inclusive of the very last digit which has uncertain value is terme...

Q: Complete the following nuclear bombardment equation by filling in the nuclear symbol for the missing...

A: We have  given that the nuclear bombardment incomplete equation of Uranium-235. The complete equatio...

Q: Match the following to the relative amount of metallic character. A. most metallic B. intermediate b...

A: Metallic character, an atom is said to be metal if loss one or more electron when supplied the energ...