How many millimoles of NaCl are present in 25 mL of a 0.035M solution?

Q: A 0.4126-g sample of primary-standard Na₂CO₃ was treated with 40.00 mL of dilute perchloric acid.…

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Q: pH - 8.80 Express your answer using two significant figures. Enter your answers numerically…

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Q: Br FeCl, or AICI3 + Br2 HBr

A: In the given chemical reaction, the H atom of benzene is replaced by Br in the presence of Lewis…

Q: 10 Which of the following halogenated compounds can be used successfully to prepare a Grignard…

A: Here we have to determine the suitable alkyl halides that produce Grignard reagent and then…

Q: 3. Given that the barrier for rotation ("free rotation) about the C-C bond of ethane is 3 kcal/mol…

A: The rate constant for free rotation can be calculated using the Arrhenius equation.   Let the units…

Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the first…

A: A curved arrow in organic chemistry reactions starts from tail and ends up at head. Starting point…

Q: Give the clear handwritten answer .

A: Structure of Z-isomer can be drawn in the following way

Q: The normal boiling point of cyclohexane is 80.74 °C. At 20.00 °C, the vapour pressure of cyclohexane…

A: Given: Normal boiling point of cyclohexane is 80.74 oC And the vapour pressure at 20.00 oC = 0.1026…

Q: Solid lead(II) nitrite is slowly added to 125 mL of a 0.220 M ammonium iodide solution until the…

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Q: Which of the following activities makes accurate use of stoichiometry to plan for 1 s’more per

A: Ans : option B

Q: limiting reactant

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Q: How many grams of glucose are needed to prepare 400 ml of a 5% glucose solution? O 20g O 30.5g O 21g…

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Q: y moles of H

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

Q: 9. Calculate the concentrations of all species in a 0.002M solution of ascorbic acid. Additionally,…

A: Answer: Ascorbic acid is a weak organic acid with the molecular formula of H2C6H6O6.

Q: What are the physical properties of tris (butadiene) molybdenum?

A: Answer: The physical properties of tris (butadiene) molybdenum is as follows.

Q: If you have 1 mol Xe and 1 mol F2; how many moles of XeF2 can you create in the following chemical…

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Q: Based on the given titration curve, which acid could be involved in this titration? 14 12 10 pH 2.…

A: We can determine acid from nature of curve . The number of equivalence point tell about number of…

Q: O A way to measure the Ksp of an ionic compound is to redre the metal cation and measure the cell…

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

Q: Vhich one of the following pairs is not a conjugate acid-base pair? O A. OH"/02- H2PO4/HPO4²- В. О…

A: Conjugate base is formed when one H+ is removed from acid .  Hence, there is difference of one H+ in…

Q: Measurements Golden eagles in the alps hunt from high altitudes. While hunting, eagles can reach…

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Q: 1.A vial of 133Xe gas is calibrated at 22 MCI at 6 a.m. on March 1st what is its activity at 6 p.m.…

A: Answer: Given data- 51 Cr sodium chromate standard solution contain 15 uCi/ ml when it was produced.…

Q: a The first four steps in the radioactive decay sequence of Po-218 are a, B, a, B. To write the…

A: Alpha decay involve emission of alpha particle.Alpha particle has mass number 4 and atomic number 2.

Q: How will you prepare 3.5 mL of 45 mM hydrogen peroxide from a 600 mM stock

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: Which of the reagents will be reacting with alkanes and cycloalkanes? A) Nucleophiles B…

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Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: The given redox reaction is as follows: F- + SnO32-  → F2 + SnO22- A redox reaction is balanced by…

Q: What are possible starting.points of an arrow in an organic reaction? A A chemical bond B An atom C…

A: Organic reactions can be defined as the reactions that involve organic compounds. Organic  reactions…

Q: Please show the reaction and NAME THE ESTER FORMED for the following: 1) Valeric acid + n-pentyl…

A: Since we know that ester formation with the help of acid and alcohol in acidic medium...here OH of…

Q: TQhB66q?1oB O CHEMICAL REACTIONS Percent yield of chemical reactions OOOC 15 quid octane…

A: Given : We have to calculate the percentage yield.

Q: II. Draw the structural formula of the following: 1. 2,4-Diethyl-2-pentene 2. 4,5-Dibromo-2-hexene…

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Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: Grignard reagent reaction with carbondioxide gives carboxylic acid as a major product... Here…

Q: 4. How many milliliters of 0.200 M NH2OH are needed to react with 12.0 mL of 0.550 M FeCl3? FeClk +…

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Q: The vapor pressure of pure water at 850C is 434 torr. What is the va pressure at 850C of a solution…

A: Given : We have to calculate the vapor pressure of solution.

Q: Time (min) Temperature (°C) 25.00 1 21.70 20.150 18.70 4 17.50 16.80 15.60 7 13.40 8 11.90 10.50 10…

A: Answer: This question is based on the understanding of the phase change of substances.

Q: structure of nucleoside

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Q: 8.42c Br The transformation above can be performed with some combination of the reagents listed…

A: More hinders base like tbuok give less hinderd alkene

Q: To lower the concentration of a solution, we use the process of dilution, or adding more solvent to…

A: 1.MinitialVinitial = MfinalVfinal

Q: Titration of the I2 produced from o.1187 g of primary- standard KIO3 (Molar Mass= 214.0o g/mol)…

A: Please find your solution below : Molarity is a measure of concentration which is defined as the…

Q: nnotate the IR spectra by labelling the major peaks and labelling the corresponding functional…

A: To annotate the IR spectra by labelling the major peaks and labelling the corresponding functional…

Q: regarding voltaic cell is true  a. produces electrical current from a nonspontaneous chemical…

A: Voltaic cell is a device which is used to convert chemical energy to electrical energy due to…

Q: What is the chemical equation representing the titration reaction?

A: A) As here , acid is HCl and base is NaOH , and both are strong in nature , so the reaction they…

Q: Number of lolecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry…

A: Here we have to find the no.of valence electrons , formal change , electron group geometry ,…

Q: B. If 4.04 g N combine with 11.46 g O to the molecular formula (MF) of this ce 9. A compound with a…

A: Mass of N = 4.04 g Mole of N = 4.04/14 = 0.289 mol Mass of O = 11.46 g Mole of O = 11.46/16 = 0.716…

Q: Match the point in a titration to the pH range Equivalence point of a strong acid/strong base…

A: EQUIVALENCE point is where the concentration of acid and base is equal

Q: Write the reaction for the right half-cell as a reduction and provide its standard reduction…

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Q: 0Which pair of the cyclic ions is "anti-romatic"? c 2) D. E a) A and D (b) B and C 2 Which two…

A: When the organic species contains 4n (n=1,2,3,...) number of π electrons then it is called…

Q: changes will affect the equilibrium for each equation below: Increasing the temperature Decreasing…

A: Effect on equilibrium is determined by Le-Chateleir principle. By increasing temperature,  in…

Q: Complete (IF NECESSARY) and balance the following equations, then use oxidation numbers to explain…

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Q: a 22.1 ml sample of 0.506M formic acid is titrated with 0.506M NaOH. Calculate the pH after the…

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Q: In the standardization of HCl using pure anhydrous sodium carbonate as primary standard for methyl…

A: Given :  Volume of HCl = 1.0 ml  Mass of Na2CO3 = 0.05 g  Molar weight of Na2CO3 = 106

Q: Which reagent does this IR belong to? 1. toluene 2. p-xylene 3. 1,4-dimethoxybenzene 4. mesitylene…

A: A question based on IR spectroscopy that is to be accomplished.