diffusion

Q: what is the broglie wavelength in nm of an electron traveling at a velocity of 2.61 x 10^7 m/s

A: just apply the Debroglie formula and put mass of the electron= 9.1*10-34 kg

Q: 23. Polyprotic Acids: Write out the formation of the three conjugate bases for H,PO,. When it dissoc...

A: The question is based on the concept of acid and bases. we have to write step wise dissociation of p...

Q: A 1.00 M solution of which electrolyte will have pH = 7.00 at 25 C? I. CaBr2 II. NHẠNO3 III. LICN IV...

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Q: Calculate [OH-] given [H3O+] in each aqueous solution and classify the solution as acidic or basic o...

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Q: Strong base is dissolved in 715 mL of 0.400 M weak acid (K, = 4.75 x 10-5) to make a buffer with a p...

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Q: What volume of 12.0 M hydrochloric acid is needed to prepare 1L of approximately 0.2 M HCl?

A: When a concentrated solution of molarity M1 and volume V1 is diluted by adding water to a solition o...

Q: Write down the answer her.

A:

Q: Chemistry Question

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

Q: Iron ore is reduced to pure iron by smelting, during which the iron (III) oxide in the ore reacts wi...

A: The reaction taking place is given as, => Fe2O3 (s) + 3 CO (g) --------> 2 Fe (s) + 3 CO2 (g) ...

Q: INHZ H2SO4

A: Ethylamine is a potential nucleophilic base which attacks on electron deficient centers.H2SO4 genera...

Q: You are working in a lab and someone has just handed you a beaker filled with 110 ml of a mysterious...

A: pH of a buffer is calculated using Hasselbach Henderson equation: pH =pKa+log([Conjugate base][Acid]...

Q: What is the name of the reactant in the following reaction? Br xs HBr ether Ph Br 3-phenyl-4-hexene ...

A: It is also stated that, When a protic acid (HX) is added to an asymmetric unsaturated hydrocarbon, t...

Q: Can some please answer this question.

A: All the details  is explained in the handwritten solution.

Q: 2. What is the osmotic pressure (in atm) of a 0.884 M urea solution at 16°C?

A: Given: The concentration of urea=0.884 M Temperature(T)=160C=(16+273)K=289K      

Q: Based on your knowledge of acid strength, which correctly pairs each acis with its Gibbs Free Energy...

A: Answer:- This question is answer by using the ionisation of hydrogen halides as the acidic character...

Q: Predict the initial and isolated products for the reaction. H20 H,SO, Hg²* (cat.) Initial product Is...

A: Answer:- This question is answered by using the simple concept of chemical reaction of alkynes with ...

Q: Conyugated acid Conugated bese Famula ha Formula ha A NH 5.610o Q1- CH NH 14.4-109 HCO 2.2 10-8 Comp...

A: The complete table is given below :

Q: -N-C- 2.) H20

A:

Q: The ionic strength of a solution containing 0.3 M sucrose and 0.6 M sodium Phenobarbital (1:1) elect...

A: Ans Ionic strength is given by the formula (I)= 12MiZi2 where the M= concentration of the solution, ...

Q: As the temperature goes up, solids and gasses dissolve more easily into liquids.  True or False?

A: True

Q: You have a 3.0 L tank of oxygen gas at a pressure of 150 atm. What will the volume be if the pressur...

A: This question is checking the basic concept of Boyle's law or pressure - volume relationship. We kno...

Q: You are given four 400 mL beakers labeled #1, #2, #3, #4, four thermometers, and three hot plates. Y...

A: Once an ice is placed inside the beaker, it will start to melt slowly. By applying heat to the beake...

Q: Aflatoxin B1 is a carcinogen that damages DNA molecules. Given the molecular structure: Fill in the ...

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Q: 4. Molecular hydrogen gas was collected over water in a eudiometer at 25.0°C when the atmospheric pr...

A: Given data,Pressure of eudiometer=752mmHgPressure of water vapor=23.756mmHgTemperature=25oC

Q: During a titration, the pH of an analyte solution containing HA(aq) is 5.56 and the ratio of [A ]/[H...

A:                    

Q: Dilution was “the solution to pollution” for much of human history. What is the meaning of this expr...

A: Dilution was "the solution to pollution" for much of human history, when populations were small. Eve...

Q: 4) I asked this question before and got it wrong

A: Given : pH of Ca(OH)2 solution = 12.09  Assuming the concentration of Ca(OH)2 is y.  

Q: Please draw the products for the following wittig reactions

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Q: When C6H14 is reacted with Br2(g) in the presence of ultraviolet light, four different monobrominati...

A: According to our guidelines sir/madam, We are allowed to give the answers to the first three questio...

Q: Step by step arrow pushing mechanism. Lewis structures need to be drawn for everything. Include bypr...

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Q: Need help with this particular question. Please send work

A: Volume of NaOH is 9.0 mL Volume of crystal violet is 9.9 mL Molarity of NaOH is 0.019 M [ OH ] = ?

Q: Give answer all questions with explanation

A: Given reaction,    2 AgNO3(aq) + Pb(s)  →  2 Ag(s)  + Pb(NO3)2(aq)

Q: Which ion has 38 protons, 36 electrons? CO a. Kr ОБ. Sr Oc Sr24+ O C. O d. Kr2+ O e. Sr2-

A: Given that: No of protons= 38 no of electrons= 36  

Q: 11

A: ACIDS: AlCl3 ,  BASE: NaClO , 

Q: Synthesize the following compound The product is on the left, starting material is on the right Can ...

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Q: How many moles are in 15000 atoms of iron (Fe)?

A: Given :- number of atoms of iron = 15000 atoms  To calculate :- number of moles of iron

Q: answers clearly labeled as À, B, Č, Ď. Cl2, FeCl, major and minor products `NO2 A B AICI3

A:

Q: Question 1 If 85 mL of 0.548 M NaOH is diluted to a total volume of 152 mL, what is the molarity of ...

A: Given: The initial volume(V1)=85mL The new volume of solution(V2)=(V1+152)mL                        ...

Q: This spectrum matches which compound

A: I Think it is of last compound 

Q: estimate the temperature that one would have to heat 1 L of water to, starting at 0 °C, reversibly, ...

A: The given problem can be solved by using the formula given below as; ∆S=2.303 n Cp log T2T1         ...

Q: help which one is right

A:

Q: Synthesize the following compound The product is on the left, starting material is on the right Can ...

A: Ans

Q: Write dwn the answer her.

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Q: A 0.340 g sample of a monoprotic acid is dissolved in water and titrated with 0.200 M KOH. What is t...

A: x mol of monoacidic base is required to neutralize the x mol of monobasic acid.

Q: Of Nerolin "SN2 Preparation of Nerolin" Are you completing this experiment online? Yes Data Collecti...

A:

Q: HCI N H2O

A: This is an imine hydrolysis reaction.The product and the mechanism of this reaction is given in next...

Q: 13. 30 ml of 0.20 M NH,OH & 25 ml of 0.20 HCl are mixed. What is the pH? K = 1.8 X 10% Calculate the...

A: NH4OH is weak base and when it combines with limiting strong acid, HCl then a basic buffer is produc...

Q: Nitrogen gas can be prepared by passing ammonia over copper(II) oxide, and the other products are co...

A: by writing a balance equation , we can solve this problem.

Q: When 50.0 ml of 2.00 M HCL is mixed with 50.0 ml of 2.00 M NaOH at 24.5 C, the solution temperature ...

A: Calculation for the above question explained as follows