Chemistry Question

Q: A monoprotic weak acid, HAHA, dissociates in water according to the reaction HA(aq)+H2O(l)−⇀↽−H3O+(a...

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Q: [ 19] What is major product of following sequence of reaction ? Hg(OAc)2 NABH4 AICI3 H20 Он он ОН Он...

A: The major product in the sequence of the reaction has to be found.  

Q: What is the Ksp expression for the dissolution of AgBr?

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Q: Q29. Which of the following pairs of compounds are gcomctric (trans/cis) isomers? H. H. H-C C-C H. H...

A: Geometrical isomerism: Geometric isomerism is a form of isomerism in which two substances have the s...

Q: Determine the pH of a 0.62 M NH 4NO 3 solution at 25°C. The Kb for NH 3 is 1.76 x 10 -5.

A: Given: 0.62M NH4NO3

Q: If the Ka of the conjugate acid is 2.78 × 10-7 , what is the pKb for the base

A: Based on Bronsted theory, whenever a base accepts a proton that is H+, the formation of conjugate ac...

Q: When aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H...

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Q: which statement is not true? 1. the boiling point of a liquid increases as the atmospheric pressure ...

A: Since the boiling point is basically that point where the pressure of atmosphere becomes equal to th...

Q: A 0.1 M solution of has a pH = 7.0 A. KF B. NaF C. NANO3 D. Na2S E. NH4CI

A: The given pH of the salt solution is 7.0, which is neutral. Thus, the salt which upon hydrolysis pro...

Q: Consider two cells, the first with AlAl and AgAg electrodes and the second with ZnZn and NiNi electr...

A: The electrochemical cell that generates electrical energy by using any chemical reaction is stated a...

Q: Draw the cis and trans isomers of 2-butene, CH,CHCHCH,. Show all hydrogen atoms. 3• cis-2-butene tra...

A: The cis and trans isomers of 2-butene is shown below 

Q: Carbonic acid, H 2CO 3, is a diprotic acid whose Ka1 = 4.3 x 10 - and K a2 = 5.6 x 10 -11. Determine...

A: Using given Ka1 value first the concentration of HCO3- is calculated.

Q: Write a balanced net ionic equation to show why the solubility of AlPO4 (s) increases in the presenc...

A: The balanced reaction of the salt, AlPO4 (s) with strong acid which shows that solubility increases ...

Q: (a) Give an acceptable name for each compound, (b) Draw the organic products formed when A or B is t...

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Q: Draw the product formed from a Michael reaction with the given starting materials using −OEt, EtOH.

A: The reaction in which an enolate ion of one carbonyl compound undergoes conjugate addition reaction ...

Q: During the metabolism of glucose, glyceraldehyde 3-phosphate is converted to dihydroxyacetone phosph...

A: Please find below the stepwise mechanism for this reaction in the presence of acid

Q: Calculate the volume (mL) of 0.100M H3PO4 required to neutralize 25.0 mL of 0.010M Ca(OH)2 .

A: Neutralization between acid-base always occurs as per reaction's stoichiometry of that chemical equa...

Q: When both carbons ortho to the aryl oxygen are not bonded to hydrogen, an allyl aryl ether rearrange...

A: ANSWER- The above reaction is an example of Claisen rearrangement. Claisen rearrangement - It is a ...

Q: The isomerization reaction shown here is temperature dependent. Given the starting material and the ...

A: A reaction is said to be in equilibrium if the rate of forward reaction is equal to the rate of the ...

Q: How many Chiral centers are there in a molecule of ethanol ? CH3CH2OH

A: Since in ethanol we dont have any carbon which is attached to all 4 different substitutes  hence the...

Q: Silver tarnish is the result of the oxide on the silver surface reacting with hydrogen sulfide (H2S)...

A: Dear student! As per the honor code we only answer up to 3 subparts, we will answer the first three....

Q: The Ksp of AgI is 8.5 ´ 10–17 at 25 °C. Calculate the molar solubility of AgI in 0.0045 M KI(aq) at ...

A: answer : KI is a strong electrolyte, so it will be present in a completely dissociated form in solut...

Q: What type of salt is NH 41? A. neutral B. acidic C. basic

A: The corresponding acid or base can be predicted from a particular salt by the hydrolysis of salt. Th...

Q: MISSED THIS? Read Section 18.2 (Pages 788 - 799) ; Watch KCV 18.2B, IWES 18.2, 18.3. A 100.0-mL buff...

A: Given: A 100.0 mL buffer solution contains 0.175 M HClO and 0.150 M NaClO.

Q: How many grams of solute are needed to prepare each of the following solutions?   1.1.00 L of 0.195 ...

A: Mole is the amount of the substance that contains the same number of particles or atoms or molecules...

Q: formic acid is used to make methyl formate. what is the pH of a .12 M solution of formic acid? what ...

A: The ionisation reaction of formic acid is given by  HCHO2 ----> H+ + CHO2-                       ...

Q: Carbonic acid, H 2CO 3, is a diprotic acid whose Ka1 = 4.3 x 10 -/ and K ions in a 0.18 M H 2CO 3 so...

A: Concept introduction Diprotic Acid- An acid which has two protons for donation in simple words it co...

Q: A solution has a hydroxide concentration of 0.168 M. Calculate: a. pH b. pOH c. [H^+]

A: [OH-] = 0.168 M pOH = -log[OH-] = -log [0.168]          = 0.77  

Q: A sample of 17.1 g of solid with molar mass 71.9 g/mol is dissolved in 331 g of water initially at 2...

A: Indroduction : Heat is lost due to the dissolution of the salt in the water . So the enthalpy change...

Q: The skeleton structure of atomic chain in 2-aminoacetaldehyde (NH2CH2CHO) is N–C–C–O . The complete ...

A: Lewis structure represents the valence shell electrons in a compound. It shows the distribution of e...

Q: Consider the following redox reaction. 3Na+(aq)+Al(s)-->3Na(s)+Al3+(aq)   Calculate E, delta G, a...

A: The equilibrium constant can be written as the ratio of concentration of products to the concentrati...

Q: Enzymes are ____________ meaning they bind only to a __________ molecular shape to catalyze a specif...

A: Biological catalysts that faster the biochemical reactions occurring inside human body are called en...

Q: 4. Calculate the number of moles for a gas at a pressure of 795 mm Hg, a temperature of 298 K, and a...

A: Since as per ideal gas law PV = nRT  where P = pressure in atm  V = volume in L = 1.5 L (given) n = ...

Q: A tank of nitrous oxide (N2O) used as an anesthetic has a pressure of 48 psi. What is that pressure ...

A: Since 1 psi = 6894.76 pascals Hence 48 psi = 48 X 6894.76  = 330948.48 Pa Since 1 atm = 101325 Pasca...

Q: Identify the change of state occurring in each situation. your friend's perfume producing an aroma...

A: 1) Your friend's perfume producing an aroma that fills the room : Evaporation 2) Making ice cream fr...

Q: It took 24.37 mL of 0.1224 M NaOH to reach the endpoint when titrating a sample containing 0.1650g o...

A: Since moles of solute = molarity of solution X volume of solution in L  Since 0.1224 M solution of N...

Q: [ 21] What is major product of treating following compound with hot concentrated potassium permangan...

A: Since on treatment with concentrated KMnO4 solution in acidic medium, all the carbon which are direc...

Q: Even though B contains three ester groups, a single Dieckmann product results when B is treated with...

A: Generally, in Dieckmann condensation reaction, the base abstracts the acidic proton from alpha C of ...

Q: A surface ocean current has a flow rate of 6.9 x 107 m3 per second.  The current is 105 km wide by 9...

A: The surface area of the ocean current can be calculated as follows-

Q: Lysine is an amino acid which has the following elemental composition: C, H, O, N. In one experiment...

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Q: 5.38

A: The energy which is transfer into or from the thermodynamic system is known as heat. First law of th...

Q: The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C i...

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Q: 4. Predict the principal organic product for the following reaction. you excess of NaBH4 CH,OH 5. Pr...

A: Hey since you have posted multiple questions posted we will answer the first question. If you want a...

Q: The molecular weight of glucose is 180.16 g/mol. Say you want to make 100 ml of a 0.6M solution of g...

A: Molarity is defined as the number of moles of solute per litre of solution which can be formulated a...

Q: The density of an aqueous solution  containing 10%(w/w) of ethanol is 0.985g/ml. Calculate the molal...

A: Given, Density of ethanol solution = 0.985 g/mL % of ethanol in the solution = 10 % (w/w)

Q: Hi, Complete and balance the following equations representing neutralization reactions: HF + Mg(OH)2...

A: Neutralization reaction:

Q: A sample of hydrogen gas was collected by displacement of water in a large gas buret. The total pres...

A: Given, Total pressure = 764.2torr. Temperature = 23.0oC. Volume of gas = 511mL. Vapor pressure of wa...

Q: 5.44 (a) and (b)

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Q: For a photon of electromagnetic radiation, Energy and wavelength are  ..

A: The relationship between energy and wavelength is given by an expression,