How many grams of calcium hydroxide are needed to completely neutralize 75 g of hydrobromic acid?

Q: Cadmium metal can be prepared by electrolysis of its aqueous salts   A. True   B. False

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Q: Consider the following data for osmium: g 190.23 mol atomic mass electronegativity 2.20 kJ 106.1 mol…

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

Q: 3-Calculate the molar mass of HCIO,. 45.5 g/mol 145.5 g/mol 100.5 g/mol 65.8 g/mol

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Q: R The following pictures represent aqueous solutions of binary acids of the type HA where the water…

A: According to arrhenius concept : Acids are the species that dissociates to give hydrogen ion (H+) or…

Q: How many moles of electrons are required to produce 18.1 g of potassium metal from a sample of…

A: We are hereby asked that how many moles of electrons are required to produce 18.1 g of potassium…

Q: Consider the reaction CO(g) + Cl2(g)- →COCI2(g) Use the standard thermodynamic data in the tables…

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Q: Rank the following substances in order from most soluble in water to least soluble in water: ethane,…

A: The compounds given are ethane, 1-pentanol, lithium nitrate and propane.

Q: Question 21 of 25 Submit Consider the equilibrium system described by the chemical reaction below.…

A: Kp = kc (RT)∆ng

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A: The correct statements are : 2) The partial positive region of water molecules are attracted to…

Q: A solution with a known concentration equal to 3.4 mM gave an absorbance reading of 0.820 in a…

A: Given the absorbance corresponding to 3.4 mM concentration = 0.820  So C1 = 3.4 mM and A1 = 0.820

Q: coulombs are required

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Q: value of the equilibrium constant,

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Q: Radio station KRED in Eureka, California, broadcasts electromagnetic radiation at a frequency of…

A: Given :- frequency of radiowaves = 84.3 MHz  To calculate :- wavelength (in m)

Q: Part A Which aqueous solution has the highest boiling point? O 1.25 M Ca(NO3)2 O 1.25 M KNO3 O 1.25…

A: When any non-volatile solute is added to pure solvent then its boiling point increases. this is…

Q: A student determines that an aqueous solution that contains 0.138 M potassium formate and 0.147 M…

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Q: What is the value of the equilibrium constant, K, at 25 oC for the reaction between the pair:…

A: Given,  Cr(s) + Fe2+(aq) ------> Fe(s) + Cr3+(aq)   E°Cr3+/Cr = - 0.74 V  E°Fe2+/Fe = - 0.44 V

Q: 0-5 HCN               Ka = 4.9 X 10-10                      HClO2             Ka = 1.1 X 10-2 The…

A: Buffer range is the range of pH which is used for the determination of the working of buffer…

Q: abel the conjugate acid-base pairs in each eqld HI + NH3=NH* +I b. HCOOH+ H2O=H;O* +HCOO c. HSO4…

A: Given that concentration of OH- is each solution as, a. OH- = 10-5 M b. OH- = 10-12 M We have to…

Q: Part D Complete previous part(s) Part E Find the percent dissociation of a 0.130 M solution of a…

A: Given: The concentration of the weak monoprotic acid = 0.130 M The Ka of the acid = 0.15 We have to…

Q: Question 7 of 20 Submit What is the pH of a buffer made from 0.350 mol of HBRO (Ka = 2.5 x 10-º) and…

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Q: How long (in hours) must a current of 4.61 amps be passed to produce 79.5 g of copper metal from a…

A: Given:: Current i= 4.61 A  Mass of Cu = 79.5 g  Molar mass of Cu= 63.55 g mol-1 Time t= ?

Q: The ___________ of the buffer system in human blood is present in excess.   weak acid…

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Q: Bromine (Br2) and fluorine (F2) gases react to form BrF5. Randall has 1 mole of Br2 and 1 mole of F2…

A: Given: Br2 and F2 are reacting to form BrF5. Moles of Br2 taken = 1 mol. Moles of F2 taken = 1 mol.…

Q: What is E°cell (in V) for a redox reaction that has ΔrG° = 300 kJ mol-1 at 25°C ? Assume 2 electrons…

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Q: For each of the following compounds, decide whether the compound's solubility in aqueous solution…

A: Each of the given compounds, Ba(OH)2, CaCl2, and KCl are almost completely soluble in water.  A…

Q: For A → products, time and concentration data were collected and plotted as shown. [A] (M) t (s)…

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Q: Bromine monochloride is synthesized using the reaction Br, (g) + Cl, (g) 2 BrCl(g) K, = 1.1 x 104 at…

A: The balanced reaction given is, => Given: Volume of flask = 193.0 L Mass of Br2 taken = 0.956 Kg…

Q: Which of the following statements are false for the time-of-flight mass spectrometer ? Light…

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Q: High-pressure ATR is used to analyze very hard sample.  True  False

A: Attenuated total reflection (ATR) spectroscopy is an analysis technique that utilizes the surface of…

Q: In the electrolysis of molten MgCl2, which product forms at the anode?

A: In the given redox reaction: Oxidation reaction: Removal of the electron. Reduction reaction:…

Q: Part E Find the percent dissociation of a 0.130 M solution of a weak monoprotic acid having Ka =…

A: Given : We have to calculate the percentage dissociation of weak acid.

Q: Given the data, calculate the average rate of reaction for each successive time interval. What is…

A: Given reaction is, 2 N2O5→  4NO2+O2 We have to find the average rate of reaction at each given time…

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Q: H2Oz, HO-S-CT, Ho- (Re

A: The mechanism of the above organic transformation is given below

Q: How many milligrams(mg) of oxygen would it take to oxidize 100 mg of Glucose(C6H12O6)

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Q: dou Hydration of OKymercuration-demercuration product of the acid-catalyzed hudration the follswing…

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Q: For the reaction CH4(9) + H20(9)3H2(g) + CO(g) AH° = 206.1 kJ and AS° = 214.7 J/K The standard free…

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Q: Estimate the freezing point of concentrated aqueous HCl, which is usually sold as a 12 M solution.…

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Q: Draw the major organic SN1 product for the reaction shown.

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Q: AG°ren kJ

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Q: Calculate the value of [OH] from the given [H3O*] in each solution and label the acidic or basic: a.…

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Q: Which of the following is the molecular formula for the salt of the magnesium ion and the propanoate…

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Q: Which of the following would not be found in the Law of Mass Action (expression for K) for this…

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Q: 15. Provide the missing maior product(s), showing stereochemistry where appropriate. Show one…

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Q: Two kinetics trials are performed at the same temperature with [S2O82-] held constant. The first…

A: For a reaction of type aA+bB--->cC +dD Rate law is written as Rate = k[A]x[B]y where x and y are…

Q: out the chemical reaction between the acetic acid in the vinegar and the sodium bicarbonate in the…

A: Vinegar contains generally 4% acetic acid.

Q: Determine the pOH of a 0.00598 M HCIO4 solution. O 11.777 O 6.434 O 2.223 O 3.558 O 7.566

A: Given that, 0.00598 M of HClO4 solution. We have to calculate the pOH of the solution. So, the…

Q: 2. Predict the products of the following oxidation-reduction reactions, but do not balance: (a)…

A: The answer is given below

Q: How do you draw the chemical structure of the following? 1. 2′-fucosyllactose…

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Q: Write the formula of the conjugate base of the Brønsted-Lowry acid, HCIO,

A: Given Bronsted - Lowry acid is HClO2  Bronsted Lowry acid => Substance which proton donar.