The ?a of a weak monoprotic acid is2.72×10−5. What is the pH of a 0.0751 M solution of this acid?

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Q: (a) 2 Mg(s) + O2(g) → 2 MgO(s) kJ (b) 2 SO2(g) + 02(g) → 2 SO3(g) -139.9: kJ (c) 2 C,H2(g) + 5 02(g)...

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Q: Cl CI CI

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Q: For the following unbalanced DR reaction, write out 1. the overall reaction including reactants and...

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A: 3Cu + 2H3PO4>>>>Cu3(PO4)2 + 3H2

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Q: slion ith an initial concentration of 0. 3166 M. cOci, (g) → co (g)+ Cl, (g) -10 K = 2.2 × 10 the re...

A: ICE table    COCl2 CO Cl2 I 0.3166 0 0 C -x +x +x E 0.3166-x x x Kc = [Cl2][CO]/[COCl2] ...

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A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: Silicic Acid structure is this: The pK,s are: 9.83 and 13.1 он но - si- он OH Draw each acid reactio...

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Q: For a certain reaction, the frequency factor A is 3.7 x 10° s1 and the activation energy is 18.3 kJ/...

A: Given, Frequency factor (A) = 3.7 × 109 s-1 Activation energy (Ea) = 18.3 kJ/mol = 18.3 × 1000 J/mol...

Q: Which of the following solutions is a buffer system? 0.10 M HI and 0.10 M K 0.10 M HF and 0.10 M KI ...

A: A buffer solution is a solution that resists change in pH  even upon the addition of small amount of...

Q: The rate of a certain reaction is given by the following rate law: rate = k[NO]°[0,] Use this inform...

A: Order of reaction is the power raised to the concentration.

Q: 18 Estimate the difference between ΔHreaction and ΔUreaction (in kJ/mol) for the reaction: 6Li(s) + ...

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Q: expleain Humidification and dehumidification mass transfer operations with suitable example and indu...

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Q: Assign the correct stereochemical configurations to each of the chiral centers in 1-bromo-2-chlorocy...

A: Assign stereochemistry of the given structure--

Q: [Review Topics [References) Acyl transfer (nucleophilic substitution at carbonyl) reactions proceed ...

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Q: Enter your answer in the provided box. Given the same reactant concentrations, the reaction CO(g) + ...

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Q: a 0.55 M solution of a monobasic compound B has a pH of 11.32, what is the Kb value of the base B

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Q: Give the IUPAC name for this coordination compound. [Cr(H, O),CIJSO4

A: Write IUPAC name of the given coordination compound-

Q: Enter your answer in the provided box. Given the same reactant concentrations, the reaction Co(g) + ...

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Q: For the reaction CaO(s) + CO2(g) CACO (s) %3D 4.1 X 103 ΔΗΟ -42,500 – 0.66 T + 2.155 X 10-3 T² + T F...

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Q: Chemistry Find pH of a 1.00L solution containing 0.180 mol CICH2COOH, 0.020 mol CICH2COONa, 0.080 mo...

A: Here we are given a buffer solution of chloroacetic acid and it's conjugate salt. In this strong aci...

Q: Consider the substitution reaction shown below. By what mechanism will the reaction proceed? NaCN Br...

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Q: NaCN 1. LIAIH4 (f) Br A B 2. Н2о 1. LIAIH4 (g) 2. Н2о (h) `NH2 HCI ZI

A: ->LiAlH4 is reducing agent which can reduce cyanide to amine and amide to amine.  

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Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate cons...

A: Given-> 2HI(g) --> H2(g)+ I2(g) Rate constant (K)= 0.0085 M.s^-1 Volume = 2.0 L Millimoles of ...

Q: What volume of 0.220 M HBr solution (in mL) is required to obtain 0.0600 moles of HBr? A) 3.67 L B) ...

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Q: Write the reaction rate expressions for the reaction below in terms of the disappearance of the reac...

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Q: Determine the Kb for a base by constructing an ICE table and using this information to construct and...

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Q: e two structures sho

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Q: Write the ground state electron configuration (with a noble gas core of [He], [Ne], . . . , ) of an ...

A: ground state electron configuration of P- Total number of electrons in P- : 16

Q: Saccharin, a sugar substitute, is a weak acid with pKa = 2.32 at 25°C. The % ionization in a 0.10 M ...

A: We have to calculate the pH of the solution   

Q: Part D: Enthalpy change for the neutralization reaction of CH3COOH(aq) and NaOH (aq) 1. Mass of CH3C...

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Q: Calculate the pH at the equivalence point for the titration of 0.150 M methylamine (CH, NH,) with 0....

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Q: K for the reaction of hydrogen and iodine to produce hydrogen iodide. H2(g) + I2(g) 2HI(g) is 54.3 a...

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Q: The combustion of 1.876 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from ...

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Q: The pH of a 0.46M solution of propanoic acid (HC,H,O,) is measured to be 2.60. Calculate the acid di...

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Q: Enter your answer in the provided box. The reaction 2A B is first order in A with a rate constant of...

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Q: Calculate the pH of a 0.87 M methylamine solution.

A: pH of solution is defined as negative logarithm of hydrogen ions. 

Q: The pattern of sunny and rainy days on planet Rainbow is a homogeneous Markov chain with two states....

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Q: 3. A 0.997-gram sample of chromium combines with 0.179 grams of nitrogen to form a binary nitride co...

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Q: Astaxanthin, the molecule shown below in the green box, is a natural product responsible for the pin...

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Q: QUESTION 21 Salute used in ecid-bese analysis • HCI O Vinegar O NaOH о снзсоон phenolphthalein

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Q: catalytic hydrogenation.

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Q: 2. Calculate the molality of a 35.4 percent (by mass) aqueous solution of phosphoric acid (H3PO4). T...

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