What are the components of the buffer solution when 0.15 mol H3PO4 is mixed with 0.05 mol NaOH? -1 H2PO4 only H3PO4 = H2PO41 O H2PO4-1 > H3PO4 -1 H2PO4 < H3PO4

Q: Platinum has a work function () of 6.35 eV. What is the longest wavelength of light, in nm, that wil...

A:

Q: 20) Which of the following statements is FALSE for the following equilibrium: 2CO(g) + 0:(g) = 2CO:(...

A: Which one of the following is FALSE...

Q: How can you determine the volume of a gas from the number of moles of a gas (at STP)? Use the patter...

A: Volume of helium gas = 89.6 L Molar mass of helium gas  = 4.0 g/mol  

Q: Lab 5. Counting Molecules 1. Fill in the table C12H22011 NH,CI Mass (g) 1.0015 1.0238 Molar Mass (g/...

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Q: Calculate the fluid intake in milliliters (mL) for the following food items. (Assume a soup bowl hol...

A: Choice (a) is correct 

Q: Calculate the separation between the two lowest energy levels for an N2 molecule in a one- dimension...

A: Given,  mass of N2, m = 28 amu                             = 28x1.6605x10-27 kg Length = 2 cm = 2x10...

Q: 5. Draw the plane in the unit cell, given the following Miller Indices of the plane. Indicate the po...

A: (3,-1,2) Miller indices has intercepts on (a3, -b, c2). The origin is represented as O.

Q: Question 6 Calculate the pH of 0.40 M NH3 solution, Kb = 1.8 x 10 M. pH = 11.6 pH = 11.8 pH = 11.2 p...

A: Concentration of NH3 = 0.40 M  Kb = 1.8 × 10-5 M  pH of NH3 solution = ?   

Q: Calculate the fluid intake in milliliters (mL) for the following lunch. (Assume a glass holds 8 oz.)...

A: 1 glass = 8 Oz  1 Oz = 29.57 mL

Q: Suppose a 500. mL flask is filled with 1.9 mol of NO3 and 0.50 mol of NO,. The following reaction be...

A: We have to predict the equilibrium concentration of NO3.  

Q: 3. For the reaction: Zn(s) + 2Ag*(aq) Zn+2(aq) 2Ag(s). a. Determine the standard cell potential. b. ...

A: For the reaction., Zn(s) + 2Ag+(aq) ---&gt; Zn2+(aq) + 2Ag(s) Eocell = Ecathode - Eanode Ecathode = ...

Q: CH3 CH3CHCHO

A:

Q: n nuclear reaction:

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: The rate constant for this first‑order reaction is 0.910 s−1 at 400 ∘C.   A⟶products How long, in ...

A: First-order reaction: The rate of the first-order reaction depends only on one reactant. According t...

Q: A student needs to prepare a buffer solution with a pH of 4.18. Assuming a pKa of 4.69, how many mL ...

A:

Q: 2. Consider the compound X-it has a Ka of 2.5 between ether and water, You are presented with 10 gra...

A: Kd = concentration of X in ether / concentration of X in water = (mass of X in ether / volume of eth...

Q: charge

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Q: 1. What mass of the following chemicals is needed to make the solutions indicated? a. 1.0 liter of a...

A:

Q: advantage(s)

A: In sudan III test, with the use of the wet chamber, it was observed that precipitates are formed dur...

Q: he wavelength in

A:

Q: assuming

A: According to the question, After 53.0 min, 16.0% of a compound has decomposed. We need to determine ...

Q: For each of the following acids or bases below a) Label the following acids and bases as strong acid...

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Q: Answer the following questions. _____1. Which of the ff you can use for mixing liquids? a) test tube...

A: 1) The tool which is used for mixing liquids is stirring rod. Therefore, the correct answer is optio...

Q: tetraammineplatinum(II) hexachloroplatinate(IV)

A: Given coordination compounds respective structures are written below

Q: Problem 2 Suppose you're characterizing three unknown gases, X, Y, and Z. Empirically, the van der W...

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Q: 1. An isothermal process is performed on 10 moles of an ideal gas. The gas temperature is 400 K. The...

A:

Q: /hat is the approximate pH of a solution X that gives the following responses with the indicators sh...

A: The correct option is:  

Q: Can you explain why did it have to be multipled to the boxed conversion factor.

A: Given:            Given mass (m) =  20 g NaCl             Volume of solvent = 2 L             Boilin...

Q: if you add acid or base to a buffer, how will the pH change?

A: Buffer solution : Buffer solution is aqueous solution  of mixture of weak acid and its conjugate bas...

Q: Find the pH of (OH-] = 0.0025. O pH = 11.2 O pH = 11.4 O pH = 11.0 O pH = 2.60

A: We know that,  POH is negative logarithm of OH- concentration.

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, ...

A:

Q: Molecule ЕPG Hyb (circle if 2D Lewis Structure 3D Lewis Structure MG polar) ВА CIF3 XeC3- NOZ

A: The Lewis structures for the given molecules ClF3 XeCl22- NO2- are shown in the next step.

Q: Calculate the work done for the adiabatic compression of ethane from 150kPa to 600kPa at 20C. Assume...

A: Work done in isothermal condition depends on change of volume or pressure in comparison or expansion...

Q: When measured at 22°C, a particular reaction has a rate constant of 5.8x10 /s and an activation ener...

A:

Q: The phase diagram for carbon indicates the extreme conditions that are needed to form diamonds from ...

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only. ...

Q: A solution made up of 2.00 g of an unknown solute and 275 mL of water (d = 1.00 g/mL) has an osmotic...

A: Given: Mass of solute = 2.00 g The volume of solution = 275 mL Osmotic pressure = 0.872 atm Tempera...

Q: Draw 3 different molecules: One with a primary carbon leaving group One with a secondary carbon lea...

A: Rate of SN2 reaction is inversely proportional to steric hindrance

Q: The rate constant for the reaction is 0.450 M−1⋅s−1 at 200 ∘C.   A⟶products If the initial concent...

A:

Q: Assuming equal concentrations, arrange these solutions by pH. Highest pH NaOH(aq) Са(ОН), (аq) NH, (...

A: NaOH(aq)&gt;  NH3(aq)&gt; Ca(OH)2(aq) &gt; HBr(aq)&gt;   HF(aq) Highest pH : NaOH(aq)               ...

Q: na cV experiment, what happens after linearly ramping to the 'switching" potential? O The potential ...

A: A Cyclic Voltammetry (CV) experiment involves the scan of a range of potential voltages while measur...

Q: 2. Which compound (C12H22011 or NH,CI )contains the most total number of atoms?

A:

Q: If you were to compare the composition of the air you inhale and the air you exhale, what difference...

A: The process where we inhale and exhale the air is called respiration. There is some compositional ch...

Q: Write the balanced chemical equation for the preparation of carbon dioxide, given the following desc...

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Q: Molecule ЕPG Hyb (circle if polar) 2D Lewis Structure 3D Lewis Structure MG ВА H2SO4 N2H2 XeBr4

A:

Q: Steam reforming of methane ( CH, ) produces "synthesis gas," a mixture of carbon monoxide gas and hy...

A: KC is equilibrium constant

Q: The equilibrium constant for the reaction ASB is K. = 10 at a certain temperature. (1) Starting with...

A: Equilibrium constant is the ratio between the concentration of products to that of the reactants.   ...

Q: The rate constant for this second‑order reaction is 0.540 M−1⋅s−1 at 300 ∘C.   A⟶products How long...

A: Given: Reaction is second order. Rate constant of the reaction = 0.540 M-1s-1. And the concentration...

Q: Fill in the equilibrium table for the reaction of HI(g) to form H2(g) and I2(g). Initial Conditions:...

A:

Q: 22. How much sodium formate (HCOONa), in gram, do you need to add to 400. mL of 1.00M formic acid fo...

A: [Formic acid] = 1.00 M pH of the buffer = 3.5 Ka = 1.77x10-4  Molar mass of HCOONa = 68.01 g mol-1 V...

Q: What event does a cathodic 'forward' peak correspond to? O oxidation O precipitation O reduction O d...

A: We have to tell what event means by a cathodic 'forward peak'. The given options are  oxidation pre...

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.