What do you call the layer directly covering the core of a colloidal particle, and is made up of the ion in the colloidal particle present in excess?   Primary adsorption layer   Surfactant layer   Colloidal layer   Counter-ion layer

Q: Calculate the pH of a 7.51 M solution of HBRO. The K, of HBRO is 2.50 x 10. Express your answer usin...

A: Given data :  Initial concentration of HBrO = 7.51 M  Ka = 2.50 × 10-9   

Q: Show that the atomic packing factor for FCC is 0.74.

A: We have to show that the atomic packing fraction of FCC is 0.74.

Q: Which of the following will produce an oxidation product with KMnO4 that is insoluble in NaOH?

A: Organic reaction mechanisms:

Q: How much 0.5 M KOH must be added to 200 mL of 50 mM glycine at ph 8.6 to bring its ph to exactly 10....

A: Henderson equation of buffer pH = pka + log salt/ acid

Q: 2/5 Liquid hexane (CH3(CH2)¸CH3) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxi...

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Q: 3/5 Gaseous butane (CH;(CH2),CH,) reacts with gaseous oxygen gas to produce gaseous carbon dioxide (...

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Q: Given the following data for the NH4* +NO2 - N2 + 2H20 reaction Trial [NH4*] 0.015 M 0.030 0.015 Rat...

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Q: HOCH3 + H20 + НО OCH3 H;CO OCH3 This reaction is classified as: O addition

A: Organic reaction mechanisms:

Q: Calculate A E for the reaction below at 25 *c. Sio 2(8) + 4HF(aq) SIF al0) + 2H 20 (1) -010.0 -320.8...

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Q: Label the direction of electron flow for a galvanic cell based on the reaction below. What type of i...

A: Galvanic cell also known as voltaic cell is defined as a electrochemical cell in which electric curr...

Q: After performing precipitation gravimetry, Asta placed the weighing form inside the crucible, heated...

A: The average of these masses is : 23.1136 + 23.2125 + 23.4120 + 23.11394 = 23.2130 

Q: Which is longer—a C–H bond or a C–O bond?        Which is shorter—an N–H bond or a C–H bond?   Arran...

A: stronger the bond between atoms, smaller will be there bond length.   

Q: 38) During the early 1970s, the price of copper rose to a point where the cent contained almost one ...

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Q: H2N- CH-C- NH- CH2-C-NH-CH2- NH-CH-C-NH-CH-C-OH CH2 CH2 CH2 CH Compound A (Leu-enkephalin) H3C CH3 O...

A: Since you have asked multiple questions we will answer the first one for you. To get the remaining q...

Q: What are the units of a? What are the units of b? For water the numerical value of a is 5.464 and th...

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Q: Calculate the mass percent by volume of 41.6 g of glucose (C₆H₁₂O₆, MM = 180.2 g/mol) in 325 mL of s...

A: The mass of solute in gram present in 100 mL solution is known as the mass percent concentration of ...

Q: Question 1 of 10 Draw the orbital diagrams of the following elements: Silicon Oxygen Chromium

A: Orbital diagram is defined as a representation which represents the electron distribution of electro...

Q: The empirical formula a compound is C 2H 40 and its molecular weight was determined to be approximat...

A: Empirical formula is the simplest ratio of atoms present in molecule. Therefore ratio of elements C:...

Q: 1  It is a mathematical expressions relating the concentration of reactants to the reaction rate ? ...

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Q: Consider this reaction: CICH,CH,CI (g) → CH2CHCI (g) + HC1 (g) At a certain temperature it obeys thi...

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Q: Determine the enthalpy of combustion of liquid octane (C8H18) at 25C and 1 atm using enthalpy of for...

A: The balanced chemical equation for the combustion of octane ( C8H18 ) is,   2 C8H18 (l)  + 25 O2(g) ...

Q: 15 Gaseous ethane (CH;CH3) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO...

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Q: Determine the molal analysis of the products of combustion when octane (C8H18) is burned with 200% ...

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Q: How many grams of magnesium are required to produce 4.380 kg of Siı? (At mass: Mg-24.31; Si-28.09) S...

A:     Recall the given reaction,  SiCl4  +  2 Mg                   Si  +  2 MgCl2   4.380 Kg of Si is...

Q: H3C a b ENZCH3 CH3 d 90° NH2 COOH

A: Symmetry point group : A Point Group describes all the symmetry operations that can be performed on ...

Q: Choose the compound of molecular formula C7H13B1 that gives each alkene shown as the exclusive produ...

A: Alkyl halide on elimination gives alkene as final product.  

Q: Given the following data for the NH4* + NO2 → N2 + 2H20 reaction Trial [NH4*] 0.015 M Rate [NO2] 0.0...

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Q: Problem no. 23-25 en the following data for the NH4* + NO2" – N2 + 2H20 reaction Trial Rate [NO2] 0....

A: K is rate constant

Q: 41) A teenage child in Wisconsin throws a chunk of sodium metal into a lake consisting of freshwater...

A: Given: mass of sodium = atomic number of fluorine = 9 kg = 9000 g density of water = 1.01 g/mL heigh...

Q: What is the freezing point of 0.251 m urea in water? b. What is the b

A: Molality (m) = 0.251 m □Tf = Kf × m  = 1.86 × 0.251 = 0.467 °c So, Freezing point of solution = -0.4...

Q: Here we have the molecular orbital energy diagram for this chlorophyll molecule. Match the absorptio...

A: Wavelength of absorption is inversely proportional to the energy gap between the two levels.

Q: How many grams of Na3PO4 in solution in excess after the reaction 1s complete? Hint - determine mole...

A: The equation is 2Na3PO4+3CaCl2---->Ca3(PO4)2 +6 NaCl From stoichiometry of the reaction,         ...

Q: A 245.0 mL sample of 0.15 M Ba(OH)2 is added to 438. mL of 0.20 M HNO3. What is the pH of the result...

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Q: At what temperature is the osmotic pressure of 1.00M NaCl solution equivalent to 60.5 atm? A. 85.90 ...

A: Which of the following is correct

Q: Mechanism 3. When heated the cyclobutene below coverts to a mixture of products A and B. The ftirst ...

A: Cyclobutene system is very unstable system as small ring containing double bond .Thus it faces huge ...

Q: The standard reaction free energy aG" = '= -910. kJ for this reaction: 6C(s) + 6H,(g) + 30,(g)-C,H1,...

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Q: Evaluate A S for the reaction below at 25 °C. CH 4(g) + 2CI 2(g) CCI 4 (e) + 2H 2(g) -135.4 -74.81 A...

A: CH4(g) + 2Cl2(g) --> CCl4(l) + 2H2(g) ∆H°f (CH4) = -74.81 KJ/mole ∆H°f(CCl4) = -135.4KJ/mole ∆G°f...

Q: Balancing the following equation:    CH4 + O2 --> CO2 + H20

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Q: A 0.5239 g sample of unknown solid was analyzed for sulfate. 0.3466 g of BaSO4 was obtained after gr...

A: Gravimetric analysis is a technique to find the mass of analyte in the sample by converting it into ...

Q: Use the paperclip button below to attach files. Student can enter max 3500 characters ckNav

A: Proteins are building blocks of body and can also serve as a fuel source. As a fuel, proteins provid...

Q: Question 4 of 10 Please write the electron configuration of the following elements: Copper Sodium Ni...

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Q: 30) What is the percent yield for the reaction below? Only 28.16 g of CO2 are observed to have forme...

A: Actual yield of CO2=28.16g Theoretical yield of CO2=225.3g Moles of C8H18=4mol Moles of O2=8mol

Q: It is the study of the heat or energy involved in physical and chemical changes. Thermodynamics The...

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Q: Write a balanced ionic equation for this acid-base reaction: 2CsOH(aq)+H2SO4(aq)→ write net ionic e...

A: Given, a)  acid base reaction 2CsOH(aq) + H2SO4(aq)→ Balanced ionic equation = ? Net ionic equation ...

Q: The following compound has shown some activity in treating Alzheimer's disease. What is an IUPAC nam...

A: ->In naming phenol give numbering taking OH at position -1.  

Q: EQUATION WRITING: Balance the following redox reactions. Use change in oxidation state method (oxida...

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Q: Rank the elements or compounds in the table below in decreasing order of their boiling points. That ...

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Q: 10 3H 3H 2H

A: We have to determine the structure of the molecule by using the NMR spectrum. The molecular formula ...

Q: Question 5 The rate of a reaction depends on collision frequency O collision energy o ollision orien...

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...

Q: 3. Describe the crystal structure of iron, which crystallizes with two equivalent metal atoms in a c...

A: Copper crystallizes in a face centered cubic structure. What is the mass of one unit.