which one of the following is an ionization technique? MALDI or ESI

Q: Show complete calculations for the pH of a 0.105M solution of ammonium chloride. The Kb for ammonia ...

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Q: If 18 mL of methanol is used to make an aqueous solution that is 15% methanol by volume, how many mi...

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Q: Calculate the grams of NaOH present in 9.0 mL of a 8.0% (w/v) NaOH solution

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Q: Main group elements have valence electrons in which suborbitals

A: In the periodic table, the elements present in the same group have the same number of valance electr...

Q: What is the Rf formula and is it based off the middle of the spot, top, or bottom for distacne trave...

A: Given, Retention Factor (Rf)       Required,                     Formula of retention factor        ...

Q: What is the mole fraction of HCl in an aqueous solution that contains 44.2 g of HCl and 88.6 g of wa...

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Q: percent of a 762.5 mL solution that is prepared by dissolving 289.15 g of Ca(N3)2 in water?

A: %m/v = mass of solute ×100/Volume of solution  Using above formula,  %m/v = 289.15 × 100/762.5  = 37...

Q: I dentity the tollaming salts as Acidic, Basic or neutiral : HCook Naclos ,kCloy i CoH 5. CH; Nity N...

A: Salt is substance produced via reaction between acid and base.  If salt produced via strong acid and...

Q: Part III. Draw the structure of the following organic compounds. 1. 6-ethyl-2-octyne 2. 4-ethyl-2,3-...

A: It is very important to assign correct position of the substituents mentioned while drawing structur...

Q: ased on the given data, what is the λmax of cobalt?   0.1M Cobalt 300 0.451 325 0.467 350 0.584 3...

A: Given : We have to tell the lambda max for cobalt.

Q: e standard Gibbs free energy

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Q: What is the molar absorptivity of cobalt at λmax of copper?

A: The data given is,

Q: True or False. ____________4] Xylose gives a positive result with Molisch’s, Seliwanoff’s,  & Bial’...

A: 4. True Xylose is an aldopentose monosaccharide and having free aldehyde group imparting reducing na...

Q: Calculate the mass and volume (mL) of 5.0 mmol triethylsilane Mw: 116.28 g/mol Density: 0.728 g/mL

A: Given :-  moles of triethylsilane = 5.0 mmol  Molecular weight = 116.28 g/mol Density= 0.728 g/mL   ...

Q: A student prepared an equilibrium system using Fe(NO3)3 and KSCN, which reacted to produce iron(III)...

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Q: 50.0mL of 0.100M HCl solution and 50.00mL of 0.100M AgNO3 solution, both initially at 22.54 degrees ...

A: Given, 50.0mL of 0.100M HCl solution and 50.00mL of 0.100M AgNO3 solution, both initially at 22.54 d...

Q: 3 protons, 3 neutrons, 3 electrons 2 protons, 1 neutron, 1 electron 7 protons, 7 neutrons, 9 electro...

A: If in a atom or ion the no of protons and nk of electrons are same that it is neutral. If no of prot...

Q: Cyclic esters and amides are called lactones and lactams, respectively. These compounds are classifi...

A: classification of lactones and lactams

Q: A flask containing pure NO2 was heated to 1250 K, a temperature at which the value of Kp for the dec...

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Q: Intravenous, or IV, solutions used in medicine must exert the same osmotic pressure as blood to prev...

A: Given,  Mass of NaCl, m = 0.90 g  Molar mass of NaCl = 58.5 g/mol  Number of moles of NaCl = 0.90/58...

Q: Using the figure, Identify the normal boiling point of the pure solvent. 1 atm liquid phase sofd pha...

A: Hence 1st option is correct that is point 1

Q: Part I. Identify the functional groups present in the given molecules:

A: The identification of functional groups shown below

Q: What is the molar absorptivity of copper at λmax of cobalt?

A: The data given is,

Q: The stepwise stability constant, K at 25 °C in an aqueous solution for the formation of copper and n...

A: stepwise stability constant

Q: Question 13 An ē at its excited state is stable unti it return to its ground state. If an ē jumped m...

A: In an atom electron rotates around the nucleus in certain orbital.Transition of electron occur when ...

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the compo...

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Q: What is the best starting material to use to produce the tertiary alcohol shown without producing ad...

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Q: An enzyme kinetics experiment is carried out by adding 1.00mg of a 50.0kDa enzyme into a total volum...

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Q: QUESTION 9 An energy bar contains approximately 16.7 grams of protein. Given that the energy content...

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Q: What is the mole fraction of the solute in a 40% by mass ethanol (C2H6O) solution in water?

A: Given: concentration in %w/w = 40 ℅ Standard data: The molar mass of ethanol = 46.07 g/mol The mo...

Q: What is the molality of a solution containing 75.5 g sucrose in 400 g water? Show your solution.

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Q: 1. Complete the chart by filling in the missing information. Name of element Protons Neutrons Atomic...

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

Q: Develop a general equation for the standard heat of reaction as a function of temperature for one of...

A: ANSWER : (a)  C2H2(g) + H2O (g)→(CH2)2O (g)Heat of reaction is as follows ;∆Hrxn= ∑products,ini∆Hf29...

Q: Draw the Lewis structure of PBr,. Include all the lone pairs.

A: Draw Lewis structure of PBr3 ?

Q: QUESTION 14 What is the geometry relative to the O atom in the Lewis structure below? H. H. H-C- C-H...

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Q: Consider the following reaction where K. = 7.00x10"5 at 673 K. NH4I(s) NH3(g) + HI(g) A reaction mix...

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Q: Draw the structures and give the IUPAC name of the compounds that you have draw that meet the follow...

A: Given:

Q: b. NO2 НООС. NO2 С.

A: Nitration, halogenation, Friedel craft alkylation and acylation , all these reactions are aromatic e...

Q: QUESTION 14 What is the geometry relative to the O atom in the Lewis structure below? H H -C H. H. l...

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Q: ou have 729 mls of water and you want to make a 0.864 molar (M) solution of barium hydroxide.  How m...

A: Given : Volume = 729ml  Molarity = 0.864M

Q: What is the molar absorptivity of cobalt at λmax of copper?

A: The data given is,

Q: 7. Carbon monoxide gas is found to be more soluble in water than hydrogen gas, even though carbon mo...

A: As per our company guidelines we are supposed to answer only one question.kindly repost remaining qu...

Q: Coordination number of nacl

A: The coordination number any atom or ion in a molecule or ionic compound is defined by counting the n...

Q: * Deter miine the missing compound, and give their IUPAC name. AVD CHス-C三C-CHz-CHz-CH3+ 2H2 Po, pd, ...

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Q: When the concentration of H+ ions in a solution decreases, a buffer maintains the pH of a solution b...

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Q: What is the volume in liters (L) of 2 moles of an ideal gas at 25°C and 790 mmHg

A: The volume of the gas is 47.0722 L.

Q: Calculate the molarity of a phosphoric acid (H3PO4) solution that is 84% by mass phosphoric acid and...

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Q: What Atomic spectroscopy is referred to by the following statements? Intensity is mesured by the ene...

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Q: Below, write the balanced chemical equation for the reaction you observed (including state). NOTES:...

A: Sb(OH)3(aq) + Na2S(aq)  gives a reaction. 

Q: A volume of 0.25 L is acquired when you combine 0.2 g of Mg metal with HCl. Assuming the solution co...

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