ーNO2 Br

Q: Question 14 If 14.5 mL of 0.245 M HCI are added to 12.80 mL of 0.0619 M LIOH, what is the final pH?…

A: Question 14    pH  = - log [H+]

Q: Four solutions of an acid dissolved in water are sketched below, as if under a microscope so…

A: According to the Arrhenius theory, the substance that gives hydrogen ion H+ in the aqueous solution…

Q: Nitric oxide, an important pollutant in air, is formed from the elements nitrogen and oxygen at high…

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Q: Please answer this immediately. Thank you!

A: Functional group of the molecule shows an characteristic property. Generally these are the groups of…

Q: Part B Calculate the entropy of each of the following states. (Figure 1) State (b). S = 0 J/K Submit…

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Q: A sample of carbon dioxoide gas has a pressure of 8.79 bar8.79 bar and a volume of 10.7 mL10.7 mL at…

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Q: a solution is prepared by dissolving 8.29g of Na2SO4 in enough water to make 225 ml of solution.…

A: Molarity (M) :  Number of moles of solute present in one litre solution is called Molarity M= n /…

Q: The base protonation constant K, of lidocaine (C„H2,NONH) is 1.15 × 10 °. 14 Calculate the pH of a…

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Q: What would be the van't Hoff factor (i) for a potassium sulfate, K2SO4 (100% dissociation) and why?…

A: Here we have to calculate van't Hoff factor for potassium sulfate(100% dissociation) and reason…

Q: Why is the first ionization of aluminum less than the first ionization of magnesium? Select all that…

A: Aluminium (Z= 13) Electronic config = 1s2  2s2 2p6 3s2 3p1   Magnesium (Z=12) Electronic config =…

Q: Calculate the induced dipole moment of SO2 due to a K+ ion that is 5.2 Å away from the center of the…

A: Given as Distance from SO2 = 5.2 A0  Polarizability of SO2=3.72×10-30 m3 The induced dipole moment…

Q: n acid or base in

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Q: A teacher adds a small amount of a substance to an erlenmeyer flask while demonstrating titration.…

A: A teacher adds small amount of a substance to an erlenmeyer flask while demonstrating titration.Lets…

Q: Calculate the amount of energy required to heat 357 g of ethylene glycol (antifreeze) from 0°C to…

A: Given, Mass of ethylene glycol (m) = 357 g Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: complete this reaction     Fe³= ........agent (from-to)   S2O3= .........agrnt (from-to).

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Q: MOLECULAR GEOMETRY AND POLARITY OF Brcl3

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Q: 6) In qualitative terms, how does Bohr's model account for the atomic spectrum of hydrogen? More…

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Q: wing mixtures has the highest buffering cap 2-10.90 M PO43- 2-10.10 M PO43- e the same buffer…

A: Buffer solution is the mixture of weak Acid/base with its conjugate base/acid. Buffer which have…

Q: Part A Balance the redox reaction occurring in basic solution. MnO4 (aq)+ OH (aq) → O2(g) +…

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Q: NABH a. CH,OH [1] LIAIH b. (2] H2O

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Q: A student prepares a 1.4M aqueous solution of benzoic acid (C,H,CO,H). Calculate the fraction of…

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Q: Jsing the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g)

Q: Ksp for Pbl2 is 8.43E-6. What is the solubility of Pbl2 in g L-1? (molar mass: 461.01 g mol-1) (the…

A: Given, Solubility product constant (Ksp) for PbI2 = 8.43 × 10-6  Solubility of PbI2 = ? g/L Molar…

Q: CH3CH2CH2CH2CHO) is treated with each reagent.

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Q: O ENTROPY AND FREE ENERGY Nerbs V Calculating reaction entropy using the standard molar entropies...…

A: Given- MgCl2(s)+H2O(l) ->MgO(s)+2HCl(g)

Q: Predict whether a 0.10-M solution of each of the following salts will be basic, acidic, or neutral.…

A: The acid and basic are the characteristics which will shown the nature of the solution.

Q: stion 8 A salt made up of a cation with a +3 charge and the chloride ion. In a saturated solution of…

A: Given:: [Cl-] =0.0787 M cation = +3 charge Ksp =?

Q: If the equations for the extreme lines (a and e) using units shown in graph above are: y= 2.6x + 3.0…

A: We have find out Vmax for enzyme.

Q: D. SOs Е. Н:О

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Q: Why is the photodissociation of oxygen more important than the photoionization of oxygen at…

A: Photodissociation of oxygen is the cleavage of O=O bond in oxygen molecule such that 2 neutral…

Q: H2AO4 is a weak acid. What is [AO4<] in a 0.30 M H2AO4 solution? [Ka1 = 6.2 x 10-; Ka2 = 5.2 x 10-10…

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Q: pentanal (CH3CH2CH2CH2CHO) is treated with each reagent

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Q: possible values of n,e,and me

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Q: MOLECULAR GEOMETRY AND POLARITY OF ONF WITH N AS CENTRAL ATOM

A: To determine molecular geometry of ONF , we would use valance electrons of all atoms and make…

Q: Why should you know the composition of the weighing form? a. So that it can be washed properly b.…

A: Composition of the compound tells about the mass .

Q: Calculate A H for H2(g) + Cl2 (g) 2HCI (g) based on the reactions: AH = -176 kJ AH = -99.22 kJ =…

A: Hess' law states that change in enthalpy of reaction is same whether it takes place in single step…

Q: There are 14.5 psi per bar. Calculate the pressure in psi at 2.8 bar. Answer:

A: It is an example of conversion factor  We are required to convert bar to psi

Q: Which of the following salts forms a neutral solution when dissolved in water?    NaNO3…

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Q: Sketch and label 6-8 H2O molecules interacting in the liquid phase.

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Q: Are the following pairs identical, enantiomers, diastereomers, or constitutional isomers?

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Q: In Experiment M you studied the reaction: S2Og²- + 2l¯ → 2SO42- + 12 The reaction time was monitored…

A: Here we have to predict the reason why the time of reaction of S2O8^-2 (aq) + 2I^ –&gt; 2SO4^2-…

Q: Rank the following from greatest molar solubility (4) to the least molar solubility (1). Assign a…

A: If solubility product of the salt is greater then the  ionic product , then solubility occurs .

Q: Question 11 Calculate the pH at the equivalence point for the titration of 60.7 mL of 0.574 M NH3…

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Q: The solubility of Ca(IO3)2 Woud be in a solution of 4M iodate ion thán in pure water at the same…

A: From common ion effect we  found that the solubility of a sparingly soluble salt decrease when a…

Q: How are the electron configurations of S2 and CI related? O S2: [Ne] 3s23d6 CI: [Ne] 3s23d The…

A: Total electrons in an ion = atomic number ± charge  In case of anion :-  Total electrons = Z +…

Q: All of the following are added to five different containers of water, each with the same mass of…

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Q: How many milliliters of 15.7% (v/v) acetic acid would you need to use to get 39 milliliters of…

A: Given-&gt; (V/V)% = 15.7 %  Volume of acetic acid solution = 39 millilitres

Q: Rank the following substances from the least to greatest in terms of standard entropy (1 as the…

A: Gaseous state has highest randomness so highest entropy followed by liquid state and lest is solid…

Q: 5.) What does the reaction below describe?          O2(g)  +  hv  -------->  O2+  +  e-   Group…

A: The reaction can be described by

Q: Indicate the concentration of each ion present in the solution formed by mixing the following.…

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