H,N-NH,

Q: Match the following electron configuration for the correct element or ion. A. Cr 1s2 252p6…

A:

Q: What is the concentration of co3²- required (molarity) in a solution that is 0.0014 M in Sr2* in…

A: First write dissociation equation of SrCO3 and use given Ksp and concentration of Sr2+ .

Q: 3. Suggest experimental means by which the rates of the following reactions could be followed. There…

A: In the question it is given to discuss the experimental means by which the rates of the reaction…

Q: 1.50 moles of a radio nuclide emits 3.09 x 1010 beta particles per second. assumed that each beta…

A: Here 1.5 moles of radio active nuclide emits 3.09×10^10 beta particles per second. We have to…

Q: OH Cro3 HBr -OH H,SO4 а) CH, PPh, b) H;C -CH3 CH;OH H,SO,

A:

Q: How many electrons can the third principal quantum level hold? [x] Explain how you got the answer in…

A: There are 4 different types of quantum numbers-  1- principal quantum no  2- azimuthal quantum no…

Q: A chemist titrates 180.0 mL of a 0.4899M potassium hydroxide (KOH) solution with 0.5114M HCl…

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Q: 1) a) For the following 4 carbohydrates, identify chiral carbons by putting a* near each one. b) For…

A: Chiral carbon is the optically active center of a molecule, it has four distinct group of atoms…

Q: Calculate AH for the reaction using the given bond dissociation energies. CH, (g) + 20,(g) - -…

A: Given- CH4(g)+2O2(g)->CO2(g)+2H2O(g) ∆H°=?

Q: Draw the product in the following enzyme catalysed reaction

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Q: Which bond is longest? Explain your reasoning in here in the given space A) C-O B) C-C C) C-H D) C-P…

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Q: Na" "SCH3 CH,CN Br HCI CH,OH in

A: Favorable conditions for SN1: 1) Strong nucleophile 2) Aprotic solvent Favorable conditions for SN2:…

Q: radius. Explain your reasoning in the given space here in this question. Only use qualitative…

A: As we know,  In periodic table if we move from left to right,  atomic radius decrease while top to…

Q: Which of the following is a secondary amine? NH2 NH -NH2 d) `NH2 а) b)

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Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: ENTROPY IS MEASURE OF RANDOMNESS,MORE RANDOMNESS MEANS MORE ENTROPY

Q: Given below is electron configuration of an element: What is it? In a separate sheet explain how you…

A: To finding out the element with given electronic configuration, check its atomic number by adding…

Q: Given the following standard reduction potentials: Mg2 (aq) + 2e - Mg(s) E° = -2.357 V %3D Al3* (aq)…

A: We have to predict the spontaneous reaction.

Q: Calculate the pH of the following solutions: 0.015 M F solution (Hint: Calculate K, of F from K of…

A: Answer: F- ion is the conjugate base of HF which is a weak acid, therefore on adding in water its…

Q: i chemi ca B. A chemişt carries out the following reaction: C6H6 + Br2 C6H5BR + HBr 2.7 a. If he…

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Q: Set up a cell that has a Mg electrode in a 1.0 M aqueous Mg?+ solution on the left side and a Cu…

A: Left side of cell reaction represents oxidation Half cell i.e - - > oxidation of Mg Mg is…

Q: concentration of the acid

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Q: Describe the location of electrons; describe how electron placement determines chemical bonding,…

A: The electron which is negativily charged species present in the hollows space of the atom and rotate…

Q: An analytical chemist is titrating 206.5 mL of a 0.9600M solution of cyanic acid (HCNO) with a…

A: Given-  Volume of HCNO= 206.5 mL  Concentration of HCNO= 0.9600M Concentration of KOH=1.100M Volume…

Q: Which compound in each pair is more soluble in hexane? он (a) or II (b) or II NH2 (c) or II

A: Hexane is a non polar compound, so the compound which is less polar would be more soluble in hexane.…

Q: Draw the skeletal (line-bond) structure of (R)-2-methyoxypentanal. Use a wedge or dash bond to…

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Q: what is the condensed structural formula of acetophonone

A: What is the condensed structural formula of acetophonone ?

Q: What is the sign for each of the following? (Change in) a. S, H, G for the evaporation of a…

A:

Q: Consider the reaction below. which formula represents a conjugate acid-base pair hso3-(aq)+ hf (aq)…

A: Consider the reaction below. which formula represents a conjugate acid-base pair ---

Q: How do I report this data? Blue is background data, red is compound 1-bromo-3-phenylpropane,…

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Q: Do you think that the formation of [CoCl4]2-(aq) is endothermic or exothermic? Explain.

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Q: Calculate the mass of dinitrogen tetroxide (N,0,) that contains a trillion (1.0 × 10") nitrogen…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Which bond is least polar? Explain your answer in a separate sheet. O C-O O N-N O C-C1 O C-F

A: Given :-  C—O  N—N  C—Cl  C—F  To identify :-  Least polar bond

Q: A gas mixture with a total pressure of 4.6atm is used in a hospital. If the mixture contains 5.4 mol…

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Q: 21. Which substance will lower the melting point of ice the most? a. NaCI b. KNO3 c. Ca Cl2 d. KBr

A: formula to calculate the depression in the freezing point is  delta T  = i Kf m here i is the van't…

Q: What is the pH in the titration of 10 mL of 0.20 M carbonic acid by 0.10 M NaOH after adding 30 mL…

A: First we would Calculate moles of both acid and base. Carbonic acid is a diprotic acid , so it have…

Q: will be product-favored or reactant favored when temperature changes occur. If reaction favored to…

A: As we know,  Spontaneity of a chemical reaction is determined by Gibbs free energy change.  As □G is…

Q: The concentration of S2- in a saturated solution of FeS is 6.17x10-10 mol/L at a certain…

A: We have to predict the Ksp of given salt.

Q: Which is true for the endothermic reaction 2 SO3(g) → 2 SO,(g) + 02(g)? A) Spontaneous at all T B)…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. Show your work.

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Q: Consider the molecule E2, where E is the element with atomic number 5.  [If the atomic number were…

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Q: Calculate the pH of a solution after 47.0 mL of 0.500 M NaOH is titrated with 53.0 mL of 0.250 M of…

A:

Q: Which of these atoms will be most favorable to oxidize? Ca Li Na Sr

A: Oxidation means increase in oxidation number or we can say that removal of electrons.

Q: 50 cm3 of 0.05 M weak acid solution is titrated with 0.1 M NaOH solution. The measured pH values are…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: It is well reported that the antiallergic activity of Claritin (loratadine) is not only the result…

A: Descarboethoxyloratadine is the active metabolite. It formed by CYP mediated hydrolysis

Q: 1 gram of radium (226Ra) is separated from its decay products and then placed in an insulated…

A: Given: Initial amount of 226Ra = 1 g Time of decay = 60 days = 0.1644 years Hal-life of 226Ra = 1600…

Q: What volume (mL) of a 15% (m/v) NaOH solution contains 120 g NaOH?

A: 15% (m/v) NaOH solution We have to find volume (mL) of a 15% (m/v) NaOH solution contains 120 g…

Q: Use the observed potential for the Zn(s) | Zn²*(0.1 M)|| Cu²^(0.1 M) | Cu(s) cell as the E" in the…

A: For the given cell, Zn (s) | Zn2+ (aq) || Cu2+ (aq) | Cu (s)

Q: 7 t sample of 0.05 mol dm sodium chloride is mixed with a 5 cm3 sample of 0.05mol dm potassium…

A: Precipitation reaction: A precipitation reaction is a type of reaction in which two soluble ionic…

Q: List the n, 1, mi, and m, states available for an electron in a 4p subshell in order (n, l, mị, ms).…

A: ml = -l to +l ms = +0.5 and -0.5 For P, l = 1

Q: What is the volume, in milliliters, of each of the following diluted solutions? A 1.2 MM HClHCl…

A:

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.