A. В. `NH2 D. STransmittance STransm ttance * 8 2 S 8 3 8 3571.14 3354.51 3189.74 2057.18 69 SELE KRL K 1742.06 1601.7 1634.19 1480.71 1437.40 121234 S 1172.92 99 C 1030.20 850.76 O spe 597 24 9E ES

Q: Write the equilibrium constant expression for this reaction: H;PO,(aq) - 3 H (aq)+PO (aq)

A:

Q: 21 mL sample of 0.15 M KOH is titrated with 0.125 M HClO4. What is the pH after 23 mL of titrant is ...

A: Volume of KOH = 21 mL or 0.021 L  Molarity of KOH = 0.15 M  Volume of HClO4 = 23 mL or 0.023 L Molar...

Q: A 0.512 g sample of CaCO3 is dissolved in 12 M HCl and the mixture is diluted to 250 mL. A small amo...

A: a) volume of EDTA used in titrating Ca2+ in hard water = 22.4-2.60 = 19.8 ml

Q: Obtain the moles of substance in the following. a. 2.57 g C mol b. 8.88 g Cl2 mol с. 74 g CH10 mol d...

A: Calculate moles of each substance---

Q: What is the IUPAC of the following compound? ÕH

A: According to Cahn-Ingold-Prelog rule- 1) More atomic number having more priority.2) If first atom is...

Q: Assessment 1 Direction: Analyze the following situations below. Then, answer the following questions...

A: 1-Ana has skin problem of dry skin and acne from her high school.The ingredients present for her ski...

Q: For potassium (K), the work function equals 3.669 x 10 19 J (per photon). a) What is the minimum fre...

A:

Q: HO.

A:

Q: What is mass defect and binding energy for C14 nucleus

A: The mass defect and binding energy can be calculated as

Q: A 9.50 % by mass solution of acetone (C3H6O) in water has a density of 0.9849 g/mL at 20°C. What is ...

A: Given, Percent by mass of acetone = 9.50 % Density of the solution = 0.9849 g/mL Molarity of the sol...

Q: If a 1.065 g sample of magnesium oxide of 84.736% were treated with 50 mL of 1.017 N sulfuric acid, ...

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: Use the given: I. 0.02 m of glucose, II. 0.03 m of FeCl 3,  III. 0.02 m of NaCl, IV. 0.03 m of MgCl ...

A: Colligative properties: The colligative properties are those properties of solutions that depend on ...

Q: Consider the following reaction: 2 ClF (g) → Cl2 (g) + F2 (g) Assume that an experiment is carried ...

A:

Q: According to the following reaction, how many grams of copper(II) nitrate will be formed upon the co...

A:

Q: Name of experiment : Gas Chromatography (GC);Separation of alcohols Q1:Purpose of experiment 02:Intr...

A: Ans. Gas chromatography: Gas chromatography (GC): Separation of alcohols  (1) Purpose of experiment:...

Q: Example of Soil Colloids and importance in the improvement of Agricultural Practice?

A: Soil colloids are the most active portions of the soil because of their large surface area and it de...

Q: According to the following react 2AGNO3 (aq) + CuCl, (s) What would you multiply noles of silver nit...

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Q: A student mixes 20 mL of 0.1 M HCl and 20 mL of 0.1 M KOH in a coffee cup calorimeter. Upon complete...

A:

Q: 7. Calculate the volume that 1.5 moles of EtS would occupy at 105°C and 76.13 kPa, using (a) the ide...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: At a given temperature, the equilibrium constant Kp for the reaction PCl3(g) + Cl2(g)  PCl5(g) is 0....

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Q: 1. Define Avogadro's number? explain w/ applications 2. What is a mole? 3. How are Avogadro's numb...

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Q: Sodium-based street lamps emit light at a wavelength of 569 nm. What is the frequency of this light...

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Q: Which solution is most likely isotonic?

A: We would first define isotonic solution , then we would find which solution is isotonic .   

Q: of a temperature of 00 and a mass of 18 g in a beaker containing 150 g of water at a temperature of ...

A:

Q: Complete the following multistep syntheses by showing the major intermediate products and the reagen...

A: The reaction given is,

Q: For hydrogen bonds, answer these three questions: A) Are they found in polar, non-polar or both type...

A: Hydrogen bonding: It is a weak electrostatic force of attraction between a hydrogen atom covalently ...

Q: Explain the concept of boiling point elevation and freezing point depression and give an example or ...

A: Boiling point elevation and freezing point depression are the colligative properties of solutions.

Q: 6. Derive the following relationship that describes the variation of calcium concentration in water,...

A: To derive the given relation:

Q: What is a phase diagram?

A: Phase diagram is a graphical representation of the physical states of a substance under different co...

Q: Complete the table by calculating the reaction quotient and determining the direction of these react...

A:

Q: Potassium naturally consists of 93.10% K-39 and 6.9% K-41. Calculate the atomic mass for Potassium.

A: Given that, % abundance of K-39 = 93.10 % = 0.9310  % abundance of K-41= 6.9 % = 0.069  Then,  

Q: For a gaseous reaction, standard conditions are 298 K and a partial pressure of I bar for all specie...

A:

Q: Shonld be mixed rith s.0 lth pH 10.00? 9-13 How mony grams of maco, (Fm 1o5.9) 5.009 g buffer hith p...

A: Volume of buffer solution = 100 mL pH =  10.00

Q: A sample of 1.00 mol of perfect gas molecules with Cp = 7/2 R is put through the following cycle: (a...

A: Given 1.00 mol of a perfect gas having Cp = 7/2 R  Pressure =1.00 atm  Q, W, dU, and dH for each ste...

Q: Calculate the amount of heat released during the combustion of: a.) 0.30 mol of C3H6O (acetone) b.)...

A:

Q: Cesium (Cs) is element 55 on the pe 3.95x1023 atoms of Cs. Calculate th mol Cs

A: Given that, Atoms of CS= 3.95 ×1023 atoms  Then,  

Q: cell potential

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Q: OH NH2

A:

Q: Please provide a synthetic route for this molecule CH3 Ome

A: Synthetic route has been described.

Q: a. How many N2 molecules are contained in 2.55 mol of N2? N2 molecules b. How many N atoms are conta...

A:

Q: Consider the reaction A+2B⇌CA+2B⇌C whose rate at 25 ∘C∘C was measured using three different sets o...

A:

Q: Differentiate between homogeneous and heterogeneous catalyst

A: Homogeneous catalyst: when the reactants and the catalyst are in the same phase that is solid, liqui...

Q: You were assigned by your instructor to determine the concentration of NaCl in water. You did three ...

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Q: Predict the product of the following reaction. A OH HNO3, H2SO4 CI- B Name the organic product witho...

A:

Q: For a gaseous reaction, standard conditions are 298 K and a partial pressure of I bar for all specie...

A: Relation between equilibrium constant and delta G.....

Q: A +B → C Initial Rate of [A] [mol/L] [B] [mol/L] Expt. Formation of C 0.10 0.10 3.0 x 10-4 M-min- 0....

A: The order of reaction can be determined by compairing the rate of expression of any two experiments.

Q: Calculate the mass defect and binding energy for C13 nucleus?

A: The mass defect and binding energy of C13 nucleus can be calculated as

Q: Molecules that have the same formula but a different structure are called what? Why does a different...

A: We need to tell in the given question about the molecules that have different structure as having th...

Q: Consider the following at equilibrium for maleic acid: H,C,H,O, (aq) + H,0 (1) HC,H,O, (aq) + H,O" (...

A:

Q: What happens to the atomic number when the reactant nucleus becomes the product nucieus? What happen...

A: The atomic number and mass number remains the same during chemical reaction that is when reactant nu...

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.