1. Demonstrate any 5 important applications of Calcium and the advantages of each application? 2. Calcium is one of the essential mineral that is used in food and pharma- ceutical for calcium supplementation. Explain about the health benefits and health effects of Calcium supplementation.

Q: 5 how to prepare of sodium ascorbate using ascorbic acid and sodium hydroxide (NaOH)?

A: Ascorbic acid = HC6H7O6  Sodium hydroxide = NaOH Sodium ascorbate = NaC6H7O6    

Q: Consider a 1.245 g sample of glucose (C H, O.). Calculate the following. moles of glucose in the sam...

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: C. Draw the chemical structure for each of the following: Ex. 2,3-dimethylpentane CH3 CH3 CH-CH-CH-C...

A:

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO: after ...

A:

Q: At 25 °C, K. = 0.145 for the following reaction in the solvent CCI4. 2BRCI * Br2 + Cl2 If the initia...

A:

Q: Which of the following statements about the sensitivity of an analytical method is true? O The sensi...

A: Two questions based on tools in analytical chemistry that is to be accomplished. 

Q: Which is the stronger acid? (Resonance) Structures of the resulting conjugate bases are sho below. B...

A: The strength of acid is determined by Ka values  Larger Ka stronger is the acid  The Ka of HBrO2 is ...

Q: Explain the following reactions, use curly arrows to justify the explanation,

A:

Q: Part A Are the following solutions isotonic, hypotonic, or hypertonic compared with physiokogical so...

A:

Q: What is the volume of Hydrogen gas that was produced at the action of dilute sulfuric acid to 32.7g ...

A: Given, H2SO4 + Zn ➝ ZnSO4 + H2 Mass of Zinc (Zn) react = 32.7 g Volume of hydrogen (H2) gas produced...

Q: The reaction: C3H;Clg-->C;Haig +HClg is the first order in C,H;CI.The rate constant is 1.60 x 10/s.i...

A:

Q: Which solution is closest to the pKa? Calculate the pH of the solutions and the change in pH after a...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: Calculate the concentration of sulfide ions in a solution that is 0.080M in hydrogen sulfide and con...

A: Answer: H2S is a weak dibasic acid and therefore to calculate the concentration of sulfide ion, we h...

Q: Illustrate the chemical reaction in the synthesis of oil of wintergreen

A: Synthesis of oil of wintergreen (methyl salcylate)

Q: A scientist proposed the following equation of state: RT p = C + V2 B Vm V3 m Show that the equation...

A: Solution -

Q: Write the electronic configuration and draw the orbital notation of each the following nuclides. 1. ...

A: Electronic configuration can be defined as the arrangement of electrons in orbitals of an atom.

Q: object quantum or classical? O classical A raindrop with a mass of 2.0 mg, 5.7 mm wide, moving, at 8...

A:

Q: Is this reaction exothermic, endothermic, or neither? O endothermic O neither If you said the reacti...

A:

Q: Calculate the mole fraction of C2H5OH in a solution that contains 46 grams of ethanol, C2H5OH, and 6...

A:

Q: Question 15 Find the number of significant figure in 0.0030010020 m O 3

A: Answer-15  Significant figure is "3"

Q: Calculate the value of the EMF of galvanic cells and write the electrode reactions occurring in them...

A: a)                    Zn/Zn2+(0.001)∥Cd2+(0.1)/Cd                         Anode : Zn = Zn2+ + 2e-   ...

Q: A mixture of helium and neon gas is expanded from a volume of 17.0 L to a volume of 74.0 L, while th...

A:

Q: Periade Te of he Elements Chemistry Reference Sheet Caliormie Standerds Test Na CI Ce Se Cr Cu Ga Ge...

A: Electronegativity is the tendency to attract shared electron pair towards itself. 

Q: Synthetize 3-pentynal from 3-butynal using whatever organic/inorganic reagents are needed.

A: Organic reaction mechanisms:

Q: Draw a structural formula for the major organic product of the reaction shown. CH3CH2 H. C=C HBr H. ...

A:

Q: 2. Draw the structure of the disaccharide a -glycosyl(1-6)-galactose in the B anomeric form and circ...

A:

Q: Calculate the H+] and pH of a 3.05 x 10¬4 M nitrous acid solution. The Ka of nitrous acid is 7.10 x ...

A:

Q: 2. Draw the structure of the disaccharide a -glycosyl(1-6)-galactose in the B anomeric form and circ...

A:

Q: Solid potassium chromate (K2CrO4) is slowly added to a solution containing 0.50 mol L-1 AgNO3 and 0....

A:

Q: Nitrosyl bromide decomposes according to the chemical equation below. 2 NOBr(g) = 2 NO(g) + Br2(g) W...

A: First find out the value of C using initial and equilibrium pressure. Using that find value at E for...

Q: 4. Lead (I) iodide can be produced from the reaction of lead () nitrate and potassium iodide. What m...

A:

Q: Determine the vapor pressure lowering of a solution made by dissolving 218 g of glucose (C6H12O6) in...

A:

Q: Be sure to answer all parts. Liquid nitrogen trichloride is heated in a 2.50-L closed reaction vesse...

A:

Q: Choose a heating curve for 1 mole of ethanol beginning at 140 K and ending at 380 K. Assume that the...

A: Answer: This question is based on the basic understanding of heating of crystalline substances, thos...

Q: Calculate the formula of a compound having the following composition: Na = 27.38 %, H = 1.19 %, C = ...

A:

Q: Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your ...

A:

Q: Provide a reason of using ammonnum hydroxide and ammonium chloride in precipitation of Group IV cati...

A:

Q: ACT 2. USING COLLIGATIVE PROPERTY TO GET THE MOLAR MASS 12.61 The molar mass of benzoic acid (C,H;CO...

A: 12.61 The molar mass of benzoic acid (CH₂COOH) determined by measuring the freezing-point depression...

Q: What is the pH of a buffer solution would be if a little amount of acid is added? same acidic basic ...

A: Solution that resists Change in pH upon the addition of a small amount of strong acid or strong base...

Q: What were Antoine Henri Becquerel's contributions to nuclear chemistry? Why were they so important? ...

A: What were Antoine Henri Becquerel's contributions to nuclear chemistry? Why were they so important. ...

Q: A mixture of krypton and argon gas is compressed from a volume of 73.0 L to a volume of 30.0 L, whil...

A:

Q: The label is a reagent to which he had specified on the label only the alcohol name and molecular fo...

A: A question based on NMR spectroscopy that is to be accomplished.

Q: heat HN ElN (weak base) OCH conc. conditions draw 2 or 3 repeat units of the polymer product H2SO4 N...

A:

Q: What is the molarity of ZnCl2 that forms when 25.0 g of zinc completely reacts with CuCl2 according ...

A:

Q: Determine the conjugate base/acid of each (with solution). What strong base can deprotonate the alco...

A: Concept is based on Conjugate acid-base pair.

Q: 4а. Vs What is the relationship between these two molecules? OH 4b. OH Vs What is the relationship b...

A: Isomerism  The molecules that have same molecular formula but different structural formula are isome...

Q: Calculate the pH during the titration of 30.00 mL of 0.1000 M ammonia with 0.1000 M HCl(aq) after 12...

A:

Q: Indicate the number of peaks that will show up in the 13C NMR spectrum of the given compound.

A: 13 CMR spectroscopy give information about carbon skeleton in organic compounds

Q: Assuming complete dissociation, what is the pH of a 3.72 mg/L Ba(OH), solution? pH

A:

Q: aqueous solution of HN3 when solid KN3 is added? Group of answer choices pOH increases. pOH decrease...

A: HN3(aq.) ---> H+(aq.) + N3-(aq.) If we add KN3 In the solution of HN3. Due to common ion N3- , eq...