5. How many grams of Calcium will it take to replace 1 gram of Hydrogen?

Q: The bombarded fragments forms a radical is represented by a mass charge ion ratio known as L)? molec...

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Q: The y-carboxyl group of Glu has a pK.-value of 4.2; a-COOH = 2.2; a-NH, = 9.7 Calculate the percenta...

A: Glutamic acid is an acidic amino acid. It has three ionizable groups i.e. gamma carboxyl, C-terminal...

Q: True or False? Urushiol is a hydroxy derivative of phenol. Isoeugenol is used to treat inflammation...

A: We have to tell whether the statement is true or false.

Q: For each molecule, determine the hybridization of the central atom. Use orbital box diagrams to show...

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Q: A 0.7205 g of potassium hydrogen phthalate is titrated to the equivalence point by 21.08 mL of bariu...

A: Molarity is the ratio of moles of solute to volume of solution in Litres.   

Q: If the following enthalpies are known: A+ 2 B- +2C + Donding AH = - 95KJ B+X C AH = + 50kJ %3D What ...

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the ...

Q: plz answer both questions I'll upvote

A: A solution was prepared by dissolving 0.02 moles of Ethanoic acid (HOAc; pKa = 4.8) in water to give...

Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the questi...

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Q: Set up the following reactions. Each reaction has to be balanced. a) Ethane reacts with Oxygen in a ...

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Q: A 3 mL sample of concentrated nitric acid solution is diluted to 150 mL. A 15 mL sample of the dilut...

A: Answer: This question is based on the stoichiometric calculation where we have to convert the number...

Q: What is the significance of winterization of oil?

A: The process winterization refers to the extraction and elimination of the substance which have no us...

Q: How many grams of Pbl2 WIII be formed? Mass Pbl2 = What will be the molar concentrations of all the ...

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Q: Group Activity no. 3 Explore the concept of recycling plastics. Which among the polymers can be recy...

A: Plastics are inexpensive, lightweight and durable materials, which can readily be moulded into a var...

Q: the first-order decomposition of dinitrogen pentoxide at 335 K, N2O5(g) → 2 NO2(g) + ½ O2(g) if we...

A: Given  Time (t) = 109 s Initial amount (A0) = 2.5 g Amount after time t (At) = 1.50 g Rate constant ...

Q: Experiment name: Heat o solution (potassium nitrate with water and Tris with hydrochloric acid) in 6...

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Q: What is the molarity of a solution that is composed of 9.010 g of Na2CO3 dissolved into water to mak...

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Q: Monobromination Reaction. Draw the products for the monobromination reaction of 1,2-dimethylcyclopen...

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Q: 0.450 g of HClO3 in 2.10 L of solution

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Q: The pH of a solution is 9.65. The solution is Land the hydroxide concentration is than the hydronium...

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Q: boiling point boiling point BPtof pure A vapour composition liquid composition Bpt of pure B OA 1.0B...

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Q: For a 0.450 mol L-1 solution of formic acid (HCOOH) answer the following questions. The Ka of formic...

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Q: Fill in the blanks: The ratio of the solubilities of an extract in two different solvents during ext...

A: This can be solved by using Nernst distribution law.

Q: Table 2. Optimum temperature determination for novel a-amylase Volume of pH 6.7 buffer (mL) Test Vol...

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

Q: Calculate the kinetic energy of  53  moles of N2 at 262 °C. (R = 8.314 JK–1 mol–1)

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Q: . What is the osmotic pressure of a solution if 1.50 grams of BaCl₂ has been mixed in a 200mL of 0.5...

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Q: metal ions: Cu2+, Co2+, Ba2+, Pb2+, Ag2+ , Mn2+, Ca2+, and Bi3+. How can these ions

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Q: A) An aqueous solution of sodium nitrate, NaO3, is made by dissolving 21.6 grams of sodium nitrate i...

A: Given data,Mass of sodium nitrate=21.6gVolume of solution of sodium nitrate=500mLMass of ammonium fl...

Q: Jose mixed 10 grams of calcium phosphate and 10 grams of potassium carbonate in an aqueous environme...

A: Given,  10 grams of calcium phosphate mixed with 10 grams of potassium carbonate in an aqueous envir...

Q: What is the molar solubility of AgI Ksp = 8.3 × 10-17 in the presence of 0.05 M KI? Group of answer...

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Q: Thinking about the partial specific volume (v-bar) of a solute and how it plays a role in AUC and an...

A: The sedimentation coefficient is given by the expression:   s=m (1-v-ρ)f                         (A)...

Q: Can napthalene dissolve in cooking oil?

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Q: A barometer is used to measure the atmospheric pressure. If the barometer reading is 72.98 cm, and t...

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Q: Which of the following is a reversible reaction according to the way it is written? Ag^ + (aq)+Cl^ -...

A: A question based on stoichiometry that is to be accomplished.

Q: A solution is prepared by mixing 400 mL of 0.500 M NH3 and 195 mL of 0.500 M HCI. Assuming that the ...

A: Given-> Volume of NH3 = 400 ml Molarity of NH3 = 0.500 M Volume of HCl = 195 ml Molarity of HCl =...

Q: 2 a and b

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

Q: Metamorphic processes include re- crystallization of minerals and their interaction in the original ...

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Q: plz answer both questions I'll upvote

A: A solution was prepared by dissolving 0.02 moles of Ethanoic acid (HOAc; pKa = 4.8) in water to give...

Q: Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. a. 2.50 g...

A: Given,  Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. If...

Q: What is the molar solubility of zinc hydroxide in a buffer that has a pH of 7.00?(K sp (Zn(OH) 2) = ...

A: Here zinc hydroxide will be dissolved and gives Zn2+ ions in buffer solution. Hence the molar solubi...

Q: An Erlenmeyer flask contains 41.40 mL of a hydrochloric acid. The solution is titrated and reaches a...

A: At equivalence point,  Product of concentration and volume of acid and base is equal.

Q: A 5.70 g iron ore was dissolved in concentrated HCl. After the dissolution, the resulting solution w...

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Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and ...

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Q: WRITING FORMULA & NAMING COMPOUNDS Decide for the charge on eash ion, Write the correct formula the ...

A: The reaction occurs due to combining capacity of elements.

Q: Challenges and prospects of deploying Carbon Capture Utilisation and Storage (CCUS) at scale.

A: In the present scenario the contribution of fossil fuels in our energy needs is over 80%, while the ...

Q: (a) Vanillic acid is a phenolic compound found in vanilla and many other plant extracts. It is a fla...

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Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of sod...

A: Since you have asked a question with multiple subparts, we will answer only first three subparts for...

Q: 6. The percent ionization of 0.200M HOCI(aq) is 4.75%, determine the Ka of the acid.

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Q: Type the procedure for calibration of burette

A: Burette is an apparatus used in laboratory to measure amounts of liquid within chemical for process ...

Q: In this peptide the amino terminus is the amino acid Cys-Ala-Gly-Arg-Gln-Met a.arg b.Сys c.gln d.met...

A: Please find your solution below : Amino acids are the building blocks of proteins. These are the org...

Q: Use the molar mass of Ca3(PO3)2 to calculate the moles of oxygen in 6.66 x 106 g of CP.  Give your a...

A: given mass of  Ca3(PO3)2 = 6.66 x 106 g    Molar mass of Ca = 40.078 g/mol Molar mass of P = 30.974 ...

d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.