using the matrix way

Q: Give only typing answer with explanation and conclusion 1) A buffer solution contains 0.308 M acetic…

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Q: Calculate the molarity of a solution prepared by dissolving 14.5 g of BaCl_2 in 250 mL of solution.

A: Mass of BaCl2 = 14.5 g Volume of BaCl2 = 250 mL Molar mass of BaCl2 = 208.23 g/mol

Q: Select the choice that best describes the relationship of the pair of compounds. The compounds are:…

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Q: For the Cell The electromative force 1qtm cd / cd (OH)2 ₁ / Nach (0.01 M)/Hz/pZ at 25 & equal Zero,…

A: Electromotive force at 25 0C = 0EMF force to electrode Cd/Cd+2 = 0.4 V

Q: ▼ Part A How many grams of are produced from 125 g of O₂ and excess CH₁? [Molar mass (g/mol): CH4 =…

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Q: Classify each of the following types of lipids as (1) an energy-storage lipid (2) a membrane lipid…

A: Lipid - Oxygen containing hydrocarbon organic non-planar molecule which can help to form the…

Q: CI т-ухон

A: Reaction 1 :Formation of Chloroethyl benzene from chlorobenzeneReaction 2: Formation of 2,4 -…

Q: Thermite" reactions have been used for welding metal parts such as railway rails and in metal…

A: Heat absorbed by the surrounding = 227.3 kJ/molSurrounding temperature = 298.15 K

Q: You prepare a buffer by mixing 0.15 mol propanoic acid (pKa = 4.87) and 0.25 mol sodium propionate.…

A: Mole of propanoic acid = 0.15 molMole of sodium propionate = 0.25 molpKa = 4.87 Mole of NaOH = 0.025…

Q: When neptunium-237 is bombarded with a neutron, the neptunium-238 that is produced undergoes nuclear…

A: Nuclear fission is defined as the breaking of a nucleus of an atom into two smaller stable isotopes…

Q: 20) How many a-cleavages are possible for this molecule? 'N

A: We have find out the answer

Q: A student wishes to make a buffer that has a pH of 4.65.  The student has HNO2 and NaNO2.  Nitrous…

A: A buffer mixture is formed by the mixing of weak acid with its conjugate base or mixture of weak…

Q: 3. Complete the following reaction equations by giving the major produc intermediates and relevant…

A: We have find out the answer. Note~as per our company guidelines we are supposed to answer only first…

Q: Use the balanced equation for the reaction forming malachite to answer the following questions.…

A: The balanced chemical equation for the formation of malachite is

Q: 1. Why is it recommended to have a carbon monoxide detector on each floor of a home?

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

Q: Identify the type of nuclear decay that occurred in each of the following: (a) Ruthenium-102 was…

A: The symbols of alpha, beta, electron, and positron are respectively.

Q: Identify the class type of compound shown: NaCl Strong Base Strong Acid O Weak Base Neutral O Weak…

A: Strong acid + strong base = neutral saltStrong acid + weak base = acidic salt Weak acid + strong…

Q: Determine the number of atoms of O in 68.7 moles of Al2(SO4)3.

A: Given, moles of Al2(SO4)3 = 68.7 mol From the molecular formula of Al2(SO4)3 we can see that one…

Q: 35. Write the complete ionic and net ionic equations: NaOH + Al(NO)3 -> Na(NO3) + Al(OH)3

A: Given,The reaction :NaOH + Al(NO3)3 → Na(NO3) + Al(OH)3  Note: There is a subscript 3 in Al(NO3)3…

Q: 13) Consider [MnX6]4, where the ligands, X are especially strong-field ligands and are monodentate.…

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Q: At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH =…

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Q: Which compound does not contain electrons that can delocalize? ( CH,-C=C-CH, Q CH;-CH=CH, O CH₂ CH₂…

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Q: 4. Given (50.50, 50.90, 50.10, 52.50), calculate Qcale: a) 0.97 b) 0.83 c) 0.87 d) 0.67 the…

A: Given data is : 50.50 , 50.90,  50.10 , 52.50Qcalc is to be calculated :

Q: Explain, with the help of a suitable graph, why it takes more energy to heat a constant volume of…

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Q: Which of the following statements is correct? The heaviest known element that occurs naturally is…

A: Transmutation refers to the process of transforming or converting one substance into another. It…

Q: What other substrates can be used to produce vinegar?

A: Vinegar is acetic acid solution, chemical formula of acetic acid is CH3COOH

Q: Complete the following reaction by writing the name of the product. 8. Ni or Pl H₂ ?

A: Reagent  - H2 and Ni or Pt are strong reducing agent which reduces aldehyde to primary alcohol and…

Q: A certain liquid x has a normal boiling point of 94.30 °C and a boiling point elevation constant…

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Q: Substances A and B have retention times of 16.40 and 17.63 min, respectively, on a 30.0-cm column.…

A: Since you have posted a question with multiple sub parts, we willprovide the solution only to the…

Q: Calculate the mass, in grams, of a sample that has a volume of (73.60 ± 3.20)mL and a density of…

A: Given: Volume = (73.60 ± 3.20) mL            Density = (12.00 ± 0.02) g/mLTo calculate the mass of…

Q: O Macmillan Learning The dotted arrow in this reaction is a placeholder. Select the arrow that best…

A: The compound which provides hydrogen ions are known as acid. The compounds which accept hydrogen…

Q: A closed system at 150 °C initially contained 10 g of NH4Cl(s) before reaching equilibrium. The…

A: Pure solids and liquids are not considered while writing the equilibrium constant expression.

Q: 23. The following electron configuration, 1s22s22p 3s 3p 4s¹ represents which element? A. argon (Ar)…

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: For the equilibrium 21Br(g) 12(g) + Br2(g) Kc = 8.50 × 10³ at 150 °C. If 0.0600 mol of IBr is placed…

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Q: How many picograms in 1.2 gigagrams?

A: Convert 1.2 gigagrams to picograms:Note:1 gigagrams = 109 grams1 grams = 1012 picograms

Q: What is $4 million written in standard form?

A: I general a measurement or calculation can be written in the number form which can be in a large…

Q: 10. Given the following decomposition reaction, calculate the moles of lithium chloride produced…

A: Given,The balanced decomposition reaction:2 LiClO3(s) →∆  2 LiCl(s) + O2(g)moles of LiClO3 = 5.00…

Q: 29. Consider the following balanced equation: 4NO2 + O2 2N₂O5 How many moles of N₂Os are required to…

A: Balanced chemical equation : 2N2O5 ➡️ 4NO2 + O2  Weight of NO2 formed = 62.7 g Molecular weight of…

Q: lubili es a 5. A solution is prepared, and contains 0.313 M aqueous sodium cyanide (NaCN). What is…

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Q: Part 2 out of 12 Choose the best option for the precursor to the epoxide intermediate. CH3 CH3CH₂O…

A: The three membered heterocyclic ring having oxygen as heteroatom is known as epoxide ring. The…

Q: At 40°C, H₂O₂ (aq) will decompose according to the following reaction: 2H₂O₂ (aq) → 2H₂O(l) + O₂(g)…

A: Time-concentration data for decomposition of H2O2 is given.

Q: Most of the sulfur used in the United States is chemically synthesized from hydrogen sulfide gas…

A: Hydrogen sulfide gas reacts with dioxygen gas to produce gaseous sulfur dioxide and water.Reaction…

Q: Give only typing answer with explanation and conclusion 1. Given the known heat of vaporization…

A: Experimentally determined ΔH = 41.55 kJ/mol = experimental valueAnd Known value of ΔH = 44.01 kJ/mol

Q: If the polypeptide sequence shown below was found within a larger protein, what kind of secondar…

A: In a helix, the carbonyl (C=O) of one amino acid is hydrogen bonded to the amino H (N-H) of an amino…

Q: Write the chemical equation for the formation of acrolein from glycerol and potassium bisulfate.

A: Glycerol is dehydrated under acidic conditions in the chemical equation for the synthesis of…

Q: half-reaction 2 H₂O(1)+2e - H₂(g) + 2OH(aq) standard reduction potential Ered=-0.83 V red=+1.065 V…

A: The half cells given ;  1) 2 H2O(l) +2e- →H2(g) + 2OH-(aq)                E°red =-0.83 V2) Br2(l) +…

Q: If you have 5.2 g of CaCl_2 an you want to make a 2.5 M solution, what volume in liters should…

A: mass of CaCl2 = 5.2 gMolarity of the solution = 2.5 M = 2.5 mol/LVolume of the solution = ?…

Q: Calculate the density of a sample that has a mass of (71.80 ± 3.30)g and a volume of (89.50 ±…

A: Density :   Density is the measurement of how tightly a material is packed together. It is defined…

Q: 23. What is the percent oxygen by mass in Al2(SO4) 3?

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Q: A mixture of NaBr, Nal and NaNO3 weighs 0.6500 g. With AgNO3, a precipitate of the two halides is…

A: To determine the percentage of NaNO3 in the original sample, we need to calculate the mass of NaNO3…