Oli. 5

Q: Which correctly describe(s) a neutral condition? Select one: %3D b. Both A and B. С. 1 х 10-7 МHCL d...

A: In the given question, the minimum conditions required for a chemical solution to be called as neutr...

Q: the molecule in questionrepresents an enantiomer or ameso compound? This molecule isoptically active...

A: We have to Justify, including in its definition the concept of compound meso and enantiomer as follo...

Q: Crude oil must be refined before it can be used as fuel. What does "refined" mean? * taxed burned cr...

A: 1st question  Correct Option : Purified   Refining means purifying.It is a process by which impuriti...

Q: Solid lead chromate and solid barium chromate are in equilibrium with a solution containing 1.14×10-...

A: Note - Since you have asked multiple question, we will solve the first question for you. If you wan...

Q: Which of the following is NOT an amphiprotic species? Select one: • a. H,PO4 • b. H20 3- С. РО 4 2- ...

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Q: 4. The mass of silicon atoms is * no. of Si atoms 1.63x102 atom [Avogadro's = O 1.04 x 10 g O 4.58 x...

A: Given,  Number of Si atoms =   1.63 x 1021 atoms  Calculate the mass of Si atoms = ?  Options are : ...

Q: a. Which is a stronger acid? a or b? NH2 NH3 b a b. If nitration is done on both of them, draw the s...

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Q: Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and 75.5 g of H2

A: We have given that  Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and 7...

Q: What is the experimental procedure (laboratory technique) in making phenol from benzene?

A: 1. In laboratory phenol is prepared by Cumene-phenol process in a very large scale. 2. Cumene is fir...

Q: If pH of a solution of NaOH is 12.3, then what is the value of [H+] ? O 12.3 M O 5.01x10-13 M O 5.01...

A: Given that the pH of a solution of NaOH is 12.3. To calculate the [H+] of the given solution.

Q: Propose an efficient synthesis

A: The detail solution is given below - 

Q: SrF2(s) ⇄ Sr2+(aq) + 2F-(aq)      Ksp = 2.0 x 10-10 25.0 mL of 0.160 M Sr(NO3)2 is mixed with 75.0 ...

A: Answer = The correct option is (b) 8.2×10-5 M Solution -

Q: The equilibrium constant for the production of carbon dioxide (CO2) from carbon monoxide (CO) and ox...

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Q: 2. Emission is observed at wavelength of 379.90 nm for transitions from excited state of the hydroge...

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Q: Represent the two conformations inchair for the indicated molecule anddiscuss the relative stability...

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Q: A solution was prepared by mixing 20.0 mL of o.050 M HCl and 5.00 mL of 0.1 M NaOH. What is the pH o...

A: Given: The volume of HCl, (V1) = 20 mL. The volume of NaOH, (V2) = 5 mL. The concentration of HCl, (...

Q: A compound is composed of 54.50% O, 4.58% H and 40.92% C by mass. If the compound has a formula wei...

A: Empirical formula- It represents simplest whole number ratio of various atoms present in the compoun...

Q: Question 1 (a) Distinguish between the differential rate law and the integrated rate law. Which of t...

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Q: Consider the following cell: Pt(s) | H2(g, 1 atm)|H*(aq, ? M) I| Ag*(aq, 1.0 M) | Ag(s) Calculate th...

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Q: Use the dropdown menu to answer the following questions about the structures (1-4) show 1 2 3 Are 1 ...

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Q: 7. Identify the reducing agent in the following chemical reaction. 5Fe2 (aq) + MnO, (aq) + 8H* (aq) ...

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Q: MgBr HCN Ether/ H30* KMNO4 + A B LIAIH, OH CH3-C-CH, NH2

A: LiAlH4 can reduce CN group in to CH2NH2 group. HCN can add on ketone group. KMnO4 oxidises alcohol i...

Q: Use electron configuration and orbital diagram to account for the trend in electron affinity from li...

A: Electron affinity is the amount of energy released when electron is added to an  isolated gaseous at...

Q: Consider the following reaction             CO(g)+ H2O (g) ↔ CO2 (g) + H2(g) + heat When the follo...

A: Reaction shifts towards the minimum number of moles of reactants or products to get equilibrium.

Q: When ΔG for an isolated system is equal to zero, the system is said to be a. In a phase transition b...

A: Gibbs free energy is a thermodynamic potential which can be used to calculate the maximum reversible...

Q: Use the following data and the Born-Haber cycle to calculate the first ionization energy (ΔH IE1) of...

A: given, (i) K(s) → K(g) 89 kJ mol-1 Cl(g) + e– → Cl–(g) -349 kJ mol-1 K(s) + ½ Cl2(g) → KCl (s) -437 ...

Q: The following series of kinetics data (experiment 1 -4) of initial rates and their initial reactant ...

A: Rate of reaction is the rate at which its reactants are consumed or products are formed. Rate law is...

Q: The amino acid glycine, C2H;NO2, is one of the compounds used by the body to make proteins. The equa...

A: Given: The reaction is as follows: C2H5NO2(s) + 9O2(g)---------->8CO2(g) + 10H2O(l)  + 2N2(g). ∆H...

Q: Vhat usually happens to the solubility of gas as temperatures increases---- nswer

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Q: What is the ∆rxnG° (in KJ/mole) for a mole of an ideal gas as pressure changes from 0.1 Pa to 1×10^5...

A: Del G is the Gibbs free energy of the reaction .it is at constant T and in standard condition so we ...

Q: When 1.74g of unknown sample was treated with BaCl2 solution,2.399g of BaSO4 was obtained as product...

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Q: Discuss the structure of NO, in terms of resonance and in terms of delocalized a bonding.

A: Resonance structures = They are group of two or more lewis structure of a single molecule representi...

Q: For the volta battery below; Ag(k) Ag+1(0.015 M) || Fe+3(0.055 M), Fe+2(0.045 M) | Pt(k) EoAg+/Ag= +...

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Q: How many moles of Na are there in 1.28 x1025 atoms of Na?

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Q: H.

A: Given, 

Q: All of the following statements about entropy are true except for: 1 it is a measure of the energy d...

A: Entropy is a form of energy which measures disorderness of system. Change in entropy = Change in hea...

Q: A rock contains 0.232 g of Pb-206 to every 1.00 g of U-238. Determine the age of this rock assuming ...

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Q: .

A:  Dilute solution viscosity measurement for polymer molecular weight determination: Dilute solution v...

Q: NO2 Propose an efficient synthesis NH2

A: We have to draw the product  for efficient synthesis as follows in step 2:

Q: a) In each of the following cases, give three examples only: Strong monoprotic acid HNO3 (19 Weak di...

A: A monoprotic acid donates only one proton or hydrogen atom per molecule to an aqueous solution. Stro...

Q: Part C What is the electron geometry around Cl in the expanded octet structure? Tetrahedral O Trigon...

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Q: When 4.88 g of a solid mixture composed of NH4CI and CaC2 was dissolved in 100.0 mL of water, the te...

A: When another component is added to a liquid (a solvent), the boiling point of the liquid (a solvent)...

Q: Determine the molarity of an AgNO3 aqueous solution that is 31.5% by mass given that its density is ...

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Q: An acidic solution turns blue litmus paper to red. Select one: O True OFalse

A: Litmus paper is the test of acidity or basicity of any solution. When blue litmus paper is placed in...

Q: Why is the IR spectrum of a gaseous compound more complex than the same compound in liquid or solid ...

A: Answer - IR spectrum - Infrared spectroscopy is the measurement of the interaction of infrared radi...

Q: 16. Complete the table below to provide a general summary of the variation in certain periodic prope...

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Q: chemist performs the following reaction: PCl5 (aq) + 4H2O (l) ⟶ H3PO4 (aq) + 5HCl (aq) If she has 26...

A: Given :  Mass of PCl5 = 26.4 gm  molar mass of PCl5 = 208.5 gm/mole  Molar mass of water = 18 gm/mol...

Q: Write a balanced equation for the reaction that occurs when a) solid calcium carbonate reacts with n...

A: In a balanced reaction, there must be an equal number of atoms of all elements on both sides of the ...

Q: 33.3 ml of a liquid is reduced to 17.4 ml after 10 minutes. Find the rate of evaporation of this liq...

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