Which one is INCORRECT? a.Br2 : electrophilic aromatic substitution b.Neutral KMnO4 : oxidation c.Lucas reagent : Nucleophilic substitution d.FeCl3 : oxidation e. all correct

Q: a Calculate AH for the reaction 2K(s) + 2H20(1) → 2KOH(aq) + H2(g) Substance and State AHf (kJ/mol) ...

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Q: Calculate the [NH3] in a solution of 0.610 M ammonium fluoride (NH,F). Hint: Use the Ka of HF (6.8 ×...

A: The correct Kc value is given below

Q: Calculate the concentration of HS in an aqueous solution of 0.111 M hydrosulfuric acid, H2S (aq). [H...

A: Hydrogen sulphide is weak acid so it does not dissociate completely to furnish hydrogen ion  Thus we...

Q: At 298.15K the osmotic pressure of the unknown substance was found to be at 2.25x10 Pa. If the conce...

A: Given:          (since 1 atm = 101325 Pa) Concentration of solution in Kg/m3 = 12.75 Kg/m3  Density ...

Q: Using valence bond theory, describe the types of bond between Xe and F present in the XeF2 molecule....

A:   Answer- According to valence bond theory, only the unpaired electrons present in the valence shell...

Q: 44-50. Proposed what are the surface preparation required in joining aluminum and its alloy?

A: Ans. Surface preparation required in joining aluminium: First of all a surface cleaning to remove an...

Q: (S)-2-Bromooctane MeOH, 50°C Meo Br MeOH, 50°C Br 1-BUOK 1-BUOH, 50°C

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Q: For the following statements about chemical equations, check the boxes that represent true statement...

A: A balanced chemical equation is an equation in which the number of atoms present on reactant side an...

Q: Create a WORD PROBLEM about Hess's Law. Show solution.

A: Hess's law asserts that the change in enthalpy in a chemical reaction is the same whether the reacti...

Q: CH3 R. 10. 11. R- 12. Br 15. I B 13. 14. 16. CuIF Br

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Q: For nos. 4 - 7: Consider a saturated solution of barium iodate in 0.025 M BaCl2. Ba(IO3)2(s) = Ba2* ...

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Q: (2) lulai How many grams of NaOH would be required to neutralize all the acid in ?75.0 mL of O.0900 ...

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Q: Flow Chart for the Determination of Group I Cations Ag', Pb, Hg, +6 M HCI ! centrifuge Solid AgCl, P...

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Q: A 25.00 mL sample of H3PO4 solution is neutralized by exactly 54.93 mL of 0.04345 M Ca(OH)2. What is...

A: Given Data :  1. Volume of H3PO4 = 25.00 mL  2. Volume of Ca(OH)2 = 59.93 mL  3. Molality of Ca(OH)2...

Q: A 1.0 L ideal gas at 15 0C and 2.00 atm contains 1.28 moles of gas. Calculate the new volume, in mil...

A: We can use ideal gas equation to calculate new volume.

Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1300. g of water...

A:     A bomb calorimeter contains 1300 g of water. 4.950 g of ethanol is put into the calorimeter and ...

Q: Question 3 What is the reaction order for the decomposition of p-toluenesulfinic acid? 3 CH3C6H4SO2H...

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Q: A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galv...

A: Reaction :-  2Ag(s) + 2Cl-(aq) + Cu+2(aq) ------> 2AgCl + Cu(s) 

Q: Thermosetting polymers chemically changed at high temperatures. True O False

A: Thermosets are polymers in which a crosslinking reaction occurs  and creating a three-dimensional (3...

Q: Given plane (1 0 1), calculate the density of Silver(Ag)

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Q: Consider the following unbalanced chemical equation. C5H12(1) + O2(g) → CO2(g) + H20(1) If 19.2 gram...

A:     Recall, the unbalanced chemical equation,   C5H12 (l)  +  O2 (g)                    CO2 (g)  +  ...

Q: 4. Fill up the missing words in this statement. The boiling point of a non-polar substance is ______...

A: Boiling point: The temperature at which the vapor pressure of a liquid becomes equal to the atmosphe...

Q: Question 2 of 20 Which of the following compounds would have the highest boiling point? H,C NH2 A) C...

A: Boiling point: The temperature at which the vapor pressure of a liquid becomes equal to the atmosphe...

Q: What are your preconceived notions about toxicology and safety of cosmetics?

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Q: OH B A

A: Chemical formula from the given structure  A = C5H12O , B = C5H12O

Q: 7.) Given: Solubility product for a series of hydroxides: Ksp = 4.0 x 10-10 = [BiO*][OH] Ksp = 7.0 x...

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Q: This question has multiple parts. Work all the parts to get the most points. Calculate AH for the re...

A: In part A  Given that , 2K(s) + 2H2O(l) ---> 2KOH(aq) + H2(g)  And we have to determine ∆H°  Give...

Q: 2) ОN- -CH,CI CH,COONA CH3COОH sol.

A: Electron withdrawing substituents destabilize the carbocation that's why SN1 reaction tendency decre...

Q: How much energy is required to convert 35.0 g of water at 27.5°C to steam at 155.0°C? (specific heat...

A: Given, mass of water (m) = 35.0 g Initial temperature of water (Ti) = 27.5 °C Final temperature of s...

Q: Normal saline, a 0.90 %(w/v) solution of salt (NaCl)in water, is often used as an IV carrier fluid i...

A: Weight by volume percentage concentration = 0.90 % (w/v)  Mass of NaCl = 345 mg  Volume of the solut...

Q: In an atom, the charge of the dense fraction is similar to that .of alpha particles True False O Epo...

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Q: а. cat. HySO. b. OH HBr

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Q: gangue and copper sulfate is to be leached in a countercurrent multistage extractor using pure water...

A: Solution - According to the question - Given - X0 = 1200 /10000 = 0.12 R0 = 8 / 92 = 0.0869 From kre...

Q: A volume of 500.0 mL of 0.110 M NaOH is added to 525 mL of 0.250 M weak acid (K, = 2.53 × 10–5). Wha...

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Q: Example: A phosphorus oxide contains 43.64% P and 56.36% O and its experimentally determined molar m...

A: Given compositions--- % P= 43.64 % % O = 56.36%  Molar mass = 283.89 g mol-1 Empirical and molecular...

Q: Part A Place the following elements in order of decreasing atomic size: silicon, nitrogen, helium, p...

A: Atomic radius: The distance between the nucleus and the outermost electron is known as the atomic ra...

Q: Reaction product ( HCI + .Ethylene) is 1-Chloroehtane True False O Quantum is the amount of .energy ...

A: 1) True 2) True

Q: Which of the following statements is TRUE about activities? The activity coefficient of an ion incre...

A: Here we have to tell about statements that which are true or false. These are regarding about activi...

Q: In the electrolysis of an acid solution, oxygen can be produced by the following half-reaction: 2H20...

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Q: Calculate the needed reagents in preparing 250mL of 0.200M KH2PO4-K2HPO4 buffer with pH of 7.40. (Mo...

A: Given: Total concentration of soluion = 0.200 M Volume of solution = 250 mL = 0.250 L               ...

Q: a) When prepping a Grignard reagent, iodine is usually added. Explain the importance of the amount o...

A: (a). Iodine acts as an activator in the grignard reaction. Addition of a tiny crystal of iodine is t...

Q: 1) Consider the following 5 compounds: NH2 H3C- -H- NHh = white Cos H=red NH2 NH2 NH2 COOH H- -COOH ...

A: A question based on stereochemistry of organic compounds that is to be accomplished.

Q: An element has three naturally occurring isotopes with the following masses and abundances (in paren...

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Q: ammonium perchlorate The pH will be less than 7. barium nitrite The pH will be approximately equal t...

A: The solutions which are acidic will have pH less than 7, more than 7 will be basic and having pH 7 w...

Q: (a) Differentiate the stretching frequencies of CO between two isomers of Co(CO);Cl2(PPh3) in their ...

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Q: Automotive antifreeze consists of ethylene glycol, C2H602, a nonvolatile nonelectrolyte. Calculate t...

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Q: What will be the pH if 75 ml 1.0 M HCI is added to 100 mL of 1.0 M NaOH?

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Q: Which of the following colligative properties is attributed to the process of pickling? Choices: Vap...

A: Colligative properties are those properties which depends on amount of solute and doesn't depends on...

Q: Balance the following redox equations using the half-reaction method: a) H2SEO3 H2S → Se + HSO,1- (H...

A:

Q: Which of the following compounds would you expect to show ultraviolet absorptions in the 200 to 400 ...

A:   a) Due to lack of conjugation, we need to talk only simple alkene. For simple alkene its value nea...