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Q: Which of the following species can be Brønsted–Lowry acids: (a) HF; (b) HSO 3 −; (c) Cl 2?

A: According to Bronsted Lowry concept of acid and base an acid is compound which is able to donate a p...

Q: 20. Predict the major product of the following nucleophilic a omatic substitution reaction. CH,NH, d...

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Q: Determine the structure of this NMR spectrum Provide the chemical shift, splitting pattern of signa...

A: Solution: In the question they have mentioned that compound name is para-bromonitrobenzene. 1H NMR: ...

Q: Select the best answer. HO .CI R i.e. R 1 The aromatic group will be abbreviated as "R in the potent...

A: Using thionyl chloride (SOCl2), phosphorous trichloride (PCl3) or phosphorous pentachloride (PCl5). 

Q: For the following reaction system at equilibrium, which one of the changes below would cause the equ...

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Q: b. Write the reaction mechanism for each using the right arrows and define it as Sn2, Sn1, E2 or E1....

A: All details explanation in Handwritten solution .

Q: 40. The elements Si and P are added to steel to improve its properties in electric motors, and some ...

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Q: Exactly 1 mole of Mg2ClO contains how many moles of Mg, Cl, and O

A: 1 molecule of Mg2ClO contains 2 Mg atoms  1 Cl atom  1 O atom  

Q: Name the following heterocyclic compounds using replacementnomenclature only:

A: Rule of IUPAC- 1) Longest chain as parent chain. 2) Numbering start from those side where more prior...

Q: Identify which carbon (number) has the chiral center (Task 5) hello.

A: A chiral carbon or assymetric carbon is atom which is attached to four different substitutents or gr...

Q: Question: How to get rid of colored impurities in the recrystallization process? Explain that in det...

A: Recrystallization is a chemical purification process. By dissolving all impurities and a compound in...

Q: Consder the following equilibrum  PCl3 (g) + Cl2 (g) ↔ PCl5 (g) ΔrH°=-92 kJ/mol The concentration of...

A: Applying le-chatelier principle of effect of external influence on chemical equilibrium.

Q: Explain how the law of definite proportions applies to compound.

A: In chemistry, a number of laws are proposed t explain the nature of compounds, molecular, or ions. T...

Q: Trimethyl Phosphite reacts with bromomethane to afford the product shown below via a two-step mechan...

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Q: A system gains 727 kJ727 kJ of heat, resulting in a change in internal energy of the system equal to...

A: As we know; deltaU = Q + W  where delta U is change in internal energy  Q = heat produced  W = Workd...

Q: 05 A sample of limestone (containing calcium carbonate, CaCO3) weighing 438 mg is treated with oxali...

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Q: Give the number of valence electrons in each element. Write out the electronic confi guration for th...

A: The outermost orbital shell of an atom is called its valence shell. Valence electrons are the electr...

Q: The standard molar enthalpy of vaporization of ammonia is 23.35 kJ/mol at its standard boiling point...

A: P1 = 1 atm P2 =? T1 = -33.4°= 239.75 K T2 = 15°= 288.15 K R= 8.314 J / mol. K Enthalpy of vaporizati...

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Q: Compare and contrast mass and weight.

A: Some terms are quite often interchangeably used but have minute differences between them. The mass i...

Q: 1a. Consider the following half reaction and add the correct number of electrons to the approtiate s...

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Q: 1. Predict the major product of each of the following reactions. а. Ме. acetic anhydride H2SO4 b. Ме...

A: Anisole is a ortho para directing group  Acetophenone is a meta directing group. 

Q: An ideal gas is allowed to expand from 3.80 L3.80 L to 36.1 L36.1 L at constant temperature. By what...

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Q: Given that K(eq) = K(sp), calculate concentration of the aqueous cation formed at equilibrium when e...

A: Given:  K(eq)=K(sp)=5.54 × 10-8 The reaction is as follows; TiI→Ti++I-    

Q: In compounds, the metals of groups 1 have oxidation numbers of +1. Select one: O True O False

A: Group 1 metals also known as alkali metals  have the general electronic configuration 1s1.

Q: In an experiment, 10.00 g of red mercury(II) oxide powder is placed in an open flask and heated unti...

A: In this problem e have to find the mss of oxygen formed by using the law of conservation of mass. Ac...

Q: The source of bitterness in dark chocolate is the compound theobromine, an alkaloid present in cocoa...

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Q: A sample of xenon gas at a pressure of 955 mm Hg and a temperature of 39 °C, occupies a volume of 9....

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Q: Which of the following is NOT a property of a buffer solution?   Question 8 options:   ...

A: Using fundamental properties of buffer solution.

Q: For a generic reaction A (g) ↔ B (g), it is found that Q>K.  Which statement is true?     T...

A: The reaction quotient is a quantity that provides a measurement of the relative quantities of produc...

Q: After the sinking of RMS Titanic, US operated the International Ice patrolwith the purpose of monito...

A: Given:- Dimensions of rectangular iceberg , Length = 250km Breadth= 50km Height= 0.3km Volume of rec...

Q: Qz// Calculate the pH for o.2M Ammonium acetate, the ionization constant for Acetic acid * and Ammon...

A: The value of pH represents the concentration of the hydrogen ions present in the solution. Greater t...

Q: One mole of an ideal gas occupies 22.4 L at standard temperature and pressure. What would be the vol...

A: Given :- volume at STP is 22.4 L or we can say initial volume is 22.4 L (at 1 atm pressure and 273 k...

Q: A sample of helium gas occupies a volume of 8.03 L at 60.0°C and 364 torr. If the volume of the gas ...

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Q: A sample of helium gas occupies a volume of 9.12 L at 54.0°C and 0.640 atm. If it is desired to decr...

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Q: What are resonance structures?

A: Resonance structures are the structures which have same arrangements, positions and connectivity of ...

Q: Needing help with all questions

A: Solution :      pH       pH is a quantitative measure for the acidity or basicity of the solution. T...

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 153.0 mg sample...

A: Given data,  Mass of the sample of a pure substance= 153.0 mg = 153.01000gm= 0.153 g Temperature cha...

Q: A balloon is filled with 81.0 g O2 gas at STP. Calculate the volume of the O2 gas in liters

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Q: 3. The reaction of (Z)-3-Methyk-3-hexene with H,O/HSO, produces 3- Methyl-3-hexanol (75 % yieks) (a)...

A: Acid catalysed hydration of alkene .

Q: Define substance and give two examples of things that are substances.

A: The matters are defined as a substance, mixture, element, or compound. Each category of matter repre...

Q: Write a balanced chemical equation (using chemical formulas or organic structures) to illustrate the...

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Q: help My acohol is 1-hexanol. Thank you

A: Carboxylic acids undergo esterification with alcohols and phenols to form esters. The reaction takes...

Q: Name the following heterocyclic compounds using replacementnomenclature only:

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Q: A 45.0 mL sample of 0.200 M Lysergie Acid Diethylamide, LSD, is titrated with 0.200 M of NaOH. Calcu...

A: pH of a solution represents the amount of hydrogen ion concentration present in the solution. Simila...

Q: 9.34 g of an unknown gas occupies 8.97 L at 45 Celsius and 1.31 atm. What is the molecular mass of t...

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the numbe...

Q: When considering the solubility of Potassium Phosphate, a student realizes that no solubility produc...

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Q: Q2 A sample of 0.7 g of benzoic acid was taken and a re-crystallization process was performed, so th...

A: Recrystallization is a regular process carried out after organic synthesis with the aim to obtain a ...

Q: what volume, in ml of ethanol (C:H.O), are present in the bottle?

A: Given :- %v/v = 6.50 %           Volume of solution (beer) = 750.0 mL  To be calculated :- volume of...

Q: In the laboratory, a student dilutes 17.6 mL of a 6.83 M hydroiodic acid solution to a total volume ...

A: Given data,Initial molarity of HI (M1)=6.83MInitial volume of HI (V1)=17.6mLFinal volume of HI (V2)=...