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Q: Phenolphthalein indicator is the frequently used indicator in the titration of HAC with NaOH The equ...

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into ...

Q: How many moles of water, H2OH2O, contain 2.0×10222.0×1022 molecules of water?

A: 1 mole = 6.022×1023 [ Avogadro's number ] If any compound consists of 6.022×1023 molecules , it is s...

Q: What property of water makes it a good medium for heat exchange in calorimetry? A) High liquid densi...

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Q: what are the names of these two molecules

A: Cyclic ring is the principal carbon chain in both molecule . To write the name of the compound give ...

Q: For the reaction   2AgNO3+Na2CrO4⟶Ag2CrO4+2NaNO32AgNO3+Na2CrO4⟶Ag2CrO4+2NaNO3 how many grams of silv...

A: Given :- mass of AgNO3 = 14.9 g  To calculate :- mass of Ag2CrO4 produced

Q: Convert 157 grams of calcium carbonate to moles of calcium carbonate

A: Given: given mass of calcium carbonate = 157g we know, Molar formula of calcium carbonate =CaCO3    ...

Q: a. How would the quantity of NH4C(s) that exists in equilibrium be decreased? Give two possible ways...

A: Using the Le chatlier principles we can explain. 

Q: Which of the following two conformations of cis-1-bromo-4-methylcyclohexane is more stable? Use the ...

A: Given two  conformations of cis-1-bromo-4-methylcyclohexane. To find the stable conformation and ene...

Q: Give the correct formulas for the following compounds. If you do not know how to use subscripts for ...

A: A)  MP B) M3(PO4)4 C) M3(PO3)2 D) MHSO4

Q: Balance the equation

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Q: Rank the alkenes from most stable (1) to least stable (4). A) B) C) Alkene A Alkene B Alkene C

A: We know that, stability of substitution increases when substitution increases. So, 

Q: Q3:- Draw and specify as R or S the enantiomers (if any) of: (a) 3-bromohexane (d) 1,3-dichloropenta...

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Q: What is the percent yield of this reaction?

A: The reaction of aluminum with gaseous oxygen can be expressed as,                        4 Al + 3 O2...

Q: 3. Assign oxidation states for all atoms in each of the following compounds a. H3ASO3 b. SbF6 c. C20...

A: Oxidation state or oxidation number is the degree of oxidation (or loss of electron) of an atom in a...

Q: Ammonia is manufactured by the Haber process. Naa+3Ha) Briefly explain how a change in temperature a...

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am ...

Q: Methylamine, CH3NH2, has a Kb of 4.4 x 10-4.  What is the pH of a 0.45 M solution of methylamine? Yo...

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Q: You mix 18.0g of ice that's at -25.0C with 150.0 mL of water that's at 38.0C. Once the ice has melte...

A: Heat released is given by  Q = m c (T2-T1) Where m is the mass of the substance  C is the specific h...

Q: a- conversion of Carboxylic Acids into Esters b- Hydrolysis of nitrites. c- Hofmann degradation of a...

A: Organic reactions are the reactions in which a reactant is changes into product in the presence of s...

Q: 31 and 36 pleasseee

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

Q: Help with these. please show work so I can check with my answers

A: The question is based on the concept of ideal gas equation. we have been given equilibrium pressure ...

Q: Q3:- Write equations to show all steps in the conversion of benzoic acid into: n-propyl benzoate ben...

A: By esterification we can get n propyl benzoate from benzoic acid .  Benzamide can be formed from ben...

Q: 4. In the reaction: CO,2- + H'* → HCO,"- Explain why CO,²² ion is considered a base in the above rea...

A: Every acid has a conjugate base, and every base has a conjugate acid. Another way to put it is…every...

Q: Compression is

A: Decreasing in volume is known as compression.  Pressure varies inversely with Volume of a real gas. ...

Q: |2. Give the major organic products expected in each of the following reactions. (c) NH catalytic H*...

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Q: Consider an isotope of sulfur with a mass number of 32. The number of neutrons in this isotope of so...

A: Given:mass no. of S = 32we know that,atomic no of S = 16alos,no of proton = atomic nono of proton in...

Q: Chemistry Question

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Q: 1. According to the the "alternate theory" of acids and bases, describe an acid and base: Acid: Base...

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Q: Calculate the pH after 0.020 moles of NaOH is added to 1.00 L of each of the folowing solutions: a)0...

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Q: Chemistry Question

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Q: The 'H-NMR of a compound with molecular formula C,H,Br consists of one signal: 1.8 (singlet, integra...

A: The question is based on the concept of Spectroscopy. we have been provided spectral data. we have t...

Q: A fuel-air mixture is placed in a cylinder fitted with a piston. The original volume of the mixture ...

A: Formula : Work done , W = -935 J W =-Pext( Vf - Vi ) -935 = - 0.836 ( Vf - 0.310 ) x 101.3  Vf = 11....

Q: 1.The prediction of melting point rank can be useful when discussing the different applications of s...

A: Melting point is the temperature at which a solid turns into a liquid. In theory, the melting point ...

Q: QUESTION 3 Which answer correctly shows the second step of an E1 mechanism? A) EIÖH B) EIÖH C) EIÖH ...

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Q: Chemistry Question

A: formal concentration= 2.30*1000/3500 =0.46

Q: What is the maximum number of stereoisomers for mannuronic acid?

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Q: 23:-Write equations to show all steps in the conversion of benzoic acid into: n-propyl benzoate benz...

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Q: Questions 1-3?

A: In a chemical reaction, the chemical balance is the condition in which both the reactants and the co...

Q: The pOH of an aqueous solution of 0.515 M phenol (a weak acid), C,H3OH, is Submit Answer Retry Entir...

A: Given that molarity of phenol is 0.515 M To find pOH?

Q: How can you explain that your second order reaction answer is right.  For  example-  - For a second ...

A: The Second-Order equation can be given as follows: kt=1[A]-1[A]∘ where k: Rate Constant in mol-1L.s-...

Q: a. What quantity (moles) of NaOH must be added to 1.0L of 2.0 M HC, H3O2 to produce a solution buffe...

A: a. In addition to base (NaOH) with a weak acid (CH3COOH), the following reaction is observed as- CH3...

Q: Q5:- Give structures and names of the principal organic reactants and products of the following reac...

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Q: Calculate the molarity of the following solution: 0.800 g NaOH (s) dissolved in distilled water, to ...

A: Molarity is the number of moles of solute dissolve in one litre of solution. So,   

Q: How many moles of KOH are produced from 12.0 mol of H₂0?

A: Ans  Reaction of water with K  K  + H2O ------------>> KOH  + H+ So one mole of H2O produced  ...

Q: When 12.0 mL of a 8.42×10M barium acetate solution is combined with 15.0 mL of a 2.62×10 M ammonium ...

A: Yes, on reacting barium acetate with ammonium fluoride precipitates will be formed. C4H6BaO4 + 2NH4F...

Q: What is the mass in grams of CuO that would be required to produce 10.50 moles of nitrogen gas in th...

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Q: но

A: IUPAC is abbrevated as International union of pure applied chemistry 

Q: Q. Scientists predict that lutetium (Lu) crystallizes with a face-centered cubic lattice and has a d...

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Q: • Electrons must absorb energy when they Electrons emit as they •A larger jump down would release (m...

A: Solution :      Absorption is a process that occurs when electrons gain energy(absorb) and then jump...

Q: 2- Calculate the weight of solute in grams for each of the followings solutions: (a) 43.5 mL of 0.17...

A: Here i have calculated the weight of solute in grams

Q: Which of the following is an example of a single displacement reaction? a) heating mercury (II) oxid...

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.