2 Why is the surface tension of pure water and sea water high? Why the surface tension of mestan and isopropane weak? Briefly

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H&O7, molar mass 192.12 g) was com...

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Q: Arginine is an amino acid which has the following pKa values: pK1: 2.17, pK2: = 9.04, pKR = 12.48. C...

A: So, the net charge of arginine at pH = 4 will be +1.

Q: Select the TRUE statement(s) for the following electrochemical cell: Cuts) | Cu(NO3)2(aq) | AGNO3(aq...

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Q: 14C is a radioactive isotope of carbon, with a half-life of 5730 y. If a mastodon tusk contains 2.65...

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Q: When Na2CO3, NH4Cl, H4SiO4 are mixed in water, what reactions occur, which species exist. and Wh...

A: Answer is as Follows :

Q: Br has 2 isotopes with spin 3/2. How to determine the Br-H spin- spin interaction in m- dibromobenze...

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Q: Oxygen was discovered by Joseph Priestley in 1774 when he heated mercury(II) oxide to decompose it t...

A: The molecular weight of oxygen is 32 gm/mol from the above equation we see that 32 gm O2 is formed f...

Q: FeSO4 PbSO4 Question 12 The spectator ions in the reaction of aqueous copper(II) chloride with aqueo...

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Q: Find the FALSE statement about the voltaic cell based on the two reduction half- reactions shown bel...

A: 1). More the reduction potential stronger will be the oxidizing agent and lesser the reduction poten...

Q: Using the following equation, determine the average concentration (molarity "M," moles per liter) of...

A: The questions asks to determine the concentration of acetic acid in vinegar in terms of molarity and...

Q: Draw the structure of the compound whose spectroscopy data follows: MS m/z (% relative abundance): 7...

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Q: It is estimated that the total amount of oxygen (O2) contained in BIFS is equivalent to 6.6% of the ...

A: Amount of oxygen present in atmosphere of BIFs = 6.6% of 21% of  5.01× 1018 Kg.    = 6.6100× 21100 ×...

Q: How would you synthesize the following compounds from butanenitrile using reagents from the table? U...

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Q: I. Determine the number of significa 1. 8.314 g 2. 5.008 x 10-2 mM 3. MMNACI = 58.44 g/mol %3D 4. 93...

A: According to guidelines, only 3 sub parts have to be answered.

Q: How would you convert the following compounds into butanoic acid using reagents from the table?

A:   Organic conversions : 1. Alkylhalide with NaCN gives alkylnitrile further upon hydrolysis cyanide ...

Q: How many grams of the following oxidizing substances constitute the gram milliequivalent weight in e...

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Q: Write a balanced chemical equation based on the following description: solid lead(IV) chlorite decom...

A:   • The given description is  " Solid lead (IV) chlorite decomposes to form solid lead (IV) chloride...

Q: Total volume ne of NaOH added (mL)

A: Molarity or concentration of acid is 0.10 M Molarity or concentration of NaOH is 0.05 M

Q: Which element is reduced in the following reaction? Cu(s) + H2SO4(aq) – CuSO4(aq) + SO2(g) + 2H2O(1)...

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Q: Same reaction as in Q1. H3PO4 Identify the nucleophile: H2PO4t- H20 H30* H3PO4 А В D E O A O B O E

A: The nucleophile in the given reaction = ? 

Q: PCIS(s) can be prepared by the reaction PCla(l) + Cl2(g) PCls(s). Calculate the enthalpy change (in ...

A: delta H is an extensive property....

Q: Z'R where 2 is the atomic number. What wavelength of light in nanometers must be absorbed to promote...

A: Rydberg equation states that the wavelength of light absorbed to promote the electron from one shell...

Q: draw the orbital diagram of the following elements:   1. Antimony 2. Gold

A:

Q: When Na2CO3, NH4Cl, H4SiO4 are mixed in water, what reactions occur, which species exist. and What'...

A: The reaction that takes place. :

Q: A gas does 135 J of work while expanding and, at the same time, absorbs 156 J of heat. What is its c...

A: From the thermodynamics The internal energy is the energy contained within a system and this energy ...

Q: Write the short form of the followings: · Bismuth ion (Bi+3) · Arsenic (As) · Bromine (Br)

A: Arsenic is a chemical element with the symbol As and atomic number 33.

Q: CH3 oH Mcthod analysis for this compound by using UV ?

A: The solution of the question is given below: 

Q: What is the product of the following reaction? heat .CO,Me MeO2C .CO2ME CO2Me CO,Me CO2ME or CO2ME C...

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Q: Acetic anhydride reacts with water in the following manner: CH3C(O)-O-C(O)CH3 + H2O = 2CH3CO2 If thi...

A: Answer is as follows :

Q: How many hydrogen atoms are in 1.0 g of H20 (MW = 18)? %3D

A: Given :- amount of H2O = 1.0 g  Molar mass of H2O = 18 g/mol  To calculate :-  Total hydrogen atoms ...

Q: 200 100 - Carbaxylic Acid - Alcohol - Ketone or Ester 100 a- Amine Alkene -- Alkyne -Alkane 10 12 Nu...

A: We have to compare the boiling point of alcohol with any two compounds having same number of carbon ...

Q: The heat capacity of a calorimeter is calibrated by adding 3.00 mL of water at 40 to the calorimeter...

A:

Q: the partial pressure

A: In this question we have to explain that the partial pressure of fully humidified air with the above...

Q: A reaction has the form 2A + B = A2B The following rate data is observed: [A]                     [...

A:

Q: Draw a Born-Haber cycle for the formation of NaH(s) from its elements. Drag the appropriate labels t...

A: Given,  The born-Haber cycle for the formation of NaH(s) is:

Q: The bismuth in 0.7405 g of an alloy was precipitated as BIOCI and separated from the solution by fil...

A: Solution                                  Given that Alloy weight = 0.7405g AgNO3 required = 12.92...

Q: 1.Show the structure of Caffeine. Identify using arrows the polar bonds in the structure 2.Species ...

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Q: Select the major product for the following halogenation reaction. (If a mixture would form, select o...

A: Generally benzene undergo aromatic electrophilic substitution reaction  Here NH2 group will be ortho...

Q: * W hich substance in each pair has greater intermolecular forces of attraction? . Gas A, vapor pres...

A: The intermolecular forces of attraction depends on the state parameters as, As vapor pressure decre...

Q: The formula for 1000 g of polyethylene glycol ointment calls for 600 g polyethylene glycol 400. At $...

A:

Q: In the list of molecules in question 2 (copied again below) there are at least one molecule that, ba...

A: Existence of a compound depends on several factors such as valency expansion tto form bonds, steric ...

Q: 1. Use resonance to determine whether the following compounds are aromatic or not. NH

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Q: Which process generally requires more energy? Fusion Vaporization Heating a substance by one degre...

A: The energy gained during vaporization requires 2260 Joules/gram, while the energy gained during melt...

Q: CH;-CH-CH=CH, CH3 CH3 CHCH2CH2CHCH3 CH, CH3-CH-CH,-CH; CH3-ÇH-C=CH CH3 CH;

A:

Q: NaI crystals are slowly added to a solution that is 0.100M Pb(NO3)2 and 0.100 M AgNO3. Which vill pr...

A: When the ionic product of any salt becomes equal or greater than its solubility product then the sal...

Q: H3C. t-butylbenzene le reagents, in order, necessary to synthesize these compound ene. These transfo...

A: see below

Q: Write the balanced chemical equation for the overall chemical reaction: Write the experimentally- ob...

A: Answer is as follows:

Q: Which of the following compounds is the most reactive towards electrophilic aromatic subsitition by ...

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Q: Lattice energies and electron affinities are very difficult to measure experimentally. Fairly reliab...

A: According to the Born-Habber cycle, the enthalpy of reaction does not depend on the path of a reacti...

Q: How would you synthesize the following compounds from butanoic acid using reagents from the table? U...

A: The solution is as follows: