entropy?

Q: Write True (T) or False (F) after each statement. A. Cis-trans isomers are diastereomers: B. SN2 rea...

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Q: B: What is the pH of 0.6 M NHẠCI solution? Discuss your results. (Kp of NH= 1.8 x 10 NH,+ + H2O+→ H3...

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Q: A Nickel bis-dimethylglyoximate complex was deposited with a weight of (2.721g) with the filter pape...

A: Nickel bis-dimethylglyoximate has a chemical formula of Ni[ONC(CH3)C(CH3)NOH]2 that is formed from t...

Q: Question is attached

A: In carbonyls, the alpha hydrogen is acidic which forms a enolate species on reaction with a base. Th...

Q: 7. For the following aryl diazonium chloride synthetic intermediate, please draw the products one wo...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: 5. The acyl group is a protecting group for amines which can be deprotected by treatment with sodium...

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Q: The frequency of a transition is 5.4 x 10 ^ 15 Hz. What is the corresponding wavelength? E = hv; c =...

A: Given, frequency = 5.4 x 1015 Hz Speed of light, c = 3.0 x 1010 cm/s Wavelength = ? 

Q: Combination Reactions solid magnesium metal +     oxygen gas          ®        solid magnesium oxid...

A: We have to give balanced chemical equations for given reactions 

Q: Which of the following bonds are polar? (a) B¬F,(b) Cl¬Cl, (c) Se¬O, (d) H¬I. Which is the moreelect...

A: The polar molecules are formed due to the difference in electronegativity.

Q: Determine the number of IR active C-H stretching modes for cyclohexane chair conformation

A: The most stable conformation of cyclohexane is chair conformation. The C-C-C bonds are very near to ...

Q: In a benzopinacolone synthesis, if the crude product obtained at the end of the reaction has a brown...

A: Benzopinacolone synthesis takes place via pinacol-pinacolon rearrangement of the starting material b...

Q: Reaction benzaldehyde with (CH3CN) in presence of base called ? (a)Dopner reaction (b)Crossed Claise...

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Q: an element b forms a chloride BCl3 containing 46.62% chlorine by mass. what is the identity of this ...

A: Consider the molecular mass of the compound BCl3 which is formed by the combination of an unknown el...

Q: Write True or False for each statement.

A: Enantiomers are the non-superimposable stereoisomers that are mirror images of each other. Enantiome...

Q: Summary of acid and bases

A: An acid is any substance that can donate a proton to another substance when it dissolves it into wat...

Q: Q2: A: Calculate the concentration in molarity of potassium ion, K* in grams per litre after mixing ...

A: KCl ↔K+ +Cl- K2SO4 ↔2K+ +SO42-

Q: The dissociation of molecular iodine into iodine atoms is represented as I,8)= 21(g) At 1000 K, the ...

A: Given- Equilibrium constant Kc= 3.80 × 10-5, No of moles of I2 = 0.0451 mole And volume = 2.27L  

Q: What is the type of entropy change for 2 H2 (g) + O2 (g) —> 2 H2O (l)? Provide Description.

A: 2 H2 (g) + O2 (g) —> 2 H2O (l) entropy change: 

Q: What is the mass, in grams, of 2.50 * 10-3 mol ofammonium phosphate?

A: Solution:       The number of moles of solute is defined as the ratio of a given mass of a substance...

Q: Use thermodynamic values in the table provided to calculate the ΔG for the following process in two ...

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Q: Define Biomolecules ?

A: Solution-  biomolecule is a chemical compound found in living things. These include chemicals that a...

Q: solve c

A: The primary valency in coordination compounds is the number of negative ions which are equivalent to...

Q: Find the molal concentration of Au when 1.0 mol of Au is dissolved in 3.0 mol of HNO, and 6.0 mol of...

A: In the question, following information given - Moles of Gold , Au = 1.0 mol Moles of HNO3 = 3.0 mol ...

Q: Q1: A: Calculate the solubility product constant for PbCl2, if 80.0 mL of a saturated solution of Pb...

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Q: Define the Reactions of Anhydrides ?

A: Anhydride: As the name suggests the absence of water molecule in any compound is called anhydrides. ...

Q: How many grams of Co3+ are present in 1.88 grams of cobalt(III) phosphate?

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Q: Compound: 4,5-dimethyl-4-cyclohexene-cis-1,2-dicarboxylic acid anhydride or C10H12O3 Label all IR pe...

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Q: Plz do Asap....!

A: For titration; MAVA=MBVB Where, MA is the molarity of acid, VA is the volume of acid, MB is the mola...

Q: A sample of Cs weighs 99.5 grams. Will a sample of S that contains the same number of atoms weigh mo...

A:   1 mole of any substance = 6.022 x 1023 atoms (Avogadro number)   No. of moles of a substance can b...

Q: The rate constant for the first-order decomposition at 45 °C of dinitrogen pentoxide, N2O5, dissolve...

A: Rate of the reaction: The sum of the exponents in a rate expression of a chemical reaction is known ...

Q: Problem 16 If the standard chemical potential of H2O(g) is -16.5 kJ mol-1, what is the chemical pote...

A: The formula to calculate the chemical activity is:                                                  ...

Q: Starting with 3-nitroaniline, show how to prepare the following compounds. Q.) 3-Fluorophenol

A: In a diazotization reaction, primary amines react with nitrous acid to give diazonium salt (the amin...

Q: You have 73.56 g of siver nitrate. How many moles of oxygen atoms are present?

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Q: Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S, (g) + C(s) ...

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Q: The diffusion current in a polarogram for reduction of Cd2+at a mercury electrode is 12.0 mA. If the...

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Q: A 100.0 g iron sample (specific heat 0.450 J/g K) at 100. deg C is added to 50.0 g for water at 26.5...

A: We know that, heat flows from higher temperature to the lower temperature. From the given informatio...

Q: n of the pi bond in the final produc or organic product formed for ea hanism & Major Product DEt

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Q: Determine the empirical formulas for the following compounds:(a) acetic acid, C2H4O2(b) citric acid,...

A: The objective of the question is to calculate the empirical formula of the given compounds fro their...

Q: does LiF have a higher vapor pressure at 25oC than H2S?

A: FALSE - LiF will have higher vapor pressure at 25 degree C than H2S Note: LiF has strong electro sta...

Q: chlorine gas Cl2 at 1 atm is bubbled into a solution containing 1.0M F- and 1.0M Br- at 25 degree ce...

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Q: CH3 H2 ! Он H2 c-CH3 H

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Q: A 516.7-mg sample containing a mixture of K,SO, and (NH4),SO4 was dissolved in water and treated wit...

A: Given, Mass of sample : 516.7 mg=516.7×10-3 g BaSO4 yield = 863.5 mg

Q: During volcanic eruptions, hydrogen sulfide gas is given off and oxidised by air a ne following chem...

A: A) Use given equation to get the final answer

Q:

A: Since we only answer the first 3 sub-parts,  we will answer first three only. Please resubmit the qu...

Q: answer number 9. show your solutions

A: PERCENT COMPOSITION: Percent composition is of an element present in a compound is defined as the pr...

Q: I need help solving the following problem: (show step by step)   A mixture of He, N2, and Ar has a p...

A: A mixture contains  He, N2, and Ar gas.·Total pressure of mixture PTotal = 12.6 atm·Partial pressure...

Q: Diethyl ether and butan-1-ol are isomers, and they have similar solubilities in water. Their boiling...

A: Boiling point: It is the temperature at which the liquid starts changing its state to gas. The boili...

Q: distinguish between ionic compounds and covalent compunds

A: The chemical compounds formed between two or more than two elements can be classified in two types: ...

Q: Which is a stronger base, S2 - or Se2 -? Explain.

A: Acids on donating a proton form a corresponding conjugate base. A strong acid would generally have a...

Q: Need help drawing a detailed mechanisms with all 6 resonance structures. And a detailed explanation....

A: The resonating structure of p-nitro phenoxide ion is shown below