A B D на ААА 300 nm

Q: What is the pKa of: -Ha -Hb -Hc -Hd   The numbers listed are the possible pKa, its ok to use the…

A: More the acidity less will be the PKa value and hence more easily the H+ will dissociate .

Q: ecide whether each pair of elements in the table below will form an ionic compound. If they will,…

A: An ionic bond is formed between a metal and a nonmetal, while a covalent bond is formed between two…

Q: Hydrocarbon Structure Activity Part I: Hydrocarbon Structures and Names. INSTRUCTIONS: For each row…

A: Given is hydrocarbon molecules.

Q: The amino acid glycine has been used as a buffer for a number of biochemical experiments. Glycine…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Depending on the conditions, manganese (Mn) can exhibit different crystal structures. Under certain…

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Q: Decide whether each pair of elements in the table below will form an ionic compound. If they will,…

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Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Answer: Empirical formula is the formula of the compound in which all the atoms present in the…

Q: What type of hybridization does the Oxygen atom in the following molecule undergoes? CH3CH2CH₂OH…

A: Given molecule is CH3CH2CH2OH  We have to find the hybridization of Oxygen in this molecule.

Q: Phenobarbital is a sleep-inducing drug whose chemical formula is C12H12N2O3. It is manufactured in…

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Q: Use the following data to calculate the molar mass of naturally occurring silicon: Isotope…

A: Average Atomic mass = M1X1+M2X2+M3X3/(X1+X2+X3) Where,  M1 ,M2 & M3 are atomic masses and X1 ,X2…

Q: Draw the two chair conformations of trans-1-chloro-2-methylcyclohexane. Which is more stable?

A: Answer: Different chair conformations can be prepared by putting groups at axial and equatorial…

Q: Given the equilibrium: SO₂Cl2(g) → SO2(g) + Cl2(g) delta H = +67 kJ . The concentration of sulfur…

A: We would use Le-Chatelier's principle to answer this question.

Q: 1. Flame Test Metal Barium chloride Calcium chloride Copper (II) sulfate Potassium chloride Sodium…

A: 1) The flame test is a qualitative test used to determine the identity of a metal or metal ion in an…

Q: D pH pH = 4.389 pH = 4.874 = pK₁ pH = 5.339 Answer Bank Using the equation to calculate the quotient…

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Q: the formula of Cp and Cv with ? (gamma) in the equation

A: CP represent  heat capacity at constant  pressure  Cv represent heat capacity  at constant  volume .…

Q: IX. a. b. Draw all possible resonance structures for the species below. Show the movement of…

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…

Q: How many moles are there in 17.2 g of FeF 3 : Answer to 2 decimal places and include the unit .

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Q: NO NEED TO SHOW ANY WORK JUST FINAL ANSWER AS QUICKLY AS POSSIBLE! Incredibly, the ozone layer in…

A: Given that the density of ozone at sea level would be about 2.0 grams per litre, what is the total…

Q: From the beginning, draw a reasonable step-by-step mechanism to account for the formation of the…

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Q: At a given temperature, the equilibrium constant Kc for the following reaction is 0.020: PCI5(g)…

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Q: Convert 36,265 m/s to mi/s. 1 mile is 1.609 km. The answer should have 1 decimal place.

A: We know that, 1 mile = 1.609 Km 1Km = 1000 m use this conversion we easily convert m s-1 to mi s-1.…

Q: 2. A marathon is 26.2 miles. How many centimeters are in a marathon? 3. Jules Verne wrote a famous…

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Q: an exhibit shows a peak at 2.4 minutes in a gas chromatogram. a sample of known heroin also has a…

A: Retention time is the time that a component spends in a chromatography after its injection. A sample…

Q: NaI (aq)       +        Cl2 (g)      →       I2 (s)      +      NaCl (aq)               Balance…

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Q: A solution containing a monoprotic weak acid (HA) that is 7.32% dissociated was found to have a pH…

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Q: The following reaction has an equilibrium constant, Kc equal to 3.59 at 900 °C. CH4(g) + 2H₂S(g) —…

A: By calculating reaction quotient and comparing with equilibrium constant we can figure out in which…

Q: Give the structural formula of the ff. compound Indicate the correcr number of hydrogen atoms. 1.…

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Q: Provide the IUPAC name for the condensed structural formula shown here. H₂C H₂C. H₂C CH₂ H₂C. -HC…

A: we have to provide the IUPAC name for the given compound

Q: what is the major organic product obtained from the following reaction! O A 20 -OCH3 OCH 3 D 1 >## 3…

A: In this question, we will select the major product for this given reaction.  This reaction is…

Q: 2.11 Which one of the six compounds shown below is the strongest base? (a) H-C=C 요 (c) (e) H-C- H…

A: compound which abstract the proton[H+] is called base

Q: How did you get the equation?do you divide then do something else?thank you

A: We have to explain the equation of absorbance, A = logI0I. Introduction: This equation is derived…

Q: Provide the complex naming for the following substituent. Assume that the group is located on the…

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Q: The rate constant & for a certain reaction is measured at two different temperatures: temperature k…

A: We have to calculate the value of activation energy using the given rate constants and temperature

Q: Which of the following statements about the Bradford Assay is false? O The standard curve generated…

A: Answer: the dye binds with acidic and aromatic amino acids. Explanation: dye binds with basic and…

Q: In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor.…

A: given, mass of water = 468 g mass of hydrogen = 52.4  g  we need to calculate mass of oxygen that…

Q: What is the standard cell potential for a galvanic cell made up of Ag and Mg?

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Q: 1.08 ×10-3 mol H2S 57.2 mmol SO3 1.19 mol xenon dioxide  m(H2S) = m(SO3)= m(xenon dioxide)=

A: number of moles are given we have to calculate the mass of the given substances

Q: Elemental phosphorus occurs as tetratomic molecules, P4. What mass of chlorine gas is needed to…

A: Given that  Elemental phosphorus occurs as tetratomic molecules, P4 The mass of chlorine gas is…

Q: Which of the following represent the proper long hand form electron configuration of ruthenium, Ru,…

A: Concept based on the building up principle.

Q: Given the reaction: (CH3)3CCI + OH* (CH3)3COH + CI", it has experimentally found that doubling the…

A: For a reaction by changing the concentration of reactant and observed change in reaction rate can be…

Q: For a metal A, the work function (the minimum energy needed to eject an electron from the metal…

A: Given data :

Q: d. CH₂- CH₂ H₂C 15-CH-CH₂-OH CH, -CH₂-OH CH₂CH₂ 1. Na CRC-CH₂ 2 H₂O CH₂-CH₂ 2 1. BH-THF 2. H₂O₂,…

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Q: For the pair of molecules H2PO4 and H3PO4, H3PO4 is the conjugate base O True False

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Q: OH لي - لي

A: For the acid -base equilibrium reaction, the equilibrium will favour to the side which contains…

Q: H Η H H Η Η

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Q: Give the precision of each of the followings: 50 mL buret 100 mL graduated cylinder 10 mL Mohr…

A: Since you have asked multiple questions and not specified which one to solve, we will solve first…

Q: سالم و ورود

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Q: (as PAGE: polyacrylamide gel electrophoresis). The polyacrylamide chains: # of molecules Degree of…

A: Polyacrylamide are those polymers which have acrylamide as one of their monomer.They are copolymers…

Q: The gas phase decomposition of dimethyl ether at 500 °C CH3 OCH3(g) →→ CH4 (9)+ H₂(g) + CO(g) is…

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…

Q: In a aquamatic lab, an aqueous solution of MgCl2 has a molarity of 4.0 mol/L at 20O The density of…

A: mass percent of solute = mass of solute in solutiontotal mass of solution * 100mole fraction of…