Mixtures are divided into two classes based O 1. mixtures and matter on their appearance. What are these two classes? O 2. compounds and solutions O 3. homogeneous and mixtures O 4. elements and compounds O 5. homogeneous and heterogeneous

Q: In your testing, several precipitates are formed and then dissolved as complexes. These are the…

A: The answer is given below

Q: 6. Starting with benzene and any other reactants you need, show how you would synthesise the…

A: There are various types of palldium catalyzed coupling reaction-  1- suzuki coupling 2- sonogashira…

Q: Balance the following equation with the smallest whole number coefficients. Choose the answer that…

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Q: Be sure to answer all parts. A freshly isolated sample of Y was found to have an activity of 5.8 x…

A: Given that, the initial activity of 90Y is [A]0 = 5.8×105 DPM. The activity after t time is [A]t =…

Q: Explain a procedure to separate a mixture of the following 3 compounds to 3 separate individual…

A: The above compounds can be seperated using ether, DCM, 10 % NaHCO3, 10% HCl, 10% NaOH.

Q: Find calculated k value per trial: Average k value: The initial volume of syringe was 15ml and I…

A: To find calculated average k value per trial and average k value.

Q: Draw the Lewis structure of KrF, and then determine the hybridization of the central atom. A) sp B)…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Provide IUPAC names/structures a. CI. H. b. Methyl (2S, 4R, 5Z)-4-formyl-2-methylhept-5-enoate

A: Note : Select the parent carbon chain and start the numbering from functional group. Then write the…

Q: what intermolecular forces can be expected between NH3  and a molecule of HF

A: We would check the type of molecules and Nature of forces can exist between them .

Q: Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is…

A: Given-> Half life (t1/2) = 28.1 year  Initial amount = 4.00 gm Final amount = 0.100 gm

Q: a. Propose a plausible mechanism for the following Heck reaction TBSO Pd(PPH3)4 K2CO3 H. OTBS 2.

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Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of…

A: The rate of the zero-order reaction does not depend on the concentration of the reactant. For the…

Q: Step by step on a sheet of paper explaining each step in great detail. Where did you get each…

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Q: Calculate the ratio of conjugate base to weak acid required to prepare a buffer with pH = 8.00.

A: Acidic buffer pH From Henderson's equation  pH = pKa + log [Salt]/[acid]  Where given  pH = 8 Weak…

Q: Complete the following nuclear equation by identifying X. (Enter the complete nuclear equation.) 59…

A: In radioactive decay equation must be balanced i.e. atomic number and atomic mass must be equal on…

Q: A voltaic cell is constructed in which the anode is a Fe2+|Fe3+ half cell and the cathode is a F|F,…

A: In voltaic cell oxidation is occur at anode whereas reduction is occur at cathode.

Q: Consider this metal complex: 3- ОН F Fe OH F Complex A Now decide whether each complex in the table…

A: Isomers are compounds in which position of ligands is different .  Different compound would be that…

Q: 3. The pH of a 0.10 M HCN solution is 5.3. What is the [H*]? What is the [CN-]? What is the K?

A: Please find your solution below : pH is a measure of how acidic or basic a substance. It is defined…

Q: 1. Explain transformation process of chilli sauce.

A: Specialized food processing machinery is an essential asset for simplifying various food processing…

Q: A student suspects that the nitrate ion (NO3−), rather than the Cu2+ ion, is the active species in…

A: A catalyst is a substance that increases the rate of a chemical reaction by decreasing the…

Q: Bromine is used in the manufacture of disinfectant products, it has a very strong oxidizing…

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Q: Table 1. Data on EDTA Standardization Weight of CaCO3 (g): 0.2003g Trial Volume of EDTA (mL)…

A: Each of Ca2+ is neutralised with 1 mol of EDTA. Also, No of moles = Mass / Molar mass

Q: The carbon−14 decay rate of a sample obtained from a young tree is 0.250 disintegration per second…

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Q: One of the molecular orbitals of carbon disulfide, CS, (S=C=S) is shown below. Identify the type of…

A: According to the molecular orbital theory the atomic orbitals combine to form molecular orbitals.…

Q: Give a clear handwritten answer and explain

A: In a given question  ,we have to find out the property of molecule i.e Amphiphilic --- can act as…

Q: Grubbs Catalyst

A: Note : Ring opening cross metathesis followed by ring closing metathesis using Grubbs catalyst.

Q: do enantiomers always contain H backbone? the --------H this thing

A: Enantiomers are the mirror images which are non superimposable.

Q: Calculate the ΔG°' for the following reaction: NAD:H + FAD →   NAD+  +   FAD:H2

A: Given Reaction:                                       NAD:H + FAD →   NAD+  +…

Q: Assign oxidation number of the manganese in K2MNO4: а. +6 O b. +2 О с. +4 O d. +7

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Q: The reaction of butyl chloride with water is a first-order reaction. (a) Use the following graph to…

A: Half life is defined as the time at which half of the reactant has been converted into product.

Q: Solution: Kso=1.41-10-11 The resistance of a saturated solution of PbSO4 (very insoluble salt) at…

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Q: Molecule Lewis Structure 3D representation Bond Angles/Shapes Polarity (if yes, show dipole) CHCI3…

A: This question is related to VSEPR theory. Lewis structure is the representation of bonding between…

Q: 1. If you mix 200 ml of 0.100 M Pb(NO,), and 300 ml of 0.200 M MgCl, how much PbCl, precipitate will…

A: The molar ratio of the reacting species play an important role in the calculation of the product…

Q: Consider the following reaction: C2H4 (g) + H2 (g) → C2H6 (g) AH = -137.5 kJ; AS = –120.5 J/K…

A: (delta S) = -120.5 J/K= -0.1205 kJ/KT = 25 oC= 298 K use,(delta G) = (delta H) - T*(delta S)= -137.5…

Q: solution is made initially with 0.510 M HIO₃ (Kc = 0.170). Once the equilibrium below is…

A: Equilibrium can be defined as a state of reaction in which rate of forward reaction become equal to…

Q: Identify the LUMO in the MO diagram of F, (shown below). A) o (2s orbitals) B) o (2pz orbitals) C)…

A: LUMO is the lowest unoccupied molecular orbital. That means molecular orbital which is empty and…

Q: Salicylic acid is added into a test tube, followed by methanol and sulfuric acid as the catalyst. It…

A: Given that, salicylic acid is added into a test tube, followed by methanol and sulfuric acid as the…

Q: 4. In an experiment, 0.01000 L sample of sulfuric acid solution reacts completely with 0.0159 L of…

A: Molarity of solution is defined as the number of moles of solute dissolved per litre of solution.

Q: A 50.0 mL HCI is pipetted out from a 1000-mL 0.0250 M stock solution. To this 50.0mL aliquot, a…

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Q: Describe how we would prepare 250 mL of 0.10 M NaOH from solid NaOH and water.

A: 24.  given :-  molarity of NaOH solution = 0.10 M  volume of solution = 250 mL  To describe :-  The…

Q: HO Br.

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Q: In each pair of isotopes shown, indicate which one you would expect to be radioactive. 20 17 40 45…

A: Radioactivity can be defined as the process in which there is spontaneous emission of radiation in…

Q: (b) Determine the position of equilibrium H.

A: (b) In an acid-base reaction, equilibrium shifts on that side where the anion formed is stable. In a…

Q: Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate…

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Q: Draw the major product(s) of the following reaction. O, initiator • You do not have to consider…

A: Note : Alkene reaction with oxygen gives carbonyl compounds.

Q: Record the type of metal. (Enter "1" for aluminum; enter "2" for copper.) Record the following…

A: Answer: This question is based on conservation of energy where energy lost by metal will be equal to…

Q: A Zn wire and Ag/AgCl reference electrode saturated with KCI (E = 0.197 V) are placed into a…

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Q: H2SO4 + NH3 ==== HSO4- + NH4+ . Which of the reactants is an acid

A: Given :-  H2SO4 + NH3 <-----> HSO4- + NH4+  To identify :-  An acid in given reaction

Q: Consider the apparatus shown below with the valve closed. The volume and pressure of each gas is…

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Q: What is the standard enthalpy for a reaction (J/mol) for which the equilibrium constant is 2 times…

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