Which compound will form yellow sulphur S when it is heated?   a. K2SO4   b. KHSO3   c. K2SO3   d. K2S2O3

Q: $ propanal SH SH НО HOX H₂SO4 ||| SH Raney OH Ni S IV -SH SV

A: Propanal on treatment with 1,3-propanethiol in the presence acid catalyst, H2SO4 is protected as…

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Q: give some real life application of stereochemistry

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Q: 16). What is the major product of the following reaction? N ZH ZH (A) Br Br 1 eqiv. Br₂ N (B) Br ?…

A: Pyrrole are the five members hetrocyclic, aromatic organic compound.

Q: Consider the reaction: H₂(g) + F2 (g) → 2HF (g) Using standard thermodynamic data at 298 K,…

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Q: 13. Choose the product of the following reaction A В ОН 0 0 H ОН НО. HO PCC dioxane C Н D О Н

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Q: Use the table of thermodynamic values to calculate the value of ΔG°rxn at 25.0 °C for the reaction…

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Q: What is the pH of a buffer made from 0.580 mol of CH3NH2 (Kb = 4.4 × 10-4) and 0.110 mol of CH3NH3I?

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Q: 12. How would you synthesize the following? COOH -CH3

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Q: Give the structure of the product formed on reaction of ethyl acetoacetate with 1-Bromopentane and…

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Q: A 25.0-mL sample of 0.200 M KOH is titrated with 0.100 M HNO3. Calculate the pH of the solution…

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Q: 1) A solution containing dissolved iron is treated with warm nitric acid to convert all the iron to…

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Q: Consider the reaction between aqueous solutions of baking soda, NaHCO3, and vinegar, HC₂H₂O2.…

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Q: ? E KMnO4, H3O* F Chaleur - مینه معلمی مجلس مسيح ميده OH c + OH OH H

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Q: Rank the following carboxylic acids from lowest to highest pKa Remember, a low pka is more acidic…

A: According to Arrhenius concept, an acid is a substance i.e. when dissolved in water gives H+ ions .…

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Q: 17) If one wants all compounds (positive, negative and neutral molecules) to elute off the capillary…

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Q: How can we predict the properties of a substance based on its molecular structure?

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Q: 2. Is the following reaction spontaneous at 50°C? Cu (0.20M)| Cu²+ (0.04M)| Fe³+ (0.13M)| Fe²+…

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Q: On all aerosol cans you see a warning that tells you to keep the can away from heat because of the…

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Q: HYBRID ORBITALS For each molecule or ion listed below: 1) State the hybridization of the central…

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Q: MISSED THIS? Watch KCV: Cell Potential and Concentration; Read Section 20.6. You can click on the…

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Q: NaCl He gave an example: Ferric chloride is reacted with sodium hydroxide to produce ferric…

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Q: Name these organic compounds: 43° Mostly clear HIC Н Н H Explanation structure H Н H-c-c Н ||||I Н H…

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Q: Why is this theory successful? Can you name some of the limitations of the theory? Drag the…

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Q: The concentration of iodide ions in a saturated solution of silver iodide is ________ M. The…

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Q: What is the value of the equilibrium constant at 300.0 °C for the following reaction?      H2 (g)…

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Q: (a) Provide IUPAC name for (a). (b) In the box provided, draw the structure of borane. (b)

A: IUPAC stands for international union of pure and applied chemistry.

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Q: 20.0 mL of 0.250 M KOH is titrated with 0.100 M of HNO3. What volume of HNO3 (in mL) is needed to…

A: The Molarity of KOH solution M1= 0.250 M The volume of KOH solution V1= 20.0 mL The Molarity of HNO3…

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Q: What is the net ionic equation for 2NaOH+H2SO4>Na2SO4+2H2O

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Q: Calculate the heat change in joules for melting 17.0 g of ice at 0 degrees Celsius.

A: Mass of ice ( water ) = 17g Temperature = 0°C

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Q: Ocean water contains 3.5% NaCl by mass. How much salt is in 467 g of seawater?

A: Ocean water contains 3.5 % NaCl by mass . How much Salt is in 467 g of seawater ?

Q: Determine the number of valence electrons in C₂Br₂, or BrCCBr and then draw the corresponding Lewis…

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Q: Calculate AE°for the reaction where ethanol + NAD+ are converted to acetaldehyde + NADH. E° for the…

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Group 14 Elements

The following elements come under group 14 of the periodic table.