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Question 1- What is the wave particle duality? Explain dual nature of electron? Give the significance of DeBroglie's equation.
Question 2- Explain the concept of vapour pressure. Give reason- Liquid ammonia bottle is cooled before opening.
Question 3- Explain industrial manufacturing process of Westron. Explain the advantage and disadvantages of Westron.
Question 4- Explain the phenomenon of Resonance in aromatic ring with examples of mono substituted benzene.
The mass percent of sulfur in the product is Blank 1 % (2 dec places). The mass percent of oxygen in the product is Blank 2 % (2 dec places).
The lid is tightly sealed on a rigid flask containing 3.50 L H2 at 17 °C and 0.913 atm. If the flask is heated to 71 °C, what is the pressure in the flask?
A bottle of wine consists of an 11 weight percent solution of ethanol (C2H5OH) in water. If the bottle of wine is chilled to -20oC, will the solution begin to freeze? Kfp for water is 01.86 oC?m-1
What is the barium ion concentration in a saturated barium fluoride solution made by adding solid BaF2 until no more dissolved
2.58g of a gas has a volume of 3.97L at 745mmHg and 21 degrees celcius. What is the molecular weight of the gas?
Write the total ionic equation for this reac- tion occuring in water: Calcium sulfide and iron(II) bromide are mixed to form iron(II) sulfide and calcium bromide.
why does ch3-ch2-o-h have a higher boiling point than ch3-o-ch3 even though they have the same molar
solid sodium reacts violently with water produing heat hydrogen gas and sodium hydroxide. how many molecules of
A solution of 5.0 g/L of HY has the same pH as one containing 10.0 g/L of HZ. Which is the stronger acid. Please explain.
Calculate (a) the maximum non-expansion work, and (b) the maximum work that can be obtained from the freezing of supercooled water at -5 oC and 1.0 atm.
A buffer was prepared by mixing a solution that is 0.285 M in HA and 0.385 in A-. The pH of this buffer was 4.435. then to 405 mL of this buffer solution was added to 21.5 mL of 2.0 M HCl. What is the pH of this new solution?
What type of reaction is occurring in each step. some categories include: Bronsted-lowry acid-base, precipitation or redox.
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