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If the water molecules in 1g of water were uniformly distributed on earth surface , how many such water molecules would there be in 1 cm^2 of earth?Solution) No. of molecules in 1g of water : (1/18)*6.023x10^23 = 3.34 * 10^22.Area of earth ( consider it a sphere ) = 4x3.14x6400*10^5 cmTherefore your answer = 6.023x10^23/(8.03x10^9) = 7.5x10^13
Mention two properties of acetonitrile b of which it acts as a good solvent. Draw a diagram showing the formation of bonding and antibonding molecular orbitals by the LCAO in ho
A solution is made by dissolving30 g of a non-volatile solute in 90 g of water. It has a vapour pressure of 2.8 kPa at 298 K. At 298 K, vapour pressure of pure water is 3.64 kPa
Q. How to calculate Percent Yield? Ans. When you make cookies the recipe may claim to make a certain number of them, but usually in the end there are less. There might be
For the following cyclohexane molecule, illustrate clear representations of both possible chair forms of the molecule. Be sure to properly draw all the axial and equatorial groups
Interactive periodic table In this interactive periodic table animation you can view details of all components through clicking on it. You can select the colored through option
what is the diagonol relationship of lithium and magnesium
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent. Can you please explain HOW to get the answer?
Indicate the nature of bonding in diamond: (1) Covalent (2) Ionic (3) Coordinate (4) Hydrogen Ans: Covalent
what is equivalent weight of formaldehyde(HCHO)
Q. Llimitations of werners theory? There were inherent limitations with such a simple approach. For example, the following experimental facts cannot be explained on the basis o
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