Explain what is the longest wavelength of light
What is the longest wavelength of light (nm) that can be used to eject electrons form the surface so this metal via the photoelectric effect? It takes 254 kJ / mol to eject electrons from a certain metal surface.
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Determine the lattice energy of calcium chloride given that the heat of sublimation of Ca is 121 kJ/mol and ΔHof (CaCl2) = -795kJ/mol.
A soap film having n = 1.33 is 308 nm thick and lies on the glass plate of n = 1.52. Sunlight, having wavelengths in vacuum expand from 380 to 750 nm, travels via the air and hits the film perpendicularly. For which wavelength in this range does d
Explain by showing how this catalyst both accelerates the rate of reaction and regenerates it. A catalyst is something that accelerates the rate of reaction and is regenerated in the process. What is the catalyst in this reaction?
The two diffraction patterns are made on the screen. Determine the distance (in cm) among the common center of the diffraction patterns and the first occurrence of a dark fringe from one pattern falling on the top of a dark fringe from the other p
Consider such a painting with the dots in the painting is apart by 1.1 mm and that the wavelength of the light in vacuum is 560 nm. Determine the distance at which the dots can just be resolved by each of the given.
How many iron atoms are in each molecule of hemoglobin? Hemoglobin contains 0.33% iron and has a molecular weight of 68,000.
Find out the magnitude of the net linear acceleration of a point on the rim of the disk at the moment if the angular velocity of the disk is around 1.5 rad/s?
Determine the probable structure of this ion? There is a trimetric silicate ion, Si3O9-6. Phosphorus forms and is electronic and is structural ion - what would be its formula?
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