Calculate the number of moles of photons in per second
The wavelength of a red laser pointer light of 808 nm. In the form of visible radiation if the laser emits 7.50E-4 J of energy in per second, than calculate the number of moles of photons in per second which are emitted from laser?
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Determine the molarity of a solution which is made by dissolving 48.2g of Magnesium Bisulfate in sufficient water to produce the 300 mL of solution?
Identifies some of the possible side products which is absorbed from an aldol condensation reaction, where a benzaldehyde reacts with an acetone molecule. Determine at least three of them. .
Count in the bateria culture was 100 after 20 minutes and 1800 after 30 minutes. Suppose count grows exponentially. Determine the population after 110 minutes.
The detergents contains some of the compounds that have a suffocate group on its place of a carboxylate. Identifies that why do detergents work better comparison the soaps at all the pH ranges?
A beam of laser light having wavelength 612 nm is directed via a slab of glass with index of refraction 1.5. (a) For what least incident angle would a ray of light undergo net internal reflection?
The scholarship fund gets the gift of $ 145000. Money is invested in stocks, bonds, and CDs. How much was invested in each account?
Determine the number of heat in kilojoules is developed in converting 3the 6.0 g steam at 180 degrees C. to ice at -60 degrees C. (where the heat capacity of steam is 1.184 J/g-c and the ice is 2.09 J/g-c, the heat vaporization is 40.7 kj/mo
Determine how much ice in grams would have to melt at the lower temperature to 468 ml of water from 39 degrees C. to 2 degrees C. (Suppose the density of water is 1.00 g/ml, the heat of fusion for water at 0 degrees C. is 6.02 kj/mole)
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