Determine how much ice in grams would have to melt
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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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?
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
The solution of acetic acid (HC2H3O2) on a laboratory ridge was of undecided concentration. If the pH of the solution was given 2.81, determine the original concentration of the acetic acid?
The movie theater has the seating capacity of 349. If total ticket sales was $ 2542, Find number of children, students, and adults attended?
Calculate the hydronium-ion concentration of a 2.51 x 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 x 10-4?
Consider the concentration of a solution of lactic acid, (HC3H5O3). The pH of the solution was 2.27. Calculate the concentration of the solution? The Kaof lactic acid is 1.4 x 10-4.
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