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An Argon ion laser emits a beautiful green beam with a wavelength of 514.7 nm. What is the energy per mole of photons emitted?
Pt(NH3)2cl2+h2o yields pt(NH3)2(H2o)cl+cl- has a rate that increases by a factor of 15 and a temeprature that inceases from 25 tp 50 degrees celsius what is the value of Ea?
Bob dissolved .36 grams of KHP in 15 mL of water. He found out that it required 20 mL of NaOH to reach the endpoint the endpoint of the titration.
write a plausible chemical equation to interpret at the atomic level what you observed in the reaction of Lysol Toilet Bowl Cleaner with 0.1 M AgNO3?
Suppose a mercury thermometer contains 3.450 of mercury and has a capillary that is 0.180 in diameter. How far does the mercury rise in the capillary when the temperature changes from 0.0C to 25.0 C? The density of mercury at these temperatures is..
The vapor pressure of water above this solution is found to be 0.3630 atm at 348.0 K . The vapor pressure of pure water at this temperature is 0.3804 atm.
The molar heat of vaporization at 298 K for diethyl ether(C4H10O) is 26.0 kj/mol. How much heat would be requiered to vaporize 0.714 g of ether at 289 K?
In the laboratory, a student named Georgia weighed 5.05 grams of an unknown solid mixture containing benzoic acid, copper (II) sulfate and sand.
How much energy (in kilojoules) is required to convert 245 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL ?
How many grams of NaCl are contained in 350 ml of a 0.25 M solution of sodium chloride?
Using the Rydberg equation calculate to four sig figs the energy of electromagnetic radiation necessary for ionization
The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required to convert 26.78 g C2Cl3F3 from -59.34 oC to 83.11 oC
If 10.7 mL of .110 M NaOH is required to reach the equivalence point of a solution of citric acid, how many mL of NaOH are required to completely neutralized this solution
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