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A stellar objective is emitting radiation at 3.35mm, if a detector on earth is capturing 3.3x10^8 photons per second at this wavelength, what is the total energy of the photons detected in one hour?
Calculate the percentage of chlorine in a sodium hypochlorite powder (disinfectant for pools) if 5.0 kg of powder gives off 2.3 kg of chlorine.
When adding ethylene glycol to your cooling system, it is usually mixed 50:50 by volume. This will prepare a 52.7 mass % solution. Convert this concentration to molality and predict the freezing point depression
a 25ml portion of an unknown monoprotic acid solution was titrated with 1.5 m naoh. it was found 20ml of this base was
An old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid. If your largest reaction vessel holds ten litres, can you put the fifteen kilograms of acid into the vessel, or would you require to scale down the reaction reag..
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 13.6 torr at 35°C.
How would I determine the ions and write the correct ionic compound formed by barium and bromine
A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution
Presume 12.0 g of carbon (C) reacts with 73.0g of sulfur (S) to give 76.0 g of the compound carbon disulfide (CS2). In the process, all the carbon gets used up however some elemental sulfur is left over.
Determine mass of water is contained in 2.8 Litres of the vapor in this solution at 55 degree celcius temperature express your answer in grams
If you had 6.02 x 10^23 dollars, and could spend it at 1 billion per second for your entire life (75 years), what approximate percentage of your original money would you have left?
How do the theoretical energy values you calculated compare to the experimental energy you found by observation. Determine which energy transitions corresponds to which spectral line in the hydrogen emission spectrum
Assume water boils at 100.0 C in Houston(near sea level) and at 90.0 C in Cripple Creek Colorado(near 9, 500 feet). If it takes 4.7 min to cook an egg in Cripple Creek and 4.4 min in Houston, what is Ea for this process? Enter your answer in scientif..
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