How much flouride (in grams) did the second sample produce
Upon decomposition, one sample of magnesium fluoride produced 1.65 of magnesium and 2.57 of fluorine. A second sample produced 1.29 of magnesium. How much flouride (in grams) did the second sample produce?
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Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
How many grams of water can be cooled from 33 to 20 by the evaporation of 37 of water? (The heat of vaporization of water in this temperature range is 2.4 . The specific heat of water is 4.18 .)
A flask containing gaseous N2 is irradiated with 25 nm light. The irradiated moleculars of N2 can absorb the energy from the light photons. Using the following information indicate what species can from in the flask during irradiation.
Aluminum has a specific heat of 0.900 J/g·°C. How much energy is required to raise the temperature of 160. g of aluminum from 20.0°C to 183.0°C?
Aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 36.8 mL of hydrogen gas over water at 27°C and 764 mmHg. How many grams of aluminum reacted?
Calculate the minimum volume of distilled water, in liters, necessary to completely dissolve a 7.5 g sample of AgBr (s) at 298K. The molar mass of AgBr is 188 g mol.
The combustion of octane produces carbon dioxide and water. If you start with 10.0 mol of octane, what mass of water (in grams) would you expect to produce?
The equilibrium constant for the reaction of bromine with chlorine to form bromine monochloride is 58.0 at a certain temperature.
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A research project conducted by Geisinger Health System looked at the interaction between patients and their providers and pharmacists with medication
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