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Commercial grade hcl are typically 39% by mass HCL in water. determine mole fraction of HCL has solution has density of 1.20 g/ml
The stopcock connecting a 2.25 L bulb containing oxygen gas at a pressure of 4.00 atm, and a 5.25 L bulb containing neon gas at a pressure of 8.00 atm, is opened and the gases are allowed to mix.
Deuterium is a heavy isotope of hydrogen. How would it make a product of isoborneol different if it is used
what is the maximum mass of CO2 that can be produced from the combustion of .377g C2H5OH
How much heat in joules is required to heat a 46 {rm g} sample of aluminum from 80 F to 146 F?
Select each side of the mass balance equation for an Fe3(PO4)2 solution where the existing species are Fe2
Consider a glass of 298 mL of water at 30°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
Dimethyl ether, used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in labratories in which it is used
Calculate the energy of a photon of wavelength 11.56 meters. (Planck's constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s)
Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?
If 85.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
A 20.94 g sample of an unknown metal is heated to 99.4 C in a hot water bath. The metal is quickly transferred to 100ml of water at 22.0 C in a coffee cup calorimeter.
What volume of STP of CO2 would be produced by the fermentation of 13.94 of 13.94g of glucose?
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