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a sample of gas has a mass of 38.8 mg. it's volume is 224 mL at a temperature of 55 degrees C and a pressure of 886 torr. Find the molar mass of the gas.
The first ionization energy of bismuth is Ei1 = +703 kJ / mol. What is the longest possible wavelength of light that could ionize an atom of bismuth?
The US consumed 18.8 million barrels (Mbbl) of crude oil per day in 2009. The BP Gulf Oil Spill totaled roughly 200 million gallons of crude oil.
Ozonolysis from unknown compound, A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C.
what is the formula for the ionic compounds formed by magnesium ions and calcium ions with nitrate ions?
How many mL of .150M bacl2 are needed to react with 35mL of .200M na2so4? How many grams of BaSO4 will be formed?
N2O4 is introduced into an empty 2.14L container, what are the partial pressures of NO2 and N2O4 after equilibrium has been achieved at 45 degree celsius? Pn2o4, Pno2=?
Calculate the volume of a .850 M KOH solution necessary to neutralize 25.00 mL of 1.500 M solutions
A gas is compressed from initial volume of 5.60L to 1.23L by an external pressure of 1.00atm. During the compression the gas releases 128J of hear. What is the internal energy of the gas?
How many hours will it take to produce 61.0 kg of Al metal by the reduction of Al3+ in an electrolytic cell using a current of 484 amps?
An Ideal gas originally at a temperature T1 and pressure P1 is compressed reversibly against a piston to a volume equal to one-half its original volume, Draw a diagram of the process in the P-V plane.
How much heat is required to warm 219 g of ice from -45.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C
when using a rotary evaporator, the water bath is typically kept at a temperature below the normal boiling point of the solvent to be evaporated
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