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A sample of pure NO2 is heated to 336 C at which temperature it partially dissociates according to the equation2NO2->O2+2NO
At equilibrium the density of the gas mixture is 0.525 g/l at 0.755 atm.
What will happen to the retention time if the temperature of the column is increased. Calculate the following peak areas from your GC chromatogram.
Consider the combustion of ethane 2C2H6 + 7O2 yields 4CO2 + 6H2O If the ethane is burning at the rate of 0.1 mol/L*s, at what rates are CO2 and H2O being produced?
calculate the mass of a sample of copper that occupies 4.2* 10^-3 cm^3 if the density of gold is 8.94 g/cm^3.
If the pistons in the four cylinders are each displaced with a pressure of 1.52 kbar and each cylinder is ignited once per second, how much work can the engine do in 1.00 minutes?
Calculate the volume of a chromium atom in microliters if the volume of a single chromium atom(Cr) =8.10E-24 cm 3 and determine how many copper(Cu) atoms would there be in 159 milligrams of Cu if The mass of a single Cu atom = 1.06E-22 grams.
a skyscraper in pittsburgh built in the early 1970s is supported by water filled columns. potassium carbonate was added
Show that the proton condition for a NH4Cl solution is a linear combination of the mass balance equations and the charge balance equation.
Consider an infrared grating with 84.0 lines per mm and 15.0 mm of illuminated area. calculate the first-order resolution (λ/Δλ) of this grating. How far apart in cm^-1 must two lines centered at 1200 cm^-1 be if they are to be resolved.
What formula is used to find the work needed to compress water from atmospheric pressure to a higher pressure (with ambient Temperature)? I know about w = integral (-PdV), but V is constant. What is this formula in terms of delta-P
A 224mL sample of an aqueous solution contains 2.80% MgCl2 by mass. Exactly one-half of the magnesium ions are Mg?28, a beta emitter with a half-life of 21 hours
What is the ratio of the rate constants for this reaction when the temperature is decreased from °C to °C?
The aluminum and the water are allowed to come to thermal equilibrium. Assuming that no heat is lost, what is the final temperature of the water and aluminum
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