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Question: Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
Sample of ammonia gas is completely decoposed to nitrogen and hydrogen gases over heated iron wool. If the total pressures is 661mmHg after the reaction. Calculate partial pressures of nitrogen and hydrogen.
what if any experimental evidence do you have that the equilibrium is affected by change in temperature. Briefly explain. Are your observation and explanation in (3) consistent with Le Chatelier's principle. Briefly explain.
Why couldn't you use IR instead of NMR to determine the diasteroselectivity of the reduction of 1S camphor. What is another instrumental method.
What is the identity of the acid present in carbonated beverages that hastens the hydrolysis of aspartame
1calculate the total pressure in atm of a mixture of 0.0270 mol of helium he and 0.0200 mol of oxygen o2 in a 4-l flask
Aluminum has many different isotopes. What percentage of the mass of 26Al is attributable to its neutrons
An unknown gas has been determined to have the empirical formula CH2. At 27°C and 0.966 atm, the gas has a density of 1.65 g/L. What is the molecular formula of this gas
Calculate the average speed of an oxygen gas molecule, O2, at 21.0 degrees Celsius. Express your answer numerically in meters per second.
What is the final concentration (in M) of 19.5 mL potassium hydroxide solution with an initial concentration of 1.85 M which is diluted with 16.8 mL of solvent? Assume the volumes are additive.
to form a molecule with an octahedral electron geometry what set of pure atomic orbitals must be mixed?
A proton in a linear accelerator has a de Broglie wavelength of 144 rm pm. what is the speed of the proton?
an ibuprofeninfant suspension has 100 mg 5.0 ml suspension. the suggested dose 10 mgkg body weight. determine how many
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