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A tank contains both nitrogen and hydrogen gas. If the partial pressures are 190 mm Hg and 303 mm Hg respectively, what is the mole fraction of nitrogen?
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
Calculate the final pressure of a gas if a 953-mL sample of the gas at 1.25 atm and 50.0 degrees Celsius is changed to 1.55 L at 75.0 degrees Celsius.Be sure to include units and correct significant figures
a sample consisting of various gases contains 3.1times10-6 mole fraction of radon. this gas at a total pressure of 34
using a sample of gas where 2.0 atmnbsp is the pressure exerted by a gas while it has a volume 350 cm3 now you need to
A piston has an external pressure of 6.00 atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.580 liters.
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2? A) [O2] _ M B) [N2] _ M C) [NO] _ M
A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill, you are told that X-281 is a monoprotic weak acid, but because of security concerns, the actual ch..
Determine how much heat is evolved or absorbed when 30.0 g of lithium iodide completely dissolves in water.
A particular reaction has a ?Ho value of -180 kJ and ?So of -254 J/mol K at 298 K. Assuming that ?Ho and ?So hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
The half-life of mercury-197 is 64.1 hours. A. If a patient undergoing a kidney scan is given 5.0 ng of mercury-197, how much will remain after 7 days? B. After 33 days
what are the balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment? There are eight of them.
The rate of substitution of alkyl chlorides and alkyl bromides can be increased by adding a catalytic amount of sodium iodide.
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