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a.) A container holds 355mL of a mixture of nitrogen with carbon dioxide gases. The container is found to have a tiny leak. Assume which gas is escaping faster
b) Suppose if the volume of the container is reduced to 209mL, explain what the total pressure of the gases is
question find the adiabatic flame temperature in the complete combustion of propane c3h8 entering at 2.5 bars and 25 c
The directions state "weigh about 5 grams of sodium chloride". Give minimum and maximum amounts of sodium chloride that would satisfy these instructions.
what is the energy of light that is emittted by one iron atom during its decay from an excited state to a ground state
It takes 7.21X10-19 J of energy to remove an electron from an iron atom. What is the maximum wavelength of light that can do this
Many household cleaning products contain oxalic acid, H2X2O4 , a diprotic acid with the following dissociation constants: , . Calculate the equilibrium concentration of C2O4^2- in a 0.20M solution of oxalic acid.
State a solution with density of 0.935 g/mL contains 37.8% H2CO, 15.0% C2H5OH, and 47.2% water by weight. Define is the molarity of H2CO?
the average soil organic carbon content = 0.01%. assume that soil organic carbon is the primary sorbent and that degredation and dispersion are negligible.
A dioxin-contaminated water source contains 0.081% dioxin by mass. How much dioxin is present in 4.2 L of this water? (Assume that the density of the solution is 1.01 g/mL.)
Two determinations of the dissolved oxygen content of a 200 mL sample of water, made five days apart, gave 5.3 ppm and 2.2 ppm of dissolved O2 respectively.
Describe the role of the standard free energy change in bioenergetics. What specifically is meant by different levels of the standard free energy change'?
1. Consider treating polyenes, ethylene, butadiene, hexatriene, etc., with the one-dimensional particle-in-the-box model. What length polyene (i.e., number of C atoms) is required to absorb light in the red region of the spectrum? How does tha..
one of the components of the fuel mixture on the apollo lunar module involved a reaction with hydrazine n2h4 and
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