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A cylinder of compressed gas is labeIed "Composition (mole%) : 4.5% H2S, 3.0% CO2, 20% CO, Remaainder N2)." The pressure gauge attached to the cylinder reads 46 atm. Calculate the mole fraction and the partial pressure of each gas, in atmospheres, in the cylinder.
Derive the activation energy for a reaction that proceeds 2 times faster when the temperature is raised from 20 C to 30 C. (show all work)
Predict the probability P9v) that a molecule will have a given total velocity of more specifically P(v)dv is the probability that a molecule will have a velocity btwn v and v+dv.
Assume that each photon has sufficient energy to eject one electron. (Note currents are reported as positive values.)
When 9.64x10-4 moles of this complex is dissolved into 425.0 mL of the water, you find that 19.22 mL of 0.1000 M HCl is needed to reach a titration endpoint. What is the final formula
thermodynamic tables and charts may be used when both H and S are tabulated. since G=H-TS , at constant temperature , deltaG=RT LOG(f2/f1)= delta H- t*deltaS
What are the arguments in favor of the hypothesis that the spliceosome is a ribozyme. How could you test this hypothesis
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
There are two naturally occurring isotopes of bromine. 79Br has a mass of 78.9183 amu. 81Br has a mass of 80.9163 amu.
The production of NO gases is an unwanted side reaction of the main engine combustion process that turns octane,C8H18 , into CO2 and water. If 85% of the oxygen in an engine is used to combust octane, and the remainder used to produce nitrogen dio..
Predict whether or not a precipitate will form upon mixing 75.0 mL of a NaOH solution with pOH=2.58 with 125.0 mL of a 0.018 M MgCl2 solution. Identify the precipitate, if any. Express as a chemical formula
A fuel gas containing 86 % methane, 8 % ethane, and 6 % propane by volume flows to a furnace at a rate of 1450 m3 /h at 15 degrees C and 150 kPa (gauge), where it is burned with 8 % excess air. Calculate the required flow rate of air in SCMH
The reaction of nitrogen dioxide with carbon monoxide NO2 + CO NO + CO2 is second order in NO2 and zero order in CO. Complete the rate law for this reaction in the box below
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