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A sample of pure NO2 is heated to 336 C at which temperature it partially dissociates according to the equation 2NO2->O2+2NO
At equilibrium the density of the gas mixture is 0.525 g/l at 0.755 atm.Calculate Kc
Erythro-2,3-dibromo-3-phenylpropanoic acid undergoes eliminiation by an E1 pathway in water solvent (Part A conditions),
To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to small volumes. What is the pressure of 2.20 mol of gas \rm D measured at 251 ^\circ \rm C in a 1.75-\rm L container as..
The reversible chemical reaction A+B=C+D part b: What is the final concentration of D at equilibrium if the initial concentrations are[A] = 1.00 m and [B] = 2.00 ? Express the molar concentration numerically using two significant figures.
15.0 ml sample of .1m baoh2 is titrated with .125 m hcl. calculate the ph for atleast five different throughout the
Trace amounts of rare elements are found within groundwater and are of interest to geochemists. Europium and terbium are lanthanide-series elements that can be measured from the intensity of their fluorescence emitted when a solution is illuminate..
The pKa of hydrochloric acid is about -6. On the basis of this information, would aqueous sodium chloride be sufficiently basic to deprotonate benzoic acid? Explain your reasongin.
In a haloform reaction with chloride, what reaction step is pertinent to the synthesis of molecular chloride?
Using the information below, calculate the mass of benzene in each phase and find the total mass of benzene at the site.
Small helium-neon lasers emit 4.62 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 400.0 Torr at 45.0 °C. Calculate the value of ?H°vap for this liquid.
Analysis shows that there are 1.8 moles of H2, 7.45e-05 moles of S2, and 7.2 moles of H2S present in a 50.8 L flask at equilibrium. Calculate the equilibrium constant Kc for the reaction.
Calculate the entropy change for each of the following reactions. Justify why these are physically reasonable answers.
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