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Given: 2 NOBr (g) yields 2NO (g) + Br2 (g)
At Equilibrium, the concentrations of NOBr = 0.10M and Br2 = 0.0050M . What is the Equilibrium constant for this reaction?
when x rays of wavelength 0.084 nm are diffracted by a metallic crystal the angle of first-order diffraction n 1 is
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
Radium-226 (atomic mass = 226.025402 ) decays to radon-224 (a radioactive gas) with a half-life of 1600 years. what colume of radon gas is produced by 25.0 g of radium in 5.0 days?
Raw milk sours in 4.0 hours at 28 degrees celcius but takes 48 hours to sour in a refrigerator at 5 degrees celcius. Calculate the activation energy for the souring of milk?
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2
The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)
Propose a structure for an amine of formula C4H9N, which liberates a gas when treated with NaNO2 and HCl. The 13C NMR spectrum is as follows
Complete and balance an equation describing each of the above reactions. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)
calculate the standard Molar Enthalpy Change for the reaction in the reaction endothermic or exothermic
Calculate O's aqueous solubility in surface waters of this lake. B.) Will the amount of O2 produced by photosynthesis cause O2's aqueous solubility to be exceeded in 1L of this lake water
Two beakers containings different buffer solutions of lactic acid/lactate (CH3CHOHCO2H/CH3CHOHCO2- or LacH/Lac-) and quinhydrone are prepared.
Cobalt Chloride in varying concentrations Spectrophotometer set to a Wavelength = 510 nm % Transmission = experiment #1 = 31.62, experiment #2 = 89.13 and experiment #3 = 98.86
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