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Calculate the volume change (in Liters) during the oxidation of sulfur dioxide in which ?E = -849.700 kJ and ?H = -852.373 kJ at a constant pressure of exactly one atm and constant temperature
Write the structural formula and name of the organic product for the following reaction between an alkyne and an alkyl halide.
Assuming gasoline is 89.0% isooctane, with a density of 0.692 g/mL, what is the theoretical yield (in grams) of CO2 produced by the combustion of 1.56 x 1010 gallons of gasoline
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of NH_3 to NO: 4NH_3 + 5O_2 yields 4NO +6H_2O In a certain experiment
Based on the steps occurring in an acid-base reaction, which definition of acids and bases is most practical
For benzene(C6H6), AE=30 and NE=38. Explain how the eight-electron deficiency is eliminated by the structure of the molecule.
Kc=4.6*10-3 for the reaction below at 25 celsius. evaluate Kp at 25 celsius N2)4(g)---->2NO2(g)
For the following reaction at equilibrium at 445 celsius the partial ressures were found to be ; [H2] = 0.45 atm, [I2] =0.10 atm and [Hi]=1.53 atm. calculate Kp for this reactino H2(g)+I2(g)---->
After a disturbance, the system regains equilibrium with a total pressure of 2.0atm. What is the partial pressure of A at the new equilibrium
Calculate the activation energy of a reaction if the rate constant is 0.75 s 1at25 Celsius and 11.5 s 1at 75 celsius. (the universal gas constant is 8.314J/mol K)
The rate constant for the first order reaction below is K=3.3*10 -2 min -1 at 57 Kelvin. what is the half life for this reaction at 57 Kelvin
Calculate the molecular weight of a polymer if a 100 mL solution of 6.5 grams of the polymer in toluene has an osmotic pressure of 0.044 atm at 27 celsius
The initial temperature of the cold water was 21.00C and of the hot water, 29.15C. The maximum temperature of the mixture was found to be 24.81C. Assume the density of water is 1.0g/ml and the speci
calculate the osmotic pressure associated with 50.0 grams of an enzyme of molecular weight 98,000 g/mol dissolved in 2600 mL of benzene at 30 celsius
Calculate the pH of a 2.96 M solution of 2,4,6-trimethylpyridine. The Kb of 2,4,6-trimethylpyridine is 2.7x10-7
Calculate pCd2 at each of the following points in the titration of 45.00 mL of 0.0070 M Cd2 with 0.0070 M EDTA in the presence of the auxiliary complexing agent NH3.
A solution is made by mixing 52.1 grams of propul chloride, C3H7Cl, and 38.4 grams of propyl bromide, C3H7Br. what is the vapor pressure of propyl chloride in the solution at 25 celsius
Give the structure of the major and minor organic products formed when HBr reacts with (E)-4,4-dimethyl-2-pentene in the presence of peroxides.
Determine the vapor pressure lowering, at 27 Celsius, of a solution of 75.0 grams of sucrose, C12H22O11, dissolved in 180 grams of water. the vapor pressure of pure water at 27 celsius is 26.7 torr.
what is the mole fraction of ethanol, C2H5OH, in a solution of 47.5 grams of C2H5OH in 85 grams of water
what mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepar a 0.0500 molal solution of ethanol
predict the vernier angle based on the following best-fit line equation: y = 0.0126x + 25.68? y is for vernier angle and x is for wavelength in nm. Estimate to the nearest whole number.
Bohr's model is used to treat emission lines of hydrogen lamp. It may also be used to study emission lines in mercury lamp or krypton lamp, the other two lamps that are used in this lab.
The Kb of 2,4,6-trimethylpyridine is 2.7x10-7 I've really been struggling with this stuff because i've been out of school sick, if there is any way that the steps can be shown in a more broad spectr
Ionization energy of hydrogen atom is the energy required to remove this lone electron from a hydrogen atom. It effectively is the same as moving the electron from