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None of the desired ether was obtained. What product was formed and why did this route to the ether fail? Suggest a different substitution reaction that should yield the desired product.
A sample of a gas weighs 2.006 g and has a volume of 1060.0 mL at 795.0 torr and 32.0 degrees Celsius. What is its molar mass?
A mixture of 0.146 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure o
If the concentration of Mg2+ ion in seawater is 1350 mg/L, what OH- concentration is required to precipitate Mg(OH)2
Calculate the concentrations of the nonionized acid (HA) and of the ions of a 0.100 M formic acid (HCO2H) solution at equilibrium, and calculate % ionization.
Calculate the work in Joules when 2.5 mols of water vaporizes at 1 atmosphere pressure and 25 degrees C. The work is done in pushing back the atmosphere.
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done b
Arrange the following reactions according to increasing change of entropy values. A. CH4(g) + H2O (g) = CO(g) + 3H2(g) B. C(s) + O2(g) = CO2 (g) C. H2O2(liquid) = H2O(liquid) + 1/2 O2 (g)
Determine the change in entropy for the following reaction: SO3(g) + H2O(liquid) = H2SO4(liquid) Given:The following values of Standard Entropy at 25 deg C: SO3 = 256.2 Joules/K mol H2O = 69.9 Joule
From the following data, calculate the delta G for the reaction at 25 degrees C. delta H = -199 kJ/mol delta S = -4.1 Joule/Kelvin - mol these are the Standard values of formation at 25 deg C.
Hydrogen peroxide H2O2 decomposes according to the equation: H2O2(liquid) = H2O (liquid) + 1/2O2 (g) From the following data, calculate the value of delta G for this reaction at 25 degrees C for a
determine the temperature at which the reaction will become spontaneous. See the section on Free Energy and spontaneity in our book. You will also find Appendix C very helpful as well. The delta H f
Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) = Na2CO3(s) + CO2(gas) + H2O(gas) Given that for this reaction delta H = 135.5 KiloJoules and delta G = 33.1 KiloJoules at 25 d
For the decomposition of sodium bromide: NaBr = Na(s) + 1/2Br2(liquid) the change in Gibbs Free Energy (delta G) is 349 KiloJoules What is the free energy of formation of NaBr(solid)?
Working on a lab report and need to answer the question: why would any insoluble hydroxide tend to dissolve in acidic solution?
Population ratio between two energy levels is 0.98. The space between the energy level is 0.625 meV. What is the system's temperature?
Draw the structure of the product that would be formed from allowing a-e to react with excess hydrogen gas in the presence of a nickel catalyst.
Draw the structure of the product that results from the reaction of excess hydrogen gas in the presence of a nickel catalyst:
Formic acid, HFor, has a Ka value equal to about 1.8x10-4. A student is asked to prepare a buffer having a pH of 3.40 from a .10M HFor and a .10M NaFor solution. How many milliliters of the NaFor so
how can we calculate the weight of CaCO3 per 10^6 ml unknown sample.the weight of CaCO3 per 25 ml of unknown sample is 5.71*10^-3
Draw and label the Crystal Field splitting diagram for the 3d atomic orbitals in an octahedral field
Complete combustion of 4.80 g of a hydrocarbon produced 14.7 g of CO2 and 7.02 g of H2O. What is the empirical formula for the hydrocarbon?
Observe while adding 0.5 mL of 6M HCl to 1 mL samples of the anion solutions and then add 5 drops of 0.1M barium nitrate and observe again.
The following reaction is not spontaneous at any temperature. Which applies to the system at 298 K? 2C(s) + 3H2(g) --> C2H6(g)
A concentration of the pollutant NO2 in air of 3.00 ppm (m/v) may be lethal to humans. Will air that contains 1.9 x 10^-3g at NO2 per liter be lethal to humans?