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a) Briefly, review the logic that turns the observation that the absolute zero of temperature is unattainable into the assertion that the entropy of all materials is zero at the absolute zero temperature.
b) What data would be required to determine the absolute entropy of O2 at STP? After the data is acquired what calculations would be necessary to get the result?
CO2 + H2 --> CO + H2O (all are gaseous) At equilibrium the container is found to contain 0.0883 M CO2. What is the equilibrium constant, Kc, for the reaction
hydrochloric acid for neutralization. A 12.0mL volume of a phosphoric acid solution requires 35.1mL of the sodium hydroxide solution for complete neutralization.
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
At equilibrium 1.97e-02 mol of NOCl is found in the reaction mixture. Calculate the equilibrium pressures of all gases in the reaction vessel and the value of KP for the reaction. Pick the correct statement from the multiple choices. Use the value..
Atmospheric pressure at the top of Mt. Whitney in California is 440mmHg. How many atmospheres is this and how many pascals is this
A 24.0 g sample of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of 3.85 g NH3. What is the percent yield for this reaction? Reaction: N2(g) + 3 H2(g) ? 2 NH3(g)
-Use Coulomb's law to calculate the ionization energy in of an atom composed of a proton and an electron separated by 234.00pm -What wavelength of light would have sufficient energy to ionize the atom
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
Calculate the kinetic energy of a K atom in the beam? b) Assuming that the molecules in the beam move one dimensionaly, what is the temperature of the beam?
In the second step of the wrinkler method, the Mn(OH)3 is acidified to give Mn3+ and iodide ion is added. Does Mn3+ spontaneously oxidize I-? Write the balanced chemical euqtion for its reaction with I- and use the standart electrode potentials to..
Two organic species are produced when 1,1-dimethylethylmagnesium bromide reacts with 1-pentyne (a) Draw the skeletal structure of the new Grignard produced
Calculate the amount of heat required to heat a 3.6 kg gold bar from 25 C to 64 C. Specific heat capacity of gold is 0.128 j/g C.
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