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Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 8.8L to 4.3L at a constant external pressure of 46 atm
Suppose that you were to fill a 1L beaker with only 200 mL of water and it is not deep enough to make the water level inside and outside the graduated cylinder the same.
The equilibrium constant for a reaction at 25 degrees Celsius is 4.7*10^-8. What is the change in G
Calculate the standard enthalphy change for the following reaction.
A certain pesticide is fatal to fish fingerlings at a level of 0.5 parts per million in water. A leaking metal can containing 10.0 kg of the pesticide was dumped into a stream with a flow of 10.0 Liters per second moving at 0.7 km/hr.
Suppose that 0.92 of water condenses on a 85.0 block of iron that is initially at 22. If the heat released during condensation goes only to warming the iron block, what is the final temperature (in ) of the iron block? (Assume a constant enthalpy ..
When 2.00 mL of a 5.0 ppm Cu^2+ solution was added to the above Cu^2+ sample solution, the new absorbance was found to be 0.324 AU. What was the concentration of Cu^2+ in the original 10.0 mL solution
The amount of nitrogen in an organic substance can be determined by an analytical method, called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammoinia.
A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 12.00 mL sample taken from car battery. About 50 mL of water is added to the sample, and then it is titrated with 48.62 mL of a standard 0.6403 M NaOH solution
At a certain temperature, the solubility of cadmium fluoride, CdF2, is 0.162 mol/L. Calculate its solubility product constant for this temperature.
What observed rotation is expected when a 1.06 M solution of (R)-2-butanol is mixed with an equal volume of a 0.530 M solution of racemic 2-butanol,
Heat is lost to the styrofoam calorimeter. Assuming a 6.22 C temperature change for the reaction of HCl(aq) with NaOH(aq), calculate the heat loss to the inner 2.35-g styrofoam cup. The specific heat of styrofoam is 1.34 J/gC.
Determine the dominant configuration of energy for this system by identifying energy configurations and calculating the corresponding weights. What is the probability of observing the dominant configuration
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