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At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings?
A reaction has delta Hrxn= -129KJ and delta Srxn= 317k/J.
If the pressure exerted by ozone, O3, in the stratosphere is 3.0 times 10^- 3 atm and the temperature is 254 K, how many ozone molecules are in a liter?
The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 560g/mol. What is the molecular formula of the compound?
How many grams of O2 gas would occupy a 400.0 liter container when the temperature is 300.0 K and the pressure is 2.20 atm?
What is the enthalpy change for the neutralization reaction of 1 mol of CsOH in kJ?
A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The Ka of butanoic acid is 1.5 x 10-5.
what is the concentration of sodium ions in the resulting solution?
Can complex compounds like dioxin and furan actually be thermally oxidized and destroyed?? At what temperature would these compounds actually be destroyed.
Explain how a calibration curve could be used to determine an unknown quantity
Assuming the solution's final volume is 150.0 mL, the density is 1.00 g/mL, and the specific heat is 4.184 J/(g C), calculate the heat of the reaction.
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant temperature
diamond crystallizes in a cubis cell with a+0.35670 nm and Z=8. Using 3.51 g/cm cubed as the density of diamond calculate te value of avagadro's number.
Compound A (C11H16O) has a band in the IR spectrum at 3450 cm%u20131 (strong, broad) and does not react with pyridinium chlorochromate (PCC) in CH2Cl2
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