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A constant pressure calorimeter having a heat capacity of 74.2 kJ/K is used to measure the energy released from burning a compound in excess oxygen to form CO2(g) and H2O(l). If the enthalpy of combustion of the compound is -3748.0 kJ/mol and the temperature of the calorimeter rises from 25.12 C to 27.07 C, how many moles of the compound were oxidized
Assume that a reaction takes place at 296 K and 306 K. What must the activation energy be for the rate constant to double as described.
Determine the partial pressure of Ar, argon gas in the flask and A flask is filled with 1.20 of argon Ar gas at the temperature of twenty five degree Celsius.
Number of Moles and Conversion, a) Number of moles of carbon atoms in 0.585 moles C4H10
liquid octane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. suppose 74 grams of octane is mixed with 148 grams of oxygen
how much money would you spend on gas in one week if gas costs 1.10euros per liter and your car's gas mileage is 39.0mi/gal ? Assume that 1euro=$1.26 dollars.
What concentration of this base will produce a pH of 10.13?
in the titration of 25.00ml of 0.100M CH3COOH, calculate the number of milliliters of 0.200 M NaOH that must be added to reach a pH of a)3.85, b) 5.25,
If the wave functions describing the 2s and two of the 2p orbitals are combined, the identical orbitals form bond angles of what degree?
Calculate ΔG for this reaction under the following conditions (assume an uncertainty of 1 in all quantities, calculate all thermodynamic values from Appendix 4 for all parts of the problem).
The solvolysis of benzyl chloride proceeds via a carbocation intermediate and occurs more rapidly than the solvolysis of 2-chloro-norbornane and tertiary butyl chloride.
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
which of the following aqueous solutions will freeze at the lowest temperature? a. 0.10 m KCl, b. 0.20 m C6H12O6 (glucose), c. 0.050 m AlCl3, d. 0.15 m SrBr2, e. all of the above freeze at the same temperature
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