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When 1 mol of a fuel is burned at constant pressure, it produces 3455 kJ of heat and does 10 kJ of work.
What is the value of delta H for the combustion of the fuel?
The p-dinitrobenzene radical anion can be prepared by reduction of p-dinitrobenzene. The radical anion has two equivalent N nuclei (I=1) and four equivalent protons. Predict the form of the EPR spectrum using a(N)=0.148 mT and a(H) = 0.112 mT.
The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar.
If the Ea for a reaction is 72.8kJ, and if the rate constant at 15C is 1.00*10^-4 L/mole*sec, then what is the value of the rate constant at 75C
a sample of a mixture of cac2o4 and mgc2o4 was dissolved in about 100 ml of aqueous acid. one half of the solution was
Consider a reaction in which two reactants make one product (for example, consider the unbalanced equation A + B = C). You know the following: 2.0 moles of A (with an excess of B) can make a maxiumum of 2.0 moles of C
Calculate the molarity of hydrogen peroxide if 28.75 mL of hydrogen peroxide produced 695 mL of oxygen gas at 0.950 atm and 315 K?
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a styrofoam cup the initial temperature pf the cold water was 21.00 degrees celcius and of the hot ..
what is the energy of the alpha particle that decays to the first excited state? You may neglect both relativistic effects and the recoil of the daughter
draw the lawis structure and structural formulas for ccl3f. sketch the space-filing model and the charge-density model
Predict the moles of ammonia that can be made using 22.4g of nitrogen and an unlimited amount of hydrogen
Calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is held constant
calculate the mass percent of a solution in which 176 of is dissolved in 3.08 of water at 25 density 0.997
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