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A gas undergoes a process that leads to a change in internal energy of 4.5 J, while simultaneously work in the amount of 17.6 J is performed by the gas at constant pressure. Calculate the change in enthalpy of this process.
A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 L.What volume would this gas occupy at 107°C and 0.789 atm?
Determine the pressure in a 14.6 L cylinder filled with 0.440mol of N2 gas at a temperature of 327K.
C7H6O3 + CH3OH --> C8H8O3 + H2O In an experiment 1.50 g of salicylic acid (C7H6O3) is reacted with 11.20 g of methanol (CH3OH).
Consider a cylinder filled with air with a piston and spring arrangement on top. The external pressure is 1 bar, the initial temperature of the air in the cylinder is 25 C.
A student prepared the Ni^2+ standar solution and obtained the following buret readings for solution #2, Calculate the concentration of Ni^2+ in the resulting solution.
What is the kinetic energy in joules of a 1183 motorcycle moving at 63.
Calculate the mass (grams) of KHP needed to react with 40. mL of 0.10 M NaOH. B. If 0.7528 g of KHP standard were titrated with NaOH and the endpoint was reached at 36.33 mL
For the following amino acids, indicate how they might interact to contribute to the tertiary or quaternary structure of a protein. choose from among the following: disulfide bond, salt bridge
What will be the final concentrations of NH3,N2, and H2 after equilibrium is established. I know the answers are suppose to be H2=.170M, NH3=.0424M, N2=.0568M, but I don't know how to get them.
In tables of thermodynamic data provided in chemistry books, one finds ?H°f, ?G°f, and S° listed. Briefly, explain why the entropy data are supplied as S°, while the enthalpy and free energy data are in the form of ?H°f and ?G°f, respectively.
Determine the fraction of N2 molecules traveling between 500 and 600 m/sec at room temperature
Producing ethanol as a biofuel from sugars in corn (glucose) has become a major industry in the grain belt. This process can be summarized as follows, where glucose to form ethanol and carbon dioxide. Use bond energies to estimate Delta E for this..
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