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A gas expands in volume from 35.2 mL to 82.7 mL at constant temperature. Calculate the work done (in joules) if the gas expands against a constant pressure of 4.0 atm.
State whether you expect the following molecules to be polar or non-polar and arrange the molecules in increasing order of dipole moment.
What would be the potential of the Cu-Zn cell be if the concentration of Cu2+ was 1.00M while the concentration of Zn2+ was 0.60M
Calculate the average O-F bond energy given the following average bond energies: O=O 498 kJ/mol F-F 159 kJ/mol
question calculate the sodium ion concentration when 70.0ml of 3.0m sodium carbonate is added to 30.0ml of 1.0m sodium
A TLC plate showed two spots with Rf values of 0.25 and 0.26. The plate was removed from the developing chamber, the residual solvent was allowed to evaporate from the plate, and then the plate was returned to the developing chamber
B2H6 + 3O2= B2O3+3H2O ;DELTA H=-2035KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?
A sample containing 2.20 moles of neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant. What is the new volume of gas in liters when a sample of 70.0 g neon is added to the neon gas already in the container..
Compute mass of Carbon dioxide formed from the decomposition of 59.0 grams of NaHCO 3 ?
Using the information below, what is the most stable form of sulfur at 298K and 1atm? (no calculations needed) S(rhomic): V=0.016, delta H formation=0, delta G formation=0, Standard molar S=31.8, standard molar Cp=22.64 S(monoclinic)
What is the equilibrium constant for the following reaction CO(g) + 2 H2(g) ↔ CH3OH(l); [CO] = 0.788 M and [H2] = 0.872 M?
7.0and 1.00atm pressure what will the volume be if the preassure is increased at 50.0atm
Calculate the initial effusion rate. If this rate continued how much time would pass until the pressure dropped to 0.90 bar? (actually the rate changes with pressure- indicated why using the equations). assume values for nitrogen
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