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A container is filled with 4.0 X 10^22 O2 molecules at 5 degrees C and 845 mmHg. What is the volume, in mL, of the container?
A tank contains N2 at 1.0 atm and O2 at 2.0 atm. Helium is added to this tank until the total pressure is 6.0 atm. What is the partial pressure of the helium?
if an athlete expends 1850KJ/h (kilojoules per hour), how long does he have to exercise to work off 1.0lb of body fat?
Octane (C8H18) undergoes combustion according to the following thermochemical equation: 2C8H18(l) + 25O2(g) ? 16CO2(g) + 18H2O(l) ?H°rxn = -11,020 kJ/mol. Given that ?H°f[CO2(g)] = -393.5 kJ/mol
Determine the amount of heat energy lost by the same amount (40.0 g) sample of water (specific heat = 4.184 J/goC) and same temperature change.
A sample of MgCl2 is known to be contaminated with NaCl. A 3.47-g portion of the sample is dissolved in water and treated with an excess of AgNO3 solution.
Would you expect Cobalt(III) Acetylacetonate to be a diamagnetic or paramagnetic compound
Using your knowledge of hydroboration/oxidation mechanism, predict major and minor products
What is the ratio of ground state energy of atomic hydrogen
what is the pH of a solution prepared by mixing 25 mL of 0.10 M methylamine with 25 mL of 0.10 M methylammonium chloride?assume that the volume of the solutions are additive and that Kb = 3.7 x 10^-4 for methylamine
What is delta G for this reaction at 298 K when the partial pressures are PC2H6 0.15 atm, PH2 0.15 atm, and PCH4 0.75, What is the delta G in kJ/mol?
a)the anode b)the cathode c)the half reaction at the anode d)the half reaction at the cathode e)the overall reaction f)the shorthand cell notation
In an experiment, 2.50 g salicycylic acid was reacted with excess acetic anhydride to synthesize aspirin, as shown below.
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