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Determine w if one mole of an ideal gas primarily at 200 K and 10.0atm is allowed to expand at constant temperature against a constant pressure of 4.0atm until the gas pressure is 4.0 atm.An isothermal expansion means? T = 0, therefore? U = 0
A solution contining AgNO3 is mixed with a solution of NaCl to form a solution that is 0.10 M in AgNO3 and 0.075 M NaCl. What will happen once these solutions are mixed? Ksp(AgCl) = 1.77×10-10.
The equilibrium constant for the reaction N2(g) + 3H2(g) = 2NH3(g) is Kp=4.34x10^-3 at 300*C. Pure NH3 is placed in a 1.00 L flask and allowed to reach equilibrium at this tempurature. There are 1.09 g NH3 in the equilibrium mixture.
Determine the mass of silver chloride is produced from 75.0 grams silver nitrate
What is the selenide ion concentration [Se2-] for a 0.100 M H2Se solution that has the stepwise dissociation constants of Ka1 = 1.3 x 10-4 and Ka2 = 1.0 x 10-11
A voltaic cell consists of a Hg/Hg2^2+ electrode(E degrees=0.85V) and a Sn/Sn^2+ electrode(E degrees=-0.14V). Calculate[Sn^2+]if [Hg2^2+]=0.36 M and Ecell=1.04V at 25 degrees C.
Steam is condensed at 100 °C and the water is cooled to 0 °C and frozen to ice. What is the molar entropy change of the water
A balloon ?lled with helium gas has a volume of 434 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
What is the half-life? b) How long would it take for the concentration of CH3CN to decrease to 25% of its initial value? c) To 12.5% of its initial value?
2.86 g of a mixture of butene c4h8 and butane c4h10 is burned in excess o2 to give 8.8g co2 and 4.14g of h2o. what are
if the oven uses microwave radiation of wavelength 12.2 cm how many photons of this radiation are required to heat 1.28
if a 10. m3 volume of air acting as an ideal gas is at a pressure of 760 mm and a temperature of 27 degrees celsius is
aspartame c14h18n2o5 is a solid used as an artificial sweetener. its combustion produces carbon dioxide gas liquid
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