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  1. When scandium nitrate reacts with barium chloride, the following reaction occurs:
    Sc3+(aq) + 3 C-(aq) ScC3(s)
    What volume of ).200 M BaC2 is required to completely react with 45.00 m of 0.100 M Sc(NO3)3> Give your answer in milliliters.

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    ± w.xy E{± ab},
    and then press the Submit button (below).

    . E{}

  2. Consider neon in a sealed 100 liter stainless steel container at 27oC and 2 atm pressure. Neon becomes a liquid at -246oC
    1. If the temperature of the tank is increased to 600oC, the number of moles of Ne will be ? that at 27oC

    2. If the temperature in the tank is decreased to -19996oC, the average velocity of the neon atoms will be ? their average velocity at 27oC

    3. If the number of moles of neon in the tank is tripled the mole fraction of neon will be ? the original mole fraction of neon

      If the volume of the original contained is halved and the temperature is doubled (from 27oC to 54oC) the pressure will be ? 2 atmospheres

  3. One hundred liters of nitrogen react with 400 liters of hydrogen gas according to the equation
    N2(g) + 3 H2(g) 2NH3(g)
    How many liters of each gas at the same temperature and pressure are present after reaction is complete?
    1. Liters of ammonia =
    2. Liters of nitrogen
    3. Liters of hydrogen
  4. What is the temperature at which the density of methane at 727 mm Hg is 0.6193 grams/liter? (Give your answer in degrees centigrade)

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    ± w.xy E{± ab},
    and then press the Submit button (below).

    . E{}

  5. How many moles of a gas are there in 12.0 liter tank at 2.50 atm and 34o

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    ± w.xy E{± ab},
    and then press the Submit button (below).

    . E{}

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Query, are the (above) answers correct?



The last time this file was changed (edited) was Wednesday, July 19