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  1. What are your abbreviations? is the K = kg or Kelvin? what is the "o"? C is Calorie or Celsius? It takes more energy...

    1 Answers · Science & Mathematics · 06/10/2013

  2. delta n = 2 - 2 - 1 = -1 T = 298 K 1.42 x 10^3 = Kc ( RT)^delta n = Kc ( 0.08206 x 298)^-1 = Kc x 0.0409 Kc = 3.47 x 10^4

    2 Answers · Science & Mathematics · 05/10/2010

  3. X + H2O ---> XOH + H2 Where X = Li, Na, K, Rb, Cs or Fr (although Fr is usually not included in such a request as yours)

    2 Answers · Science & Mathematics · 21/10/2011

  4. delta n = 2 - 2 - 1 = -1 Kp = Kc ( 0.08206 x 298 K)^-1 = Kc x 0.0409 Kc = 2.00 x 10^3 / 0.0409=4.89 x 10^4

    2 Answers · Science & Mathematics · 05/03/2010

  5. initial concentration HI = 2.00/ 1.00 = 2.00 M at equilibrium [HI]= 2.00 x 20 / 100 = 0.400 M [H2] = [I2] = 0.400/2 = 0.200 M K = (0.200)^2 / (0.400)^2 = 0.25

    1 Answers · Science & Mathematics · 17/02/2009

  6. K = C + 273.15 so... C = K - 273.15 C = -101.15 Written with attention to significant figures would be -101C

    5 Answers · Science & Mathematics · 07/09/2007

  7. ... rate = k[B]^1/2 [C]^2 different rate = k[2B]^1/2 [C]^2 = k 2^1/2 [B]^1/2 [C]^2 if you divide different rate by initial rate, you...

    1 Answers · Science & Mathematics · 06/02/2009

  8. Kc = [NO2]^2/[N2O4] = 4.63 x 10^-3 The "following reaction" should be 2NO2 ===> N2O4 K'c = [N2O4]/[NO2]^2 = 2.16 x 10^2 answer B.

    1 Answers · Science & Mathematics · 23/06/2012

  9. K, Rb, Cs because they're all in the same group (column)

    1 Answers · Science & Mathematics · 29/05/2009

  10. ...this group from smallest to largest is: Li, Na, K, Rb, Cs. These trends that you can see in your periodic table ...

    2 Answers · Science & Mathematics · 19/12/2009

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