Rachel :)

Popular questions and responses by Rachel :)
  1. Chemistry

    The reaction of methane and water is one way to prepare hydrogen: CH4(g) + H2O(g) --> CO(g) + 3 H2(g) [Molar masses: 16.04 18.02 28.01 2.02] If you begin with 995 g of CH4 and 2510 g of water, what is the maximum possible yield of H2?

    asked on October 7, 2010
  2. calculus

    please help! Find the derivative of f when f(x) = 5 tan^-1 (e^-x) + 6e^x

    asked on February 12, 2010