Report each to three significant figures in scientific notation. Given this data for the decomposition of urea in an acidic solution, calculate each of the following assuming Arrhenius behavior.
At 61.0 °C, k is 0.713x10-5 min1-.
At 71.2 °C, k is 2.77x10-5 min1-.
a) determine the Arrhenius parameter Ea. _________kJ/mol