(26 kJ/mol) / (44 g/mol) * 1.1 g/cm^3 * 4/3 * pi * (10 cm)^3 / (0.033 W/(m * K) * (194.7 K - 303.15 K) * 4 * pi) * (1/ (15 cm) - 1/ (10 cm))

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.