Friday
November 28, 2014

Posts by vvvvvv


Total # Posts: 2

Chemistry
In an experiment liquid hexane, C6H14 (l) is combusted completely to produce CO2(g) and H2O (l) according to the equation: 2 C6H14 (l) + 19 O2(g) -> 12 CO2(g) + 14H2O (l) The change in H degrees for the reaction is -8.39 x 10^3 KJ. Calculate change in H degrees for C6H14 (l).
November 29, 2010

math
For every girl taking classes at the martial arts school, there are 3 boys who are taking classes at the school. If there are 236 students taking classes, write and solve a proportion to predict the number of boys taking classes at the school.
October 27, 2010

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