Can someone help with this problem?

0 ⤊

Can someone help with this problem?

A 10.0-g sample of a mixture of CH4 and C2H4 reacts with oxygen at 25.0oC and 1.00 atm to produce CO2(g) and H2O(l). If the reaction produces 527 kJ of heat, what is the mass percentage of CH4 in the mixture?

2007-10-17 18:24:04 · 1 answers · asked by Joe C. 1 in Science & Mathematics ➔ Chemistry

1 answers

http://answers.yahoo.com/question/index;_ylt=ApkTAFxcz9UmjynU0_3C4SLty6IX;_ylv=3?qid=20071017141043AAPTRIm&show=7#profile-info-SH7FJrUIaa

2007-10-18 20:00:31 · answer #1 · answered by Hahaha 7 · 0⤊ 0⤋