I worked this problem for you before.
http://www.jiskha.com/display.cgi?id=1268083526
If 15.0 kJ are released when 1.40 g of F2 reacts with an excess of SiH4, complete the thermochemical equation below.
SiH4(g) + 2 F2(g) SiF4(g) + 4 HF(g)
ÄHrxn = ?kJ
1 answer
2 answers