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posted by  kk35 on 2/25/2008 1:43:16 PM  |  status: Live  

Balancing chemical equations...Help please.....

Course Textbook Chapter Problem
Organic Chemistry Hein N/A N/A
Question Details:
Balance the chemical equations below by entering the correct coefficient.  Leave blank empty if the coefficient should be one.
 
_____CuO(s) + ____H2(g) -------> ______ Cu(s) + _____H2O(l)
 
____B4C3(s) + _____CO2(g) -----> _____B2O3(s) + ____C(s)
 
___CaSO4(s) + ____NaBr(s) ------> ____CaBr(s) + _____Br2(l) + ___Na2SO4(s)
 
___C2H5OH(l) + ___O2(g)------> ____CO2(g) + _____H2O(l)
 
___NH3(g) + ____O2(g)------> ____NO(g) + ____H2O(g)
 
____CuSO4(s) + _____KI(s)-----> _____CuI(s) + _____I2(s) + ____K2SO4(s)
 
Thank you so much for your help.
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posted by elpidi on 2/25/2008 2:23:54 PM  |  status: Live
Asker's Rating: Lifesaver   
kk35's comment:
"Thank you!"
Response Details:
(1)      1      1      1      1    (Already balanced)
 
(2)      1      3      2      6
 
(3)      2      4      2      1      2
 
(4)      1      3      2      3
 
(5)      4      5      4      6
 
(6)      2      4      2      1      2
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posted by cadam20 on 2/25/2008 2:29:11 PM  |  status: Live
Asker's Rating: Helpful   
kk35's comment:
"Thank you!"
Response Details:
_1____CuO(s) + __1__H2(g) -------> ___1___ Cu(s) + ___1__H2O(l)
 
__1__B4C3(s) + __3___CO2(g) -----> __2___B2O3(s) + __6__C(s)
 
__2_CaSO4(s) + __4__NaBr(s) ------> __2__CaBr(s) + __1___Br2(l) + _2__Na2SO4(s)
 
__1_C2H5OH(l) + _3__O2(g)------> __2__CO2(g) + ___3__H2O(l)
 
_4__NH3(g) + __5__O2(g)------> ___4_NO(g) + __6__H2O(g)
 
__2__CuSO4(s) + __4___KI(s)-----> ___2__CuI(s) + ___1__I2(s) + __2__K2SO4(s)
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