# Problem: Balance the following equations.a.  ___ C3H8O(l) + ____ O2(g) → ________ CO2(g) + ________ H2O(l)b. _____ PH3(g) + ____ O2(g) → _______ P4O10(s) + _______ H2O(g)c. ____ B2O3(s) + _____ HF(l) → _______ BF3(g) + _________ H2O(l)d) ____Cu2O(s) + ______O2(g) → ______CuO(s)e) ___CaCl2(aq) + ____K2CO3(aq) → ___ KCl(aq) + ____CaCO3(aq)f) ___ MgO(s) + ___ Fe(s) → ___ Fe2O3(s) + ___ Mg(s)

###### FREE Expert Solution

To balance chemical equations → the number of elements on both sides is equal.

(a).  ___ C3H8O(l) + ____ O2(g) → ________ CO2(g) + ________ H2O(l)

The balanced chemical equation is:

2 C3H8O(l) + 9 O2(g)6 CO2(g) +  8 H2O(l)

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###### Problem Details

Balance the following equations.

a.  ___ C3H8O(l) + ____ O2(g) → ________ CO2(g) + ________ H2O(l)

b. _____ PH3(g) + ____ O2(g) → _______ P4O10(s) + _______ H2O(g)

c. ____ B2O3(s) + _____ HF(l) → _______ BF3(g) + _________ H2O(l)

d) ____Cu2O(s) + ______O2(g) → ______CuO(s)

e) ___CaCl2(aq) + ____K2CO3(aq) → ___ KCl(aq) + ____CaCO3(aq)

f) ___ MgO(s) + ___ Fe(s) → ___ Fe2O3(s) + ___ Mg(s)