# 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)

99% (417 ratings) ###### 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)

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Balancing Chemical Equations concept. You can view video lessons to learn Balancing Chemical Equations. Or if you need more Balancing Chemical Equations practice, you can also practice Balancing Chemical Equations practice problems.

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Based on our data, we think this problem is relevant for Professor Scholefield's class at SMC.