Answer:
Carbon or the symbol C has a mass percentage of 42.880% while Oxygen or symbol O has a mass percentage of 57.120%
Answer:
The right solution is "-602.69 KJ heat".
Explanation:
According to the question,
The 100.0 g of carbon dioxide:
= 
= 
We know that 16 moles of
formation associates with -11018 kJ of heat, then
0.8747 moles
formation associates with,
= 
= 
=
D is the answer I believe.
Answer:
C
Explanation:
You can see in the chemical equation that 7
are used up to produce 6