Answer:
2As2S3 + 9O2 = 2As2O3 + 6SO2
Explanation:
The answer is force.
Hope this helps.
Chemical reactions that release energy will not occur without a source of energy. So the answer is release.
Depending on the balloon, the surface will cause friction between the two and oxygen molecules will fuse together to create a sticky sensation
The mass is conserved, so it stays the same, 450g