Answer:
The top number is the total mass number, particles in an atom of an element that have mass are protons and neutrons.
Explanation:
<span>When the gases dihydrogen sulfide and oxygen react, they form the gases sulfur dioxide and water vapor. so the balanced equation is
</span>2H2S(g) + 3O2(g) → 2SO2(g) + 2H2O(l)
hope it helps
If the temperature increases the pressure increases. If the temperature decreases the pressure decreases I hope this helped
