Explanation:
D. The total mass of the reactants equals the total mass of the
products.
Answer:
SO3 2- which is sulfite
i have to put this because it doesnt let me send the answer like that :)
Here are some disadvantages, is that nitrogen dioxide is a toxic gas and it can still be harmful when ingested by human, also critics of hydrogen fuel cells argue that although these cells do not emit carbon after burning, they give out nitrogen dioxide and other emissions.
Hope this helps
Answer:

Explanation:
The quantity of heat transfered from the jellybean to the water is:



If a piece of charcoal is taken and set on fire it will evolve CO2 and heat. Charcoal is solid but carbon dioxide is gaseous. This is an example of change of state and evolve of heat during chemical reaction.