Question

KNO3 => O2 => CO2 => H2CO3

Answer 1

Решение во вложении на фото

Answer 2

It seems like you've provided a sequence of chemical reactions. Let me break down what each of these reactions represents:

1. KNO3: This is the chemical formula for potassium nitrate, also known as saltpeter. It's a compound often used in fertilizers, food preservation, and fireworks.

2. KNO3 → O2: This reaction appears to be incomplete, as it doesn't specify the conditions or reactants involved. However, the arrow suggests that potassium nitrate (KNO3) is breaking down into oxygen gas (O2).

3. O2 → CO2: This reaction indicates the combustion of oxygen gas to produce carbon dioxide gas (CO2). Combustion is a chemical reaction where a substance reacts with oxygen, often producing heat and light.

4. CO2 → H2CO3: This reaction shows the dissolution of carbon dioxide (CO2) in water, forming carbonic acid (H2CO3). Carbonic acid is a weak acid that forms when carbon dioxide reacts with water.

It's worth noting that each of these reactions represents a simplified chemical process. In actual reactions, there might be specific reaction conditions, catalysts, and other reactants involved. If you have a specific context or question related to these reactions, feel free to ask!