When silver nitrate (AgNO3) is heated strongly, it decomposes to form silver oxide (Ag2O), nitrogen dioxide (NO2), and oxygen gas (O2). The reaction can be represented as: 2 AgNO3(s) → 2 Ag(s) + 2 NO2(g) + O2(g). This process also releases gases, contributing to a change in volume and color due to the formation of brown nitrogen dioxide.
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