Which outcome accompanies rapid heating of confined gunpowder?

💡 Explanation

Initiation of a gunpowder explosion causes deflagration, because rapid heating decomposes unstable nitrates into gas molecules; therefore extreme pressure is generated rather than soot, soil enrichment, or cooling.

• Which risk increases near blast furnaces when early cast iron contains excess sulfur?
• Which consequence occurs during periods of high winds on historical Viking longships relying on plant-fiber ropes?
• During celestial navigation with an 18th-century sextant on a rolling ship, which consequence results from temporarily unleveling the instrument during a sight?
• Which consequence arose when medieval ramparts incorporated unslaked lime mortars?
• Which outcome reduces water erosion when mountain terraces experience destabilization?
• Which material degradation was enhanced surrounding high-altitude mosaic tesserae by intense light?