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← HistoryWhich outcome results when the proportion of sulfur increases beyond a critical threshold in early gunpowder formulations?
A)Reduced projectile muzzle velocity✓
B)Increased hygroscopic water absorption
C)Explosive shattering of bronze cannons
D)Accelerated decomposition of organic binders
💡 Explanation
Decreasing projectile speeds occurs due to sulfur acting as a moderator, reducing the deflagration rate. The sulfur undergoes Chemical Inhibition, slowing combustion propagation, because it reduces hot radical production, therefore muzzle velocity drops, rather than increasing cannon pressures or binder degradation.
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