What is the predicted major product when pyridine is treated with a mixture of nitric acid and sulfuric acid

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

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