Joseph has $1200 to invest at 6% annual interest compounded monthly. H..
Joseph has $1200 to invest at 6% annual interest compounded monthly. How long will it take for his investment to grow to $5000? => 22 years, 11 months or 23 years, 11 months or 24 years, 9 months or 21 years, 7 months..
Compounds of Nitrogen
Discovery of Ammonia - Joseph Priestley first prepared ammonia in 1775 by heating Sal ammoniac (ammonium chloride) with slaked lime. Due to its basic nature, he called it alkaline air. In 1785, Comte Claude-Louis Berthollet determined the chemical composition of ammoni..
Law of Constant Proportion
Another French chemist, Joseph Proust, stated this law as 'A chemical compound always contains same elements combined together in the same proportion by mass'. For example, pure water obtained from different sources such as river, well, spring, sea, etc., always conta..
Ammonia
Ammonia was known to mankind since a long period, as it was produced in nature by putrefying and ammonifying bacteria. Chemical compound, NH 3 colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor. Am..
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