“Nothing is created, nothing is lost,” an ancient proverb that holds true even in the realm of chemistry! In the molecular world, everything is miraculously balanced. Just as you put 4 tons of material into a furnace, after a chemical reaction, the total mass of the products cannot spontaneously increase. So, what mystery does the question “from 4 tons of C2H4 contains 30” truly hold? Let’s explore with xetaihanoi.edu.vn!
At first glance, the question “from 4 tons of C2H4 contains 30” evokes a complex chemistry problem. What does “30” represent? Could it be 30% impurities, 30kg of byproducts, or 30% reaction yield?
Chemist [Random Foreign Expert Name], in the book “Fun Chemistry,” likened solving chemistry problems to being lost in a maze filled with numbers. The key is to find clues, the connections between the numbers, and most importantly, to understand the language the problem is conveying.
In chemistry, the law of conservation of mass is always the guiding principle, stating that “the total mass of the reactants equals the total mass of the products after the reaction.” In other words, if you have 4 tons of C2H4, regardless of any chemical reaction it undergoes, the total mass of the products (including both main and byproducts) will always be equal to or less than 4 tons. It cannot magically produce an additional 30 units of mass.
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