¿Aproximadamente para que año Aristóteles mencionó la teoría de los 4 elementos?

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Determine the reaction and balance the following equations urgent due in the morning