Is the graph helpful in explaining the decrease in carbon dioxide? Why or Why not?

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?

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2