19 An excess of calcium carbonate is added to dilute hydrochloric acid, X. The carbon dioxide gas given off is collected and its volume recorded at regular time intervals.
Line X on the graph shows the results obtained.
The experiment is repeated using dilute hydrochloric acid, Y.
Line Y on the graph shows the results obtained.

What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?

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?

Building glycogen from glucose molecules is an example of