If gas particles start colliding with the walls of their metallic container with increase force what is their direct effect

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

The reaction q+r2=r2q is found to be first order in r2 and