Hey I have two pages for this lab. I can only upload one. I will send the other page when someone try to help me to do this lab. I really need help pleaseI am failing chemistry

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Light waves can move through , but they travel fastest when they move through a(n) .

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.