Which symbol can be used to indicate a chemical reaction that takes place in the presence of a catalyst?

What elements have 2 electrons inthe 4s sublevel

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

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