Atrain travels 99 km in two hours and then 72 km in two hours what is it’s average speed

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

What is the overall order of reaction for rate = k[no]2[o2]

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?