What state has the highest average speed limit on rural freeways

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

The element that has the greatest electronegativity is

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2