What effect does nuclear radiation have on atoms

What can be the use of smoke transformed into liquid?

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?