What is the temperature after the volume increased from 1.0 ml to 1.3ml with the starting temperature of 295 k

Explanation for basic character?

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

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?