Sediment to form sedimentary rock. a) melts b) weathers c) crystallizes d) comapcts and is cemented answer asap i am being timed.

Which compound contain an iron with a 3+ charge

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?

Once similarity and one difference between a mixture of elements and a mixture of compounds