Calculate how many moles of NO2 form when each quantity of reactant completely reacts via the following reaction:
2N2O5(g)→4NO2(g)+O2(g)

2.73 kg N2O5
Express your answer using three significant figures.

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

What is the value of keq for the reaction expressed in scientific notation?

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent