A25 ml solution of h2so4 is completely nuetralized by 18 ml of 1.0 ml of 1.0 m naoh using phenolphthalein as an indicator. what is the concentration of the h2so4 solution?

What is the number of moles in 15.0 g ash3?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

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?