Balance the redox eqn.

Zn(s) + KNO3(aq) → NH3(aq) + K2Zn(OH)4 (basic)

How much energy is made when a pice of wood burns. how do you know

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

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?