Select the correct answer. How does adding oxygen (O2) to this reaction change the equilibrium?
2502(g) + O2(g) = 2503(8)

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.