How much work is required to pull a sled if you use 60J of work in 5 seconds?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer