For the unbalanced equation, what is the coefficient for o2? ? c5h10 (l)+? o2 (g)→? co2 (g)+? h2o(g) a. 5 b. 10 c. 15 d. 6 e. 1

Why is permeable soil best for plants that need a lot of drainage?

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

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg