When 4.55 g of O2 and 16.3 grams of Mg react, how many grams of MgO will be formed? 2 Mg + 1 O2 --> 2 MgO

What happens to the atomic radius when an elctron is lost

What is the polyatamic ion of thiosulfate

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