If 75.2 g of potassium chloride are reacted with excess oxygen to produce potassium chlorate, what is the theoretical yield?

What’s the scientific notation for the number 6,840,000,000

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

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