How many times greater is the rate of effusion of oxygen gas than that of carbon dioxide

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.