How many grams are there in 51.9 moles of F2 gas? (4 pts)
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When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device