Sodium Fluoride is a common ingredient in toothpaste to prevent cavities. It was found that the new batch of NaF contained 12.25×1023 atoms. How many grams are in the new batch?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.