How many moles are in 153 grams of O2?

5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?

Stage in which a star’s outer layers have started to cool and grow outward?

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon