Mrs. Hill put 50g of sugar in water and watched the sugar dissolve. She then boiled the sugar water in a pan until it evaporated and the sugar was left at the bottom of the pan.
How much sugar was left?

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

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