As water is vaporized by boiling, it’s temperature a- decreases b-increases c-remains the samedue soon

Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump