A storage tank at STP contains 27.8 kg of nitrogen (N2). What is the volume of the tank?
What is the pressure if an additional 31.1 kg of nitrogen is added without changing the temperature?

Awalk up the phase change graph worksheet

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.