What volume, in liters, would 54.0 g of xenon tetrafluoride occupy at STP?

Matches the chemical name of each oxide of phosphorus to its chemical formula

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

What is the mass of 0.46 mil of mgcl2