A steel cylinder contains 4.5 mol of Xenon gas at a pressure of 5 atm and a temperature of 77°C. What is the volume of the Xenon tank?

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?