A gas storage cylinder in an ordinary chemical laboratory measures 2.1 cm wide and 8.4 cm high with this label on it:

Contents: N2 Gas
Pressure 15.6 atm

If the cylinder is opened and the gas allowed to escape into a large empty plastic bag, what will be the final volume of nitrogen gas, including what’s collected in the plastic bag and what’s left over in the cylinder? Write your answer in liters.

Distinguish between a transverse wave and a longitudinal wave.

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic