1.14 A sample of methane of mass 4.50 g occupies 12.7 dm3 at 310 K. Calculate the work done when the gas expands (a) isobarically against
a constant external pressure of 30.0 kPa until its volume has increased
by 3.3 dm3, and (b) isothermally by 3.3 dm3.

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?