1.4 mole sample of am ideal gas at initial volume 34 L is allowed to expand at a constant temp of 280k. The gas performs 1.7KJ of work on its container. what is the final volume of the gas? Let the ideal gas constant r=8.314j/( mol x K)

Which statement correctly describes the relationship between frequency and wavelength?

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)

If anyone who can me with this hw? i would really appreciate it