2.) In a cylinder of cross section 1 dm2, closed at one end, a tight-fitting piston encloses an air column of length 7 dm. We press the piston inwards until the force we are exerting on the piston reaches 400 N.
During the compression, the temperature of the gas does not change. The external air pressure is
105 Pa.
a) What
pressure
will we exert on the gas?
b) What will be the pressure of the gas then?
c) What will be the volume of the gas?​

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b. refraction c. diffraction d. interference

In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c